MC33078
LOW NOISE DUAL OPERATIONAL AMPLIFIERS
March 1994
.LOW VOLTAGENOISE : 4.5nV/√√Hz
.HIGH GAIN BANDWIDTH PRODUCT : 15MHz
.HIGH SLEW RATE : 7V/µµs
.LOW DISTORTION : 0.002%
.LARGE OUTPUT VOLTAGE SWING :
+14.3V/-14.6V
.LOW INPUTOFFSETVOLTAGE
.EXCELLENTFREQUENCY STABILITY
.ESDPROTECTION 2kV
N
DIP8
(Plastic Package)
DESCRIPTION
The MC33078 is a monolithic dual operational
amplifier dedicated to audio applications. The
MC33078 offers low voltage noise (4.5nV/√Hz )
and high frequency performances (15MHz gain
bandwidthproduct,7V/µs slew rate).
In addition the MC33078 has a very low distortion
(0.002%)and excellentphase/gainmargins.
The output stage allows a large output voltage
swing and symmetrical source and sink currents.
1
2
3
45
6
7
8
-
+-
+
Output1
Invertinginput1
Non-invertinginput1
VCC
VCC
Output2
Invertinginput2
Non-invertinginput2
-
+
33078-01.EPS
PIN CONNECTIONS (top view)
D
SO8
(PlasticMicropackage)
ORDER CODES
Part Number Temperature Range Package
ND
MC33078 -40, +105oC••
33078-01.TBL
1/5
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
VCC Supply Voltage ±18 or +36 V
Vid Differential Input Voltage - (note 1) ±30 V
ViInput Voltage - (note 1) ±15 V
Output Short-Circuit Duration - (note2) Infinite
Toper Operating Free-air Temperature Range -40 to +105 oC
TjMaximum JunctionTemperature +150 oC
Tstg Storage Temperature -65 to +150 oC
Ptot Maximum Power Dissipation - (note 2) 500 mW
33078-02.TBL
Notes : 1. Either or both input voltages must not exceed the magnitude of VCC+ or VCC-
2. Power dissipation must be considered to ensure maximumjunction temperature (Tj) isnot exceeded
Inverting
Input Non-inverting
Input
VCC
Output
VCC
33078-02.EPS
SCHEMATIC DIAGRAM (1/2 MC33078)
OPERATING CONDITIONS
Symbol Parameter Value Unit
VCC SupplyVoltage ±2.5 to ±15 V
33078-03.TBL
MC33078
2/5
ELECTRICAL CHARACTERISTICS
VCC+=+15V, VCC-=-15V, Tamb =25oC (unlessotherwise specified)
Symbol Parameter Min. Typ. Max. Unit
Vio Input Offset Voltage (Vo= 0V, Vic = 0V)
Tamb = +25oC
Tmin.≤Tamb ≤Tmax. 0.15 2
3
mV
DVio Input Offset Voltage Drift
Vic = 0V, Vo= 0V, Tmin. ≤Tamb ≤Tmax. 2µV/oC
Iio Input OffsetCurrent (Vic = 0V, VO= 0V)
Tamb = +25oC
Tmin.≤Tamb ≤Tmax. 10 150
175
nA
Iib Input Bias Current (Vic = 0V, VO= 0V)
Tamb = +25oC
Tmin.≤Tamb ≤Tmax. 250 750
800
nA
Vicm Common Mode Input Voltage Range (∆VIO = 5mV, VO= 0V) ±13 ±14 V
Avd Large Signal Voltage Gain (RL=2kΩ,V
O=±10V)
Tamb = +25oC
Tmin.≤Tamb ≤Tmax. 90
85 100 dB
±Vopp Output Voltage Swing (Vid =±1V) RL= 600Ω
RL= 600Ω
RL= 2.0kΩ
RL= 2.0kΩ
RL= 10kΩ
RL= 10kΩ
13.2
13.5
12.2
-12.7
14
-14.2
14.3
-14.6
-13.2
-14
V
CMR Common Mode Rejection Ratio (Vic =±13V) 80 100 dB
SVR Supply Voltage Rejection Ratio
VCC+/V
CC-= +15V / -15V to +5V / -5V 80 105 dB
IoOutput Short Circuit Current (Vid =±1V, Output to Ground)
Source
Sink 15
20 29
37
mA
ICC Supply current (VO= 0V, All Amplifiers)
Tamb = +25oC
Tmin.≤Tamb ≤Tmax. 45
5.5
mA
SR Slew Rate
Vi= -10V to +10V, RL=2kΩ,C
L= 100pF, AV=+1 5 7 V/µs
GBP Gain Bandwidth Product (f = 100kHz, RL=2kΩ,C
L= 100pF) 10 15 MHz
B Unity Gain Bandwidth (Open loop) 9 MHz
AmGain Margin (RL=2kΩ)C
L= 0pF
CL= 100pF -11
-6 dB
∅m Phase Margin (RL=2kΩ)C
L= 0pF
CL= 100pF 55
30 Degrees
enEquivalent Input Noise Voltage (RS= 100Ω, f = 1kHz) 4.5 nV
√Hz
inEquivalent Input Noise current (f = 1kHz) 0.5 pA
√Hz
THD Total Harmonic Distortion
RL=2kΩ, f = 20Hz to 20kHz, VO=3V
rms,A
V= +1 0.002 %
VO1/VO2 Channel Separation (f = 20Hz to 20kHz) 120 dB
FPB Full Power Bandwidth (VO= 27Vpp,R
L=2kΩ, THD ≤1%) 120 kHz
ZoOutput Impedance (VO= 0V, f = 9MHz) 37 Ω
RiInput Resistance (Vic = 0V) 175 kΩ
CiInput Capacitance (Vic = 0V) 12 pF
33078-04.TBL
MC33078
3/5
8
14
I
a1
L
B
e
D
b
Ze3
F
B1 E
5
Z
A
e4
b1
PM-DIP8.EPS
PACKAGE MECHANICAL DATA
8 PINS - PLASTICDIP
Dimensions Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
A 3.32 0.131
a1 0.51 0.020
B 1.15 1.65 0.045 0.065
b 0.356 0.55 0.014 0.022
b1 0.204 0.304 0.008 0.012
D 10.92 0.430
E 7.95 9.75 0.313 0.384
e 2.54 0.100
e3 7.62 0.300
e4 7.62 0.300
F 6.6 0260
i 5.08 0.200
L 3.18 3.81 0.125 0.150
Z 1.52 0.060
DIP8.TBL
MC33078
4/5
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility
for the consequencesof use of such information norfor any infringementof patents orother rights of third partieswhich may result
from itsuse. No licence is granted byimplication orotherwiseunder any patent orpatent rightsof SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
information previously supplied. SGS-THOMSON Microelectronics productsare not authorized for use as critical components in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.
1994 SGS-THOMSON Microelectronics - AllRights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong- Italy - Japan -Korea - Malaysia - Malta- Morocco - TheNetherlands
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
ORDER CODE:
F
C
L
E
a1
b1
a2
A
e
DM
e3
b
85
14
c1
s
a3
PM-SO8.EPS
PACKAGE MECHANICAL DATA
8 PINS - PLASTIC MICROPACKAGE (SO)
Dimensions Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
A 1.75 0.069
a1 0.1 0.25 0.004 0.010
a2 1.65 0.065
a3 0.65 0.85 0.026 0.033
b 0.35 0.48 0.014 0.019
b1 0.19 0.25 0.007 0.010
C 0.25 0.5 0.010 0.020
c1 45o(typ.)
D 4.8 5.0 0.189 0.197
E 5.8 6.2 0.228 0.244
e 1.27 0.050
e3 3.81 0.150
F 3.8 4.0 0.150 0.157
L 0.4 1.27 0.016 0.050
M 0.6 0.024
S8
o(max.)
SO8.TBL
MC33078
5/5
