OPA 27 OPA 27 OPA27 OPA37 SBOS135C - JANUARY 1984 - REVISED AUGUST 2005 Ultra-Low Noise, Precision OPERATIONAL AMPLIFIERS DESCRIPTION FEATURES LOW NOISE: 4.5nV/Hz max at 1kHz LOW OFFSET: 100V max LOW DRIFT: 0.4V/C HIGH OPEN-LOOP GAIN: 117dB min HIGH COMMON-MODE REJECTION: 100dB min HIGH POWER-SUPPLY REJECTION: 94dB min FITS OP-07, OP-05, AD510, AND AD517 SOCKETS APPLICATIONS PRECISION INSTRUMENTATION DATA ACQUISITION TEST EQUIPMENT PROFESSIONAL AUDIO EQUIPMENT TRANSDUCER AMPLIFIERS RADIATION HARD EQUIPMENT The OPA27 and OPA37 are ultra-low noise, high-precision monolithic operational amplifiers. Laser-trimmed thin-film resistors provide excellent long-term voltage offset stability and allow superior voltage offset compared to common zener-zap techniques. A unique bias current cancellation circuit allows bias and offset current specifications to be met over the full -40C to +85C temperature range. The OPA27 is internally compensated for unity-gain stability. The decompensated OPA37 requires a closed-loop gain 5. The Texas Instruments' OPA27 and OPA37 are improved replacements for the industry-standard OP-27 and OP-37. 7 +VCC 8 Trim 1 Trim 6 Output 2 -In 3 +In 4 -VCC Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners. Copyright (c) 1984-2005, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. www.ti.com ABSOLUTE MAXIMUM RATINGS(1) Supply Voltage ................................................................................... 22V Internal Power Dissipation (2) ....................................................... 500mW Input Voltage ..................................................................................... VCC Output Short-Circuit Duration (3) ................................................. Indefinite Differential Input Voltage (4) ............................................................. 0.7V Differential Input Current (4) ........................................................... 25mA Storage Temperature Range .......................................... -55C to +125C Operating Temperature Range ......................................... -40C to +85C Lead Temperature: P (soldering, 10s) ....................................................................... +300C U (soldering, 3s) ......................................................................... +260C NOTES: (1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. (2) Maximum package power dissipation versus ambient temperature. (2) To common with VCC = 15V. (4) The inputs are protected by back-to-back diodes. Current limiting resistors are not used in order to achieve low noise. If differential input voltage exceeds 0.7V, the input current should be limited to 25mA. ELECTROSTATIC DISCHARGE SENSITIVITY This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. PIN CONFIGURATION Top View PACKAGE/ORDERING INFORMATION(1) PRODUCT PACKAGE-LEAD JA PACKAGE DRAWING PACKAGE MARKING OPA27 OPA27 DIP-8 SO-8 100C/W 160C/W P D OPA27GP OPA27U OPA37 OPA37 DIP-8 SO-8 100C/W 160C/W P D OPA37GP OPA37U NOTE: (1) For the most current package and ordering information, see the Package Option Addendum located at the end of this document, or see the TI website at www.ti.com. 2 Offset Trim 1 8 Offset Trim -In 2 7 +VCC +In 3 6 Output -VCC 4 5 NC NC = No Connection OPA27, OPA37 www.ti.com