LM2904W STMicroelectronics, LM2904W Datasheet

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LM2904W

Manufacturer Part Number
LM2904W
Description
Low Power Dual Operational Amplifier
Manufacturer
STMicroelectronics
Datasheet

Specifications of LM2904W

Large Dc Voltage Gain
100 dB
Wide Bandwidth (unity Gain)
1.1 MHz (temperature compensated)
Low Input Bias Current
20 nA (temperature compensated)
Low Input Offset Current
2 nA
Esd Internal Protection
2 kV

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Features
Description
This circuit consists of two independent, high
gain, internally frequency compensated
operational amplifiers, designed specifically for
automotive and industrial control system. It
operates from a single power supply over a wide
range of voltages. The low power supply drain is
independent of the magnitude of the power supply
voltage.
Application areas include transducer amplifiers,
DC gain blocks and all the conventional op-amp
circuits which now can be more easily
implemented in single power supply systems. For
example, these circuits can be directly supplied
from standard +5 V which is used in logic systems
and will easily provide the required interface
electronics without requiring any additional power
supply.
In linear mode the input common-mode voltage
range includes ground and the output voltage can
also swing to ground, even though operated from
a single power supply.
February 2011
Internally frequency compensated
Large DC voltage gain: 100 dB
Wide bandwidth (unity gain): 1.1 MHz
(temperature compensated)
Very low supply current/op (500 µA)
Low input bias current: 20 nA (temperature
compensated)
Low input offset current: 2 nA
Input common-mode voltage range includes
negative rail
Differential input voltage range equal to the
power supply voltage
Large output voltage swing 0V to (V
ESD internal protection: 2 kV
CC
+
- 1.5 V)
Doc ID 9893 Rev 9
Low power dual operational amplifier
(Thin shrink small outline package)
Pin connections (top view)
(Plastic micropackage)
(Plastic package)
TSSOP8
DIP8
SO-8
N
D
P
LM2904W
www.st.com
1/20
20

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LM2904W Summary of contents

Page 1

... February 2011 Low power dual operational amplifier (Plastic micropackage 1 (Thin shrink small outline package) Pin connections (top view) Doc ID 9893 Rev 9 LM2904W N DIP8 (Plastic package) D SO-8 P TSSOP8 www.st.com 1/20 20 ...

Page 2

... Schematic diagram 1 Schematic diagram Figure 1. Schematic diagram (1/2 LM2904W) 2/20 Doc ID 9893 Rev 9 LM2904W ...

Page 3

... LM2904W 2 Absolute maximum ratings and operating conditions Table 1. Absolute maximum ratings (AMR) Symbol (1) V Supply voltage CC V Differential input voltