Low noise dual operational amplifier
Datasheet production data
Low voltage noise: 4.5 nV/Hz
High gain bandwidth product: 15 MHz
N DIP8
(plastic package)
High slew rate: 7 V/µs
Low distortion: 0.002%
Large output voltage swing: +14.3 V / -14.6 V
Low input offset voltage
Excellent frequency stability
ESD protection 2 kV
D SO-8
(plastic micropackage)
Macromodel included in this specification
Pin connections (top view)
The MC33078 device is a monolithic dual operational amplifier particularly well suited for audio applications.
Inverting input 1 2 - 7 Output 2
+
CC
8 V
Output 1 1
It offers low voltage noise (4.5 nV/Hz) and high frequency performance (15 MHz gain bandwidth product, 7 V/µs slew rate).
+ 5 Non-inverting input 2
- 4
CC
V
- 6 Inverting input 2
+
3
Non-inverting input 1
In addition, the MC33078 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.
November 2012 Doc ID 2177 Rev 6 1/15
This is information on a product in full production. www.st.com
Table 1. Absolute maximum ratings (AMR)
Symbol | Parameter | Value | Unit |
VCC | Supply voltage | ±18 or +36 | V |
Vid | Differential input voltage(1) | ±30 | V |
Vi | ±15 | V | |
Output short-circuit duration | Infinite | s | |
Tj | Junction temperature | +150 | °C |
Tstg | Storage temperature | -65 to +150 | °C |
Rthja | Thermal resistance junction-to-ambient(2), (3) SO-8 DIP8 | 125 85 | °C/W |
Rthjc | Thermal resistance junction-to-case(2), (3) SO-8 DIP8 | 40 41 | °C/W |
ESD | HBM: human body model(4) | 2 | kV |
MM: machine model(5) | 200 | V | |
CDM: charged device model(6) | 1.5 | kV |
Either or both input voltages must not exceed the magnitude of VCC+ or V -.
CC
Short-circuits can cause excessive heating and destructive dissipation.
Rth are typical values.
Human body model: A 100 pF capacitor is charged to the specified voltage, then discharged through
a 1.5 kΩ resistor between two pins of the device. This is done for all couples of connected pin combinations while the other pins are floating.
Machine model: A 200 pF capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5 Ω). This is done for all couples of connected pin combinations while the other pins are floating.
Charged device model: all pins and the package are charged together to the specified voltage and then discharged directly to ground through only one pin. This is done for all pins.
Table 2. Operating conditions
Symbol | Parameter | Value | Unit |
VCC | Supply voltage | ±2.5 to ±15 | V |
Toper | Operating free air temperature range | -40 to 125 | °C |
Figure 1. Schematic diagram (1/2 MC33078)
VCC
Inverting Input
Non-inverting Input
Output
VCC
Doc ID 2177 Rev 6 3/15
+ = +15 V, V - = -15 V, T
= 25 °C (unless otherwise specified)
CC CC amb
Symbol | Parameter | Min. | Typ. | Max. | Unit |
Vio | Input offset voltage (Vo = 0 V, Vic = 0 V) Tmin Tamb Tmax | 0.15 | 2 3 | mV | |
ΔVio | Input offset voltage drift Vo = 0 V, Vic = 0 V, Tmin Tamb Tmax | 2 | µV/°C | ||
Iio | Input offset current (Vo = 0 V, Vic = 0 V) Tmin Tamb Tmax | 10 | 150 175 | nA | |
Iib | Input bias current (Vo = 0 V, Vic = 0 V) Tmin Tamb Tmax | 250 | 750 800 | nA | |
Vicm | Input common mode voltage range (ΔVio = 5 mV, Vo = 0 V) | ±13 | ±14 | V | |
Avd | Large signal voltage gain (RL = 2 kΩ, Vo = ±10 V) Tmin Tamb Tmax | 90 85 | 100 | dB | |
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 | 12.2 | ||||
-12.7 | |||||
±Vopp | 13.2 | 14 | V | ||
