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MC33078
Low Noise Dual Operational Amplifier

Low voltage noise: 4.5nV/Hz High gain bandwidth product: 15MHz High slew rate: 7V/s Low distortion: 0.002% Large output voltage swing: +14.3V / -14.6V Low input offset voltage Excellent frequency stability ESD protection 2kV Macromodel included in this specification D SO-8 (Plastic Micropackage) N DIP8 (Plastic Package)
Description
The MC33078 is a monolithic dual operational amplifier particularly well suited for audio applications. It offers low voltage noise (4.5nV/Hz) and high frequency performances (15MHz gain bandwidth product, 7V/s slew rate). In addition, the MC33078 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.
Pin connections (top view)
Output 1
Inverting input 1 Non-inverting input 1
1 2 3
+ +
8 7 6 5
VCC+
Output 2 Inverting input 2 Non-inverting input 2
-4 V CC
Order Codes
Part Number MC33078N MC33078D/DT MC33078YD/YDT -40, +105C Temperature Range Package DIP8 SO-8 Tube or Tape & Reel SO-8 (automotive grade level) 33078Y Packing Tube Marking MC33078N 33078
February 2006
Rev. 4
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www.st.com
14
Absolute Maximum Ratings
MC33078
1
Absolute Maximum Ratings
Table 1.
Symbol VCC Vid Vi Supply Voltage Differential Input Voltage - note Input Voltage - see note 1 Output Short Circuit Duration Toper Tj Tstg Ptot Operating Free-Air Temperature Range Junction Temperature Storage Temperature Maximum Power Dissipation - note (2)
+
Key parameters and their absolute maximum ratings
Parameter Value 18 or +36
(1)
Unit V V V s C C C mW
30 15 Infinite -40 to 105 +150 -65 to +150 500
VCC-.
1. Either or both input voltages must not exceed the magnitude of VCC or
2. Power dissipation must be considered to ensure maximum junction temperature (Tj) is not exceeded.
Table 2.
Symbol VCC
Operating conditions
Parameter Supply Voltage Value 2.5 to 15 Unit V
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MC33078
Typical Application Schematic
2
Figure 1.
Typical Application Schematic
Schematic diagram (1/2 MC33078)
VCC
Output Inverting Input Non-inverting Input
VCC
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Electrical Characteristics
MC33078
3
Table 3.
Symbol Vio
Electrical Characteristics
VCC+ = +15V, VCC- = -15V, Tamb = 25C (unless otherwise specified)
Parameter Input Offset Voltage (Vo = 0V, Vic = 0V) Tamb = +25C Tmin. T amb Tmax. Input Offset Voltage Drift Vo = 0V, Vic = 0V, Tmin . Tamb T max. Input Offset Current (Vo = 0V, V ic = 0V) Tamb = +25C Tmin. T amb Tmax. Input Bias Current (Vo = 0V, V ic = 0V) Tamb = +25C Tmin. T amb Tmax. Input Common Mode Voltage Range (Vio = 5mV, V o = 0V) Large Signal Voltage Gain (RL = 2k, Vo = 10V) Tamb = +25C Tmin. T amb Tmax. Output Voltage Swing (Vid = 1V) RL = 600 RL = 600 RL = 2.0k RL = 2.0k RL = 10k RL = 10k Common-mode Rejection Ratio (Vic = 13V) Supply Voltage Rejection Ratio VCC+ / VCC- = +15V / -15V to +5V / -5V Output Short Circuit Current (Vid = 1V, Output to Ground) Source Sink Supply Current (Vo = 0V, All amplifiers) Tamb = +25C Tmin. T amb Tmax. Slew Rate Vi = -10V to +10V, RL = 2k, CL = 100pF, AV = +1 Gain Bandwidth Product RL = 2k, CL = 100pF, f = 100kHz Unity Gain Bandwidth (Open loop) Gain Margin (RL = 2k), C L = 0pF CL = 100pF Phase Margin (RL = 2k), C L = 0pF CL = 100pF 5 10 13 90 85 Min. Typ. 0.15 Max. 2 3 Unit mV
DV io
2 10 150 175 750 800
V/C
Iio
nA
Iib Vicm Avd
250 14 100
nA V dB
Vopp
13.2 13.5 80 80
12.2 -12.7 14 -14.2 14.3 -14.6 100 105
V -13.2 -14 dB dB
CMR SVR
Io
15 20
29 27 4 5 5.5
mA
ICC
mA
SR GBP B Am m
7 15 9 -11 -6 55 30
V/s MHz MHz dB Degrees
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MC33078 Table 3.
Symbol en in THD VO1/V O2 FPB Zo Ri Ci
Electrical Characteristics VCC+ = +15V, VCC- = -15V, Tamb = 25C (unless otherwise specified)
Parameter Equivalent Input Noise Voltage RS = 100, f = 1kHz Equivalent Input Noise Current (f = 1kHz) Total Harmonic Distortion RL = 2k, f = 20Hz to 20kHz, Vo = 3Vrms, AV = +1 Channel Separation f = 20Hz to 20kHz Full Power Bandwidth Vo = 27Vpp, RL = 2k, THD 1% Output Impedance Vo = 0V, f = 9MHz Input Resistance Vic = 0V Input Capacitance Vic = 0V Min. Typ. 4.5 0.5 0.002 120 120 37 175 12 Max. Unit nV/Hz pA/Hz % dB kHz k pF
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Electrical Characteristics
MC33078
Figure 2.
