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MC33079
Low noise quad operational amplifier
Features
■ Low voltage noise: 4.5 nV/√Hz ■ High gain bandwidth product: 15 MHz ■ High slew rate: 7 V/µs ■ Low distortion: 0.002% ■ Large output voltage swing: +14.3 V/-14.6 V ■ Excellent frequency stability ■ ESD protection 2 kV
Description
The MC33079 device is a monolithic quad operational amplifier particularly well suited for audio applications.
It offers low voltage noise (4.5 nV/√Hz) and high frequency performance (15 MHz gain bandwidth product, 7 V/µs slew rate).
In addition the MC33079 device has a very low distortion (0.002%) and excellent phase/gain margins.
The output stage allows a large output voltage swing and symmetrical source and sink currents.
Datasheet −production data
DIP14 (plastic package)
SO-14 (plastic micropackage)
Pin connections (top view)
November 2012
This is information on a product in full production.
Doc ID 4468 Rev 5
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www.st.com
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Schematic diagram (1/4 MC33079)
1 Schematic diagram (1/4 MC33079)
Figure 1. Schematic diagram (1/4 MC33079)
MC33079
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Doc ID 4468 Rev 5
MC33079
Absolute maximum ratings and operating conditions
2 Absolute maximum ratings and operating conditions
Table 1. Absolute maximum ratings (AMR)
Symbol
Parameter
Value
Unit
VCC Supply voltage Vid Differential input voltage(1) Vi Input voltage(1)
Output short-circuit duration
±18 or +36 ±30 ±15
Infinite
V V V s
Tj Tstg Rthja
Rthjc
ESD
Junction temperature
Storage temperature Thermal resistance junction-to-ambient(2), (3)
DIP14 SO-14
Thermal resistance junction-to-case(2), (3) DIP14 SO-14
HBM: human body model(4) MM: machine model(5) CDM: charged device model(6)
+150 -65 to +150
°C °C
80 °C/W 105
33 °C/W 31 2 kV 200 V 1.5 kV
1. Either or both input voltages must not exceed the magnitude of VCC+ or VCC-. 2. Short-circuits can cause excessive heating. Destructive dissipation can result from simultaneous
short-circuits on all amplifiers.
3. Rth are typical values. 4. Human body model: 100 pF discharged through a 1.5 kΩ resistor between two pins of the device, done for
all couples of pin combinations with other pins floating.
5. Machine model: a 200 pF cap is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5 Ω), done for all couples of pin combinations with other pins floating.
6. Charged device model: all pins plus package are charged together to the specified voltage and then discharged directly to ground.
Table 2. Operating conditions
Symbol
Parameter
Value
Unit
VCC Toper Vicm
Supply voltage Operating free air temperature range Input common mode voltage range (ΔVio/ΔT= 5 mV, Vo = 0 V)
±2.5 to ±15 -40 to 125 ±13 to ±14
V °C V
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Electrical characteristics
3 Electrical characteristics
MC33079
Table 3.
Electrical characteristics at VCC+ = +15 V, VCC- = -15 V, Tamb = 25 °C (unless otherwise specified)
Symbol
Parameter
Min. Typ. Max. Unit
Vio
Input offset voltage (Vo = 0 V, Vic = 0 V) Tmin ≤ Tamb ≤ Tmax
Input offset voltage drift
ΔVio/ΔT
Vo = 0 V, Vic = 0 V, Tmin ≤ Tamb ≤ Tmax
Iio
Input offset current (Vo = 0 V, Vic = 0 V) Tmin ≤ Tamb ≤ Tmax
Iib
Input bias current (Vo = 0 V, Vic = 0 V) Tmin ≤ Tamb ≤ Tmax
Avd
Large signal voltage gain (RL = 2 kΩ, Vo = ±10 V) Tmin ≤ Tamb ≤ Tmax
±Vopp
Output voltage swing (Vid = ±1 V)
RL = 600 Ω RL = 600 Ω RL = 2.0 kΩ RL = 2.0 kΩ RL = 10 kΩ RL = 10 kΩ
CMR SVR
Common-mode rejection ratio (Vic = ±13 V) Supply voltage rejection ratio (VCC+ / VCC-= +15 V / -15 V to +5 V / -5 V)
Output short-circuit current (Vid = ±1 V, output to ground) Io Source
Sink
90 85
13.2 13.5 80 80
15 20
2
10
250
100
12.2 -12.7
14 -14.2 14.3 -14.6 100 105
29 37
2.5 3.5
150 175 750 800
-13.2 -14
mV µV/°C
nA nA dB
V
dB dB mA
ICC
SR GBP
B
Supply current (Vo = 0 V, all amplifiers) Tmin ≤ Tamb ≤ Tmax
Slew rate (Vi = -10 V to +10 V, RL = 2 kΩ, CL = 100 pF, AV = +1) Gain bandwidth product (RL = 2 kΩ, CL = 100 pF, f = 100 kHz)
Unity gain bandwidth (open loop)
8 10 mA
12
57
V/µs
10 15
MHz
9 MHz
Gain margin (RL = 2 kΩ) Am CL = 0 pF
CL = 100 pF
Phase margin (RL = 2 kΩ) φm CL = 0 pF
CL = 100 pF
-11 dB -6
55 Degrees 30
en Equivalent input noise voltage (RS = 100 Ω, f = 1 kHz)
4.5 ---n---V-----
Hz
in Equivalent input noise current (f = 1 kHz)
0.5 ---p---A-----
Hz
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MC33079
Electrical characteristics
Table 3.
Electrical characteristics at VCC+ = +15 V, VCC- = -15 V, Tamb = 25 °C (unless otherwise specified) (continued)
Symbol
Parameter
Min. Typ. Max.
THD
Total harmonic distortion (RL = 2 kΩ, f = 20 Hz to 20 kHz, Vo = 3 Vrms, AV = +1)
VO1/VO2 Channel separation (f = 20 Hz to 20 kHz)
FPB Full power bandwidth (Vo = 27 Vpp, RL = 2 kΩ, THD ≤ 1%)
Zo Output impedance (Vo = 0 V, f = 9 MHz)
Ri Input resistance (Vic = 0 V)
Ci Input capacitance (Vic = 0 V)
0.002
120 120 37 175 12
Unit
%
dB kHz
Ω kΩ pF
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Electrical characteristics
MC33.