SBOS135C ELECTRICAL CHARACTERISTICS At VCC = 15V and TA = +25C, unless otherwise noted. OPA27 OPA37 PARAMETER CONDITIONS MIN TYP MAX UNITS 3.8 3.3 3.2 0.09 1.7 1.0 0.4 8.0 5.6 4.5 0.25 0.6 nV/Hz nV/Hz nV/Hz VPP pA/Hz pA/Hz pA/Hz 25 0.4 0.4 100 1.8 (6) 2.0 V V/C V/mo 120 1 20 dB V/V BIAS CURRENT Input Bias Current 15 80 nA OFFSET CURRENT Input Offset Current 10 75 nA INPUT NOISE (6) Voltage, fO = 10Hz fO = 30Hz fO = 1kHz fB = 0.1Hz to 10Hz Current,(1) fO = 10Hz fO = 30Hz fO = 1kHz OFFSET VOLTAGE (2) Input Offset Voltage Average Drift (3) Long Term Stability (4) Supply Rejection TA MIN to TA MAX VCC = 4 to 18V VCC = 4 to 18V 94 IMPEDANCE Common-Mode VOLTAGE RANGE Common-Mode Input Range Common-Mode Rejection OPEN-LOOP VOLTAGE GAIN, DC FREQUENCY RESPONSE Gain-Bandwidth Product (5) Slew Rate (5) Settling Time, 0.01% RATED OUTPUT Voltage Output Output Resistance Short Circuit Current POWER SUPPLY Rated Voltage Voltage Range, Derated Performance Current, Quiescent 2 || 2.5 G || pF 11 100 12.3 122 V dB RL 2k RL 1k 117 124 124 dB dB OPA27 OPA37 VO = 10V, RL = 2k OPA27, G = +1 OPA37, G = +5 OPA27, G = +1 OPA37, G = +5 5 (6) 45 (6) 8 63 MHz MHz 1.7 (6) 11(6) 1.9 11.9 25 25 V/s V/s s s 12 10 13.8 12.8 70 25 V V mA VIN = 11VDC RL 2k RL 600 DC, Open Loop RL = 0 60(6) 15 4 IO = 0mADC TEMPERATURE RANGE Specification Operating 3.3 -40 -40 VDC 22 5.7 VDC mA +85 +85 C C NOTES: (1) Measured with industry-standard noise test circuit (Figures 1 and 2). Due to errors introduced by this method, these current noise specifications should be used for comparison purposes only. (2) Offset voltage specification are measured with automatic test equipment after approximately 0.5 seconds from power turnon. (3) Unnulled or nulled with 8k to 20k potentiometer. (4) Long-term voltage offset vs time trend line does not include warm-up drift. (5) Typical specification only on plastic package units. Slew rate varies on all units due to differing test methods. Minimum specification applies to open-loop test. (6) This parameter specified by design. OPA27, OPA37 SBOS135C www.ti.com 3 ELECTRICAL CHARACTERISTICS (Cont.) At VCC = 15V and -40C TA +85C, unless otherwise noted. OPA27 OPA37 PARAMETER INPUT VOLTAGE (1) Input Offset Voltage Average Drift (2) Supply Rejection CONDITIONS TA MIN to TA MAX VCC = 4.5 to 18V VCC = 4.5 to 18V MIN 90 (3) TYP MAX UNITS 48 0.4 220(3) 1.8 (3) V V/C 122 dB BIAS CURRENT Input Bias Current 21 150 (3) nA OFFSET CURRENT Input Offset Current 20 135 (3) nA VOLTAGE RANGE Common-Mode Input Range Common-Mode Rejection OPEN-LOOP GAIN, DC Open-Loop Voltage Gain RATED OUTPUT Voltage Output Short Circuit Current VIN = 11VDC 10.5 (3) 96 (3) 11.8 122 V dB RL 2k 113 (3) 120 dB RL = 2k VO = 0VDC 11.0 (3) 13.4 25 V mA TEMPERATURE RANGE Specification -40 +85 C NOTES: (1) Offset voltage specification are measured with automatic test equipment after approximately 0.5s from power turn-on. (2) Unnulled or nulled with 8k to 20k potentiometer. (3) This parameter specified by design. 