Total supply current vs. supply voltage
Figure 3.
Output voltage vs. supply voltage
5 4.5 Total Supply Current (mA) 4 3.5
Output Voltage (V) 10 15
3 2.5 2 1.5 1 0.5 0 0 5 10 15 20 25 30
5
0
-5
-10
-15 0 5 10 15 Supply Voltage (V)
Supply Voltage (V)
Figure 4.
Equivalent input noise voltage vs. frequency
Figure 5.
Output short circuit current vs. output voltage
50 Output Short Circuit Current (mA) 40 30 20 10 0 -10 -20 -30 -40 0 10 20 30 Output Voltage (V)
VCC = 15V, G = 100 Rs = 100, Tamb = 25C
VCC = 0/30V Tamb = 25C
Figure 6.
Output voltage vs. supply voltage
Figure 7.
THD + Noise vs. frequency
15
1
10 Output Voltage (V)
THD+Noise (%)
5 0
0.1
Vid = 1V RL = 2k
RL = 2k, Vo = 3Vrms VCC = 15V, Av = 1
0.01
-5
-10 -15 0 5 10 15 Supply Voltage (V)
0.001 0.01
0.1
1 Frequency (kHz)
10
100
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MC33078
Electrical Characteristics
Figure 8.
Voltage gain and phase vs. frequency
Figure 9.
THD noise vs. Vout
50 40
180
1.000
120 30
THD+Noise (%)
Gain (dB)
20 10 0
60
0
Phase (Deg)
0.100
R L = 2k, f = 1kHz VCC = 15V, Av = 10
0.010
-10 -20
RL = 2k, CL = 100pF VCC = 15V, G = -100
-60
0.001
-30 10 100 1000 Frequency (kHz) 10000 -120 100000
1
2
3
4
5
6
7
8
9
10
Vout (Vrms)
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Macromodels
MC33078
4
4.1
Macromodels
Important note concerning this macromodel
Please consider 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 (i.e. temperature, supply voltage, etc.). Thus the macromodel is often not as exhaustive as the datasheet, its goal is to illustrate the main parameters of the product. - Data issued from macromodels used outside of its specified conditions (VCC, Temperature, etc.) or even worse: outside of the device operating conditions (VCC, Vicm, etc.) are not reliable in any way. In Section 4.2, the electrical characteristics resulting from the use of this macromodel are presented.
4.2
Electrical characteristics from macromodelization
Table 4. Electrical characteristics resulting from macromodel simulation at VCC+ = +15V, VCC- = -15V, Tamb = 25C (unless otherwise specified)
Conditions Value 0 RL = 2k, VO = 10V No load, per operator Vio = 5mV, VO = 0V RL = 2k VO = 0V VO = 0V RL = 2k, CL = 100pF RL = 10k, CL = 100pF, AV = +1 RL = 2k, CL = 0pF 100 2 28 28.2 37 29 15 7 55 Unit mV dB mA V V mA mA MHz V/s Degrees
Symbol Vio AVD ICC Vicm Vopp Isink Isource GBP SR m
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MC33078
Macromodels
4.3
Macromodel code
** 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 (analog) ******************************************************** .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 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
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Macromodels 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
MC33078
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MC33078
Package Mechanical Data
5
Package Mechanical Data
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.
5.1
DIP8 Package
Plastic DIP-8 MECHANICAL DATA
mm. DIM. MIN. A a1 B B1 b b1 D E e e3 e4 F I L Z 0.44 3.3 1.6 0.017 8.8 2.54 7.62 7.62 7.1 4.8 0.130 0.063 0.38 0.7 1.39 0.91 0.5 0.5 9.8 0.346 0.100 0.300 0.300 0.280 0.189 0.015 1.65 1.04 TYP 3.3 0.028 0.055 0.036 0.020 0.020 0.386 0.065 0.041 MAX. MIN. TYP. 0.130 MAX. inch
P001F
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Package Mechanical Data
MC33078
5.2
SO-8 Package
SO-8 MECHANICAL DATA
DIM. A A1 A2 B C D E e H h L k ddd 0.1 5.80 0.25 0.40 mm. MIN. 1.35 0.10 1.10 0.33 0.19 4.80 3.80 1.27 6.20 0.50 1.27 8 (max.) 0.04 0.228 0.010 0.016 TYP MAX. 1.75 0.25 1.65 0.51 0.25 5.00 4.00 MIN. 0.053 0.04 0.043 0.013 0.007 0.189 0.150 0.050 0.244 0.020 0.050 inch TYP. MAX. 0.069 0.010 0.065 0.020 0.010 0.197 0.157
0016023/C
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MC33078
Revision History
6
Revision History
Table 5.
Date Nov. 2001 June 2005
Document revision history
Revision 1 2 Initial release. PPAP references inserted in the datasheet see Order Codes on page 1. The following changes were made in this revision: - Order Codes on page 1 updated with complete list of markings and packages were corrected. - Reorganization of Chapter 4.3: Macromodel code on page 9. Error in the first page title. Changes
Sept. 2005
3
Feb. 2006
4
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Revision History
MC33078
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