-14.2 | -13.2 | ||||
13.5 | 14.3 | ||||
-14.6 | -14 | ||||
CMR | Common mode rejection ratio (Vic = ±13 V) | 80 | 100 | dB | |
SVR | Supply voltage rejection ratio V + / V - = +15 V / -15 V to +5 V / -5 V CC CC | 80 | 105 | dB | |
Io | Output short-circuit current (Vid = ±1 V, output to ground) Source Sink | 15 | 29 | mA | |
20 | 37 | ||||
ICC | Supply current (Vo = 0 V, all amplifiers) Tmin Tamb Tmax | 4 | 5 5.5 | mA | |
SR | Slew rate Vi = -10 V to +10 V, RL = 2 kΩ, CL = 100 pF, AV = +1 | 5 | 7 | V/µs | |
GBP | Gain bandwidth product RL = 2 kΩ, CL = 100 pF, f = 100 kHz | 10 | 15 | MHz | |
B | Unity gain bandwidth (open loop) | 9 | MHz | ||
Am | Gain margin (RL = 2 kΩ), CL = 0 pF CL = 100 pF | -11 -6 | dB | ||
m | Phase margin (RL = 2 kΩ), CL = 0 pF CL = 100 pF | 55 30 | Degrees | ||
en | Equivalent input noise voltage RS = 100 Ω, f = 1 kHz | 4.5 | nV/Hz | ||
in | Equivalent input noise current (f = 1 kHz) | 0.5 | pA/Hz |
4/15 Doc ID 2177 Rev 6
Table 3. V
+ = +15 V, V - = -15 V, T
= 25 °C (unless otherwise specified) (continued)
CC CC amb
Symbol | Parameter | Min. | Typ. | Max. | Unit |
THD | Total harmonic distortion RL = 2 kΩ, f = 20 Hz to 20 kHz, Vo = 3 Vrms, AV = +1 | 0.002 | % | ||
VO1/VO2 | Channel separation f = 20 Hz to 20 kHz | 120 | dB | ||
FPB | Full power bandwidth Vo = 27 Vpp, RL = 2 kΩ, THD 1% | 120 | kHz | ||
Zo | Output impedance Vo = 0 V, f = 9 MHz | 37 | Ω | ||
Ri | Input resistance Vic = 0 V | 175 | kΩ | ||
Ci | Input capacitance Vic = 0 V | 12 | pF |
Doc ID 2177 Rev 6 5/15
Figure 2. Total supply current vs. supply voltage
Figure 3. Output voltage vs. supply voltage
-S c :::, CJ >, aa.. :::, "' I- | 5 | 15 20 Supply voltage (V) | Q) Ol tU '5 > 5 a. 5 0 | 15 | |||||||||
4.5 4 3.5 | \ | 10 5 | |||||||||||
3 | |||||||||||||
2.5 | 0 | ||||||||||||
2 | |||||||||||||
1.5 | -5 | ||||||||||||
0.5 | -10 | ||||||||||||
0 | _,/ 0 | 5 | 10 | 25 | 30 | -15 | 0 | 5 10 | 15 | ||||
Supply voltage (V) |
Figure 4. Equivalent input noise voltage vs. frequency
Figure 5. Output short-circuit current
vs. output voltage
Q) 0) -Q) - o C N I !, "? a. - - C Q) cii rr UJ | 10 | 50 40 -S 30 c 20 :::, CJ 10 ·5 [! ·o 0 t .0c -10 5"' a. -20 5 0 -30 -40 | Vee = 0/30 V Tamb = 25o c 10 20 Output voltage (V) | |||||
9 | ||||||||
8 7 6 | Vee= ±15V,G = 100 R5 = 100, Tamb = 25 °C | |||||||
5 | ||||||||
4 | ||||||||
3 | ||||||||
2 | ||||||||
0 .1 | 10 | 100 | ||||||
Frequency (kHz ) | ||||||||
0 | 30 |
-c> C
s>
Figure 6. Output voltage vs. supply voltage (Vid = ±1 V, RL = 2 kΩ)
Figure 7. THD + noise vs. frequency
15 | e:, 0.1 Q) C + 0.01 I- 0.001 0.01 | RL = 2 k0 ,V 0 = 3 V,ms Vee = ± 15 V,Av = 1 0.1 Frequency (kHz) | ||||||
10 | ||||||||
V;d = ±1 V | ||||||||
RL = 2 kQ | ||||||||
-10 | ||||||||
-15 | 10 | 100 | ||||||
0 | 5 | 10 | 15 | |||||
Supply voltage (V) |
"o'
6/15 Doc ID 2177 Rev 6
Figure 8. Voltage gain and phase
vs. frequency
50 40 30 in 20 c: 1 0 C!J 0 -10 -20 -30 | 180 | <l) Ul ·5 C: + 0 I I- | 1 .000 0 .100 0.010 '----- 0.001 2 | ||||||||||
120 | |||||||||||||
RL = 2 kQ, I= 1 kH z | |||||||||||||
60 g, | Vcc = ±15 V, Av = 10 | ||||||||||||
Q) | |||||||||||||
0 <tl | |||||||||||||
RL = 2 kO, CL = 1 00 pF Vee = ±15 V, G = -100 | Cl. -60 | J | |||||||||||
1 0 | 1 00 1000 | 10000 | -12 0 10 0000 | 3 | 4 5 6 7 Vout(Vrms) | B | 9 | 10 | |||||
Frequency (kHz) |
ro
Doc ID 2177 Rev 6 7/15
Please consider the following remarks before using this macromodel.
All models are a trade-off between accuracy and complexity (i.e. simulation time).
Macromodels are not a substitute to breadboarding; rather, they confirm the validity of a design approach and help to select surrounding component values.
A macromodel emulates the nominal performance of a typical device within specified operating conditions (temperature, supply voltage, for example). Thus the macromodel is often not as exhaustive as the datasheet, its purpose is to illustrate the main parameters of the product.
Data derived from macromodels used outside of the specified conditions (VCC, temperature, for example) or even worse, outside of the device operating conditions (VCC, Vicm, for example), is not reliable in any way.
Section 4.2 provides the electrical characteristics resulting from the use of this macromodel.
Table 4. Electrical characteristics resulting from macromodel simulation
at V + = +15 V, V - = -15 V, T = 25 °C (unless otherwise specified)
CC CC amb
Symbol | Conditions | Value | Unit |
Vio | 0 | mV | |
AVD | RL = 2 kΩ VO = ±10 V | 100 | dB |
ICC | No load, per operator | 2 | mA |
Vicm | ΔVio = 5 mV, VO = 0 V | 28 | V |
Vopp | RL = 2 kΩ | 28.2 | V |
Isink | VO = 0 V | 37 | mA |
Isource | VO = 0 V | 29 | mA |
GBP | RL = 2 kΩ, CL = 100 pF | 15 | MHz |
SR | RL = 10 kΩ, CL = 100 pF, AV = +1 | 7 | V/µs |
m | RL = 2 kΩ, CL = 0 pF | 55 | Degrees |
8/15 Doc ID 2177 Rev 6
** Standard Linear Ics Macromodels, 1993.
** CONNECTIONS :
1 INVERTING INPUT
2 NON-INVERTING INPUT
3 OUTPUT
4 POSITIVE POWER SUPPLY
5 NEGATIVE POWER SUPPLY
.SUBCKT MC33078 1 3 2 4 5
********************************************************
.MODEL MDTH D IS=1E-8 KF=2.286238E-16 CJO=10F
INPUT STAGE
CIP 2 5 1.200000E-11
CIN 1 5 1.200000E-11
EIP 10 5 2 5 1
EIN 16 5 1 5 1
RIP 10 11 2.363636E+00
RIN 15 16 2.363636E+00
RIS 11 15 1.224040E+01
DIP 11 12 MDTH 400E-12
DIN 15 14 MDTH 400E-12
VOFP 12 13 DC 0
VOFN 13 14 DC 0
IPOL 13 5 1.100000E-04
CPS 11 15 2.35E-09
DINN 17 13 MDTH 400E-12
VIN 17 5 1.000000e+00
DINR 15 18 MDTH 400E-12
VIP 4 18 1.000000E+00
FCP 4 5 VOFP 1.718182E+01
FCN 5 4 VOFN 1.718182E+01
FIBP 2 5 VOFN 4.545455E-03
FIBN 5 1 VOFP 4.545455E-03
AMPLIFYING STAGE
FIP 5 19 VOFP 9.545455E+02
FIN 5 19 VOFN 9.545455E+02
CC 19 29 1.500000E-08
HZTP | 30 | 29 | VOFP | 1.523529E+02 |
HZTN | 5 | 30 | VOFN | 1.523529E+02 |
DOPM | 51 | 22 | MDTH | 400E-12 |
DONM | 21 | 52 | MDTH | 400E-12 |
HOPM | 22 | 28 | VOUT | 5.172414E+03 |
VIPM 28 4 1.500000E+02
HONM 21 27 VOUT 4.054054E+03
Doc ID 2177 Rev 6 9/15
VINM 5 27 1.500000E+02
DBIDON1 19 53 MDTH 400E-12
V1 51 53 0.68
DBIDON2 54 19 MDTH 400E-12
V2 54 52 0.68
RG11 | 51 | 5 | 3.04E+05 |
RG12 | 51 | 4 | 3.04E+05 |
RG21 | 52 | 5 | 0.6072E+05 |
RG22 | 52 | 4 | 0.6072E+05 |
E1 50 40 51 0 1 E2 40 39 52 0 1
EDEC1 38 39 4 0 0.5
EDEC2 0 38 5 0 0.5
DOP 51 25 MDTH 400E-12
VOP 4 25 1.474575E+00
DON 24 52 MDTH 400E-12
VON 24 5 1.474575E+00
RAJUS 50 5 1E12
GCOMP 5 4 4 5 8.1566068E-04
RPM1 5 80 1E+06
RPM2 4 80 1E+06
GAVPH 5 | 82 | 50 80 3.26E-03 |
RAVPHGH | 82 | 4 613 |
RAVPHGB | 82 | 5 613 |
RAVPHDH | 82 | 83 1000 |
RAVPHDB | 82 | 84 1000 |
CAVPHH 4 83 0.159E-09
CAVPHB 5 84 0.159E-09
EOUT 26 23 82 5 1
VOUT 23 5 0
ROUT 26 3 4.780354E+01
COUT 3 5 1.000000E-12
.ENDS
10/15 Doc ID 2177 Rev 6
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK
specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark.