4 OPA27, OPA37 www.ti.com SBOS135C TYPICAL CHARACTERISTICS At TA = +25C, VCC = 15VDC, unless otherwise noted. INPUT VOLTAGE NOISE vs NOISE BANDWIDTH (0.1Hz to Indicated Frequency) INPUT OFFSET VOLTAGE WARM-UP DRIFT Offset Voltage Change (V) +10 10 Voltage Noise (Vrms) +5 0 -5 1 0.1 RS = 0 -10 0.01 1 0 3 4 5 100 6 VOLTAGE NOISE SPECTRAL DENSITY vs SUPPLY VOLTAGE 5 R1 Voltage Noise (nV/Hz) - 20 R1 RSOURCE = 2 x R 1 10Hz Resistor Noise Only 1kHz 2 10Hz 4 3 1kHz 2 1 1 100 1k 0 10k Source Resistance () 5 10 15 20 Supply Voltage (VCC ) VOLTAGE NOISE SPECTRAL DENSITY vs TEMPERATURE INPUT CURRENT NOISE SPECTRAL DENSITY 5 Current Noise (pA/Hz) 10Hz Voltage Noise (nV/Hz) 100k TOTAL INPUT VOLTAGE NOISE SPECTRAL DENSITY vs SOURCE RESISTANCE + 4 10k Noise Bandwidth (Hz) 40 10 8 6 1k Time From Power Turn-On (min) 100 80 60 Voltage Noise (nV/Hz) 2 4 3 1kHz 2 10 8 6 4 Current Noise Test Circuit 100k en DUT 2 o 500k 1 0.8 0.6 0.4 In = (e n )2 - (130nV)2 o 1M x 100 Warning: This industry-standard equation is inaccurate and these figures should be used for comparison purposes only! 0.2 1 500k 10k 0.1 -75 -50 -25 0 +25 +50 +75 +100 +125 10 Ambient Temperature (C) 1k 10k Frequency (Hz) OPA27, OPA37 SBOS135C 100 www.ti.com 5 TYPICAL CHARACTERISTICS (Cont.) At TA = +25C, VCC = 15VDC, unless otherwise noted. INPUT VOLTAGE NOISE SPECTRAL DENSITY OPEN-LOOP FREQUENCY RESPONSE 140 120 8 Voltage Gain (dB) Voltage Noise (nV/Hz) 10 6 4 100 OPA37 80 OPA27 60 40 2 20 0 0 10 100 1k 1k 1M 10M 15 Offset 10 10 5 5 -50 -25 0 +25 +50 +75 Voltage Gain (dB) 15 -45 30 -90 20 Gain 10 -135 0 -180 -10 -225 -20 0 +125 +100 0 40 Absolute Offset Current (nA) Bias 100M 50 10 100 1k Ambient Temperature (C) 10k 100k 1M 10M 100M Frequency (Hz) OPA37 CLOSED-LOOP VOLTAGE GAIN AND PHASE SHIFT vs FREQUENCY (G = 100) COMMON-MODE REJECTION vs FREQUENCY 50 -45 30 O -90 20 G=5 10 Gain -135 0 -180 -10 -225 Phase Shift (degrees) 0 Common-Mode Rejection (dB) 140 40 Voltage Gain (dB) 100k OPA27 CLOSED-LOOP VOLTAGE GAIN AND PHASE SHIFT vs FREQUENCY (G = 100) 0 -20 120 100 80 OPA37 60 OPA27 40 20 0 10 100 1k 10k 100k 1M 10M 100M 1 10 100 1k 10k 100k 1M 10M Frequency (Hz) Frequency (Hz) 6 10k BIAS AND OFFSET CURRENT vs TEMPERATURE 20 -75 100 Frequency (Hz) 20 Absolute Bias Current (nA) 10 Frequency (Hz) OPA27, OPA37 www.ti.com SBOS135C Phase Shift (degrees) 1 TYPICAL CHARACTERISTICS (Cont.) At TA = +25C, VCC = 15VDC, unless otherwise noted. POWER SUPPLY REJECTION vs FREQUENCY OPEN-LOOP VOLTAGE GAIN vs SUPPLY VOLTAGE 130 OPA27 120 R L = 2k 100 Voltage Gain (dB) Power Supply Rejection (dB) 140 -VCC 80 +VCC 60 40 125 R L = 600 120 20 0 115 1 10 100 1k 10k 100k 1M 5 10M 10 Frequency (Hz) 15 20 25 Supply Voltage (VCC ) OPEN-LOOP VOLTAGE GAIN vs TEMPERATURE SUPPLY CURRENT vs SUPPLY VOLTAGE 6 135 Supply Current (mA) Voltage Gain (dB) 5 130 RL = 2k 125 120 +125C 4 +25C 3 -55C 2 1 0 115 -75 -50 -25 0 +25 +50 +75 +100 +125 0 5 Ambient Temperature (C) COMMON-MODE INPUT VOLTAGE RANGE vs SUPPLY VOLTAGE 15 20 OPA27 SMALL SIGNAL TRANSIENT RESPONSE +15 +60 +10 +40 T A = -55C T A = +25C +5 TA = +125C 0 TA = -55C TA = +25C -5 TA = +125C Output Voltage (mV) Common-Mode Range (V) 10 Supply Voltage (VCC ) -10 +20 0 -20 A VCL = +1 C L = 15pF -40 -15 -60 0 5 10 15 20 0 Supply Voltage (VCC ) 1 1.5 2 2.5 Time (s) OPA27, OPA37 SBOS135C 0.5 www.ti.com 7 TYPICAL PERFORMANCE CURVES (Cont.) At TA = +25C, VCC = 15VDC, unless otherwise noted. OPA27 LARGE SIGNAL TRANSIENT RESPONSE +6 +40 +4 Output Voltage (V) Output Voltage (mV) OPA37 SMALL SIGNAL TRANSIENT RESPONSE +60 +20 0 -20 A V = +5 C L = 25pF -40 +2 0 -2 A VCL = +1 -4 -60 -6 0 0.2 0.4 0.6 0.8 1.0 1.2 0 2 Time (s) 4 6 8 10 12 Time (s) OPA37 LARGE SIGNAL TRANSIENT RESPONSE +15 Output Voltage (V) +10 +5 0 -5 A V = +5 -10 -15 0 1 2 3 4 5 6 Time (s) 8 OPA27, OPA37 www.ti.com SBOS135C APPLICATIONS INFORMATION THERMOELECTRIC POTENTIALS OFFSET VOLTAGE ADJUSTMENT The OPA27 and OPA37 are laser-trimmed to microvolt-level input offset voltages, and for very-low input offset voltage drift. The OPA27 and OPA37 offset voltages are laser-trimmed and require no further trim for most applications. Offset voltage drift will not be degraded when the input offset is nulled with a 10k trim potentiometer. Other potentiometer values from 1k to 1M can be used, but VOS drift will be degraded by an additional 0.1V/C to 0.2V/C. Nulling large system offsets by use of the offset trim adjust will degrade drift performance by approximately 3.3V/C per millivolt of offset. Large system offsets can be nulled without drift degradation by input summing. The conventional offset voltage trim circuit is shown in Figure 3. For trimming very small offsets, the higher resolution circuit shown in Figure 4 is recommended. Careful layout and circuit design techniques are necessary to prevent offset and drift errors from external thermoelectric potentials. Dissimilar metal junctions can generate small EMFs if care is not taken to eliminate either their sources (lead-to-PC, wiring, etc.) or their temperature difference (see Figure 11). Short, direct mounting of the OPA27 and OPA37 with close spacing of the input pins is highly recommended. Poor layout can result in circuit drifts and offsets which are an order of magnitude greater than the operational amplifier alone. The OPA27 and OPA37 can replace 741-type operational amplifiers by removing or modifying the trim circuit. 0.1F 100k 10 2k DUT 4.3k 4.7F 22F OPA111 Voltage Gain Total = 50,000 2.2F 100k 0.1F Scope x1 RIN = 1M 110k 24.3k NOTE: All capacitor values are for nonpolarized capacitors only. FIGURE 1. 0.1Hz to 10Hz Noise Test Circuit. 0.1Hz TO 10Hz NOISE 1s/div 40nv/div FIGURE 2. Low Frequency Noise. OPA27, OPA37 SBOS135C www.ti.com 9 NOISE: BIPOLAR VERSUS FET COMPENSATION Low-noise circuit design requires careful analysis of all noise sources. External noise sources can dominate in many cases, so consider the effect of source resistance on overall operational amplifier noise performance. At low source impedances, the lower voltage noise of a bipolar operational amplifier is superior, but at higher impedances the high current noise of a bipolar amplifier becomes a serious liability. Above about 15k, the OPA111 low-noise FET operational amplifier is recommended for lower total noise than the OPA27, as shown in Figure 5. Although internally compensated for unity-gain stability, the OPA27 may require a small capacitor in parallel with a feedback resistor (RF) which is greater than 2k. This capacitor will compensate the pole generated by RF and CIN and eliminate peaking or oscillation. +VCC (1) 8 1 Transient conditions can cause feedthrough due to the amplifier's finite slew rate. When using the OPA27 as a unity-gain buffer (follower) a feedback resistor of 1k is recommended, as shown in Figure 6. 