Doc ID 2177 Rev 6 11/15
Figure 10. DIP8 package outline
r E •
//I// □" \\
A_1------1.r
// \\
// \\
u \\
c -
eA
eB
Table 5. DIP8 package mechanical data
Symbol | Dimensions | |||||
Millimeters | Inches | |||||
Min. | Typ. | Max. | Min. | Typ. | Max. | |
A | 5.33 | 0.210 | ||||
A1 | 0.38 | 0.015 | ||||
A2 | 2.92 | 3.30 | 4.95 | 0.115 | 0.130 | 0.195 |
b | 0.36 | 0.46 | 0.56 | 0.014 | 0.018 | 0.022 |
b2 | 1.14 | 1.52 | 1.78 | 0.045 | 0.060 | 0.070 |
c | 0.20 | 0.25 | 0.36 | 0.008 | 0.010 | 0.014 |
D | 9.02 | 9.27 | 10.16 | 0.355 | 0.365 | 0.400 |
E | 7.62 | 7.87 | 8.26 | 0.300 | 0.310 | 0.325 |
E1 | 6.10 | 6.35 | 7.11 | 0.240 | 0.250 | 0.280 |
e | 2.54 | 0.100 | ||||
eA | 7.62 | 0.300 | ||||
eB | 10.92 | 0.430 | ||||
L | 2.92 | 3.30 | 3.81 | 0.115 | 0.130 | 0.150 |
12/15 Doc ID 2177 Rev 6
Figure 11. SO-8 package outline
Table 6. SO-8 package mechanical data
Symbol | Dimensions | |||||
Millimeters | Inches | |||||
Min. | Typ. | Max. | Min. | Typ. | Max. | |
A | 1.75 | 0.069 | ||||
A1 | 0.10 | 0.25 | 0.004 | 0.010 | ||
A2 | 1.25 | 0.049 | ||||
b | 0.28 | 0.40 | 0.48 | 0.011 | 0.016 | 0.019 |
c | 0.17 | 0.23 | 0.007 | 0.010 | ||
D | 4.80 | 4.90 | 5.00 | 0.189 | 0.193 | 0.197 |
E | 5.80 | 6.00 | 6.20 | 0.228 | 0.236 | 0.244 |
E1 | 3.80 | 3.90 | 4.00 | 0.150 | 0.154 | 0.157 |
e | 1.27 | 0.050 | ||||
h | 0.25 | 0.50 | 0.010 | 0.020 | ||
L | 0.40 | 0.635 | 1.27 | 0.016 | 0.025 | 0.050 |
k | 1° | 8° | 1° | 8° | ||
ccc | 0.10 | 0.004 |
Doc ID 2177 Rev 6 13/15
Order code | Temperature range | Package | Packaging | Marking |
MC33078N | -40, +125 °C | DIP8 | Tube | MC33078N |
MC33078D MC33078DT | SO-8 | Tube or tape and reel | 33078 | |
MC33078YDT(1) | SO-8 (automotive grade) | Tube or tape and reel | 33078Y |
1. Qualified and characterized according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 and Q 002 or equivalent.
Table 8. Document revision history
Date | Revision | Changes |
10-Nov-2001 | 1 | Initial release. |
10-Jun-2005 | 2 | PPAP references inserted in the datasheet, see order codes table. |
30-Sep- 2005 | 3 | The following changes were made in this revision:
|
16-Feb-2006 | 4 | Corrected error in the first page title. |
3-Mar-2008 | 5 | Added Rth and ESD values in absolute maximum ratings table. Added footnote for automotive grade order codes in order codes table. Re-formatted document. |
13-Nov-2012 | 6 | Added conditions to title of Figure 6. Updated temperature range in Table 2 and Table 7. Updated ECOPACK text in Section 5. Updated Table 6 (added “b” and “L” typ. dimensions). Qualified status of the MC33078YDT order code, removed the MC33078YD order code from Table 7. Minor corrections throughout document. |
14/15 Doc ID 2177 Rev 6
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Doc ID 2177 Rev 6 15/15
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