6 OPA27/37 3 4 Back-to-back diodes are used for input protection on the OPA27 and OPA37. Exceeding a few hundred millivolts differential input signal will cause current to flow, and without external current limiting resistors, the input will be destroyed. Accidental static discharge, as well as high current, can damage the amplifier's input circuit. Although the unit may still be functional, important parameters such as input offset voltage, drift, and noise may be permanently damaged, as will any precision operational amplifier subjected to this abuse. NOTE: (1) 10k to 1M Trim Potentiometer (10k Recommended). 7 2 INPUT PROTECTION 4mV Typical Trim Range -VCC RF 1k FIGURE 3. Offset Voltage Trim. +VCC - (1) NOTE: (1) 1k Trim Potentiometer. 4.7k 7 Input + OPA27 Output 1.9V/s 4.7k 8 2 1 OPA27/37 FIGURE 6. Pulsed Operation. 6 3 G 40dB at 1kHz. Metal film resistors. Film capacitors. RL and CL per cartridge manufacturer's recommendations. 100 280V Typical Trim Range 4 -VCC FIGURE 4. High Resolution Offset Voltage Trim. Voltage Noise Spectral Density, EO Typical at 1kHz (nV/Hz) 1k 0.01F 2 3 OPA111 + Resistor Moving Magnet Cartridge RS OPA111 + Resistor 6 1F Output 20k CL RL FIGURE 7. Low-Noise RIAA Preamplifier. Resistor Noise Only 1k OPA27 + Resistor 1k 10k 100k 1M 1k 10M Input 2 Source Resistance, RS () 3 EO = en2 + (inRS)2 + 4kTRS OPA27 6 Output FO = 1kHz FIGURE 5. Voltage Noise Spectral Density Versus Source Resistance. 10 OPA37 Resistor Noise Only 10 1 100 0.03F 97.6k OPA27 + Resistor EO 100 7.87k FIGURE 8. Unity-Gain Inverting Amplifier. OPA27, OPA37 www.ti.com SBOS135C G 50dB at 1kHz. Metal film resistors. Film capacitors. RL and CL per head manufacturer's recommendations. 1k 1k 2 Input 250 3 100 OPA37 6 4.99k 316k 2 Output 3 500pF RL 0.01F OPA37 6 1F Output 20k CL Magnetic Tape Head FIGURE 9. High Slew Rate Unity-Gain Inverting Amplifier. FIGURE 10. NAB Tape Head Preamplifier. 10k Total Gain = 106 10 G =1k DUT Offset 10Hz LowPass Filter Chart Recorder 10mV/mm 5mm/s A. 741 noise with circuit well-shielded from air currents and RFI. (Note scale change.) 5V B. OP-07AH with circuit well-shielded from air currents and RFI. 0.5V C. OPA27AJ with circuit well-shielded from air currents and RFI. (Represents ultimate OPA27 performance potential.) 0.5V D. OPA27 with circuit unshielded and exposed to normal lab bench-top air currents. (External thermoelectric potentials far exceed OPA27 noise.) 0.5V E. OPA27 with heat sink and shield which protects input leads from air currents. Conditions same as (D). 0.5V FIGURE 11. Low Frequency Noise Comparison. OPA27, OPA37 SBOS135C www.ti.com 11 3 -In 2 Gain = 100 OPA37 6 For Gain = 1000, use INA106 differential amplifier. Bandwidth 500kHz INA105 Differential Amplifier RF 5k RG 101 25k 2 25k Input Stage Gain = 1 + 2RF /RG RF 5k 6 25k 3 Output 2 3 +In 5 OPA37 25k 6 1 FIGURE 12. Low Noise Instrumentation Amplifier. 0.1F 1k 100 100k 200 2 500pF 3 OPA37 6 0.1F 2 Output 3 2k OPA27 6 Output 1M EDO 6166 Transducer Dexter 1M Thermopile Detector Frequency Response 1kHz to 50kHz NOTE: Use metal film resistors and plastic film capacitor. Circuit must be well shielded to achieve low noise. Responsivity 2.5 x 104V/W Output Noise 30Vrms, 0.1Hz to 10Hz FIGURE 13. Hydrophone Preamplifier. FIGURE 14. Long-Wavelength Infrared Detector Amplifier. 20pF TTL INPUT GAIN "1" "0" +1 -1 9.76k 500 10k Input D1 D2 2 4.99k S1 S2 3 6 OPA27 Output 8 1 4.75k TTL In Balance Trim 4.75k 1k DG188 Offset Trim +VCC FIGURE 15. High Performance Synchronous Demodulator. 12 OPA27, OPA37 www.ti.com SBOS135C Gain = -1010V/V VOS 2V Drift 0.07V/C en 1nV/Hz at 10Hz 0.9nV/Hz at 100Hz 0.87nV/Hz at 1kHz Full Power Bandwidth 180kHz Gain Bandwidth 500MHz Equivalent Noise Resistance 50 Input 20 2k Signal-to-Noise Ratio N since amplifier noise is uncorrelated. 2 3 20 OPA37 6 2k 6 2k 2k 2 3 20 OPA37 2k 2k 2 2 3 20 6 OPA37 2k 6 3 OPA37 Output 2k 2 3 20 6 2k 6 2k OPA37 2k 2 3 OPA37 N = 10 Each OPA37 FIGURE 16. Ultra-Low Noise "N"-Stage Parallel Amplifier. OPA27, OPA37 SBOS135C www.ti.com 13 5V 5V +10V Output Output +10V 0V 0V -10V -10V 5s 5s RS = 50 RS = 50 1k 1k 2 2 Input 3 6 OPA27 3 250 6 OPA37 Output Output 500pF Input FIGURE 18. High Slew Rate Unity-Gain Buffer. FIGURE 17. Unity-Gain Buffer. +15V 200 20k 10F/20V 100 10k + VIRTEC V1000 50 Planar Tunnel Input 0.01F Diode RFC 1 2 3 200 OPA37 6 2 Video Output 100F/20V Tantalum 2 3 OPA27 + 10k 500pF Siemens LHI 948 FIGURE 19. RF Detector and Video Amplifier. 6 Output 10k 3 FIGURE 20. Balanced Pyroelectric Infrared Detector. 4.8V + 1k Airpax Magnetic Pickup 2 3 OPA27 6 0 Output - fOUT RPM * N Where N = Number of Gear Teeth FIGURE 21. Magnetic Tachometer. 14 OPA27, OPA37 www.ti.com SBOS135C PACKAGE OPTION ADDENDUM www.ti.com 9-Oct-2010 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/ Ball Finish MSL Peak Temp (3) Samples (Requires Login) OPA27GP ACTIVE PDIP P 8 50 Green (RoHS & no Sb/Br) CU NIPDAU N / A for Pkg Type Request Free Samples OPA27GPG4 ACTIVE PDIP P 8 50 Green (RoHS & no Sb/Br) CU NIPDAU N / A for Pkg Type Contact TI Distributor or Sales Office OPA27GU ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR Request Free Samples OPA27GU/2K5 ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR Purchase Samples OPA27GU/2K5E4 ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR Purchase Samples OPA27GUE4 ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR Contact TI Distributor or Sales Office OPA27GUG4 ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR Contact TI Distributor or Sales Office OPA37GP ACTIVE PDIP P 8 50 Green (RoHS & no Sb/Br) CU NIPDAU N / A for Pkg Type Request Free Samples OPA37GPG4 ACTIVE PDIP P 8 50 Green (RoHS & no Sb/Br) CU NIPDAU N / A for Pkg Type Contact TI Distributor or Sales Office OPA37GU ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR Request Free Samples OPA37GU/2K5 ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR Purchase Samples OPA37GU/2K5G4 ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR Purchase Samples OPA37GUE4 ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR Contact TI Distributor or Sales Office (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. Addendum-Page 1 PACKAGE OPTION ADDENDUM www.ti.com 9-Oct-2010 (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. 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Addendum-Page 2 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant OPA27GU/2K5 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1 OPA37GU/2K5 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) OPA27GU/2K5 SOIC D 8 2500 367.0 367.0 35.0 OPA37GU/2K5 SOIC D 8 2500 367.0 367.0 35.0 Pack Materials-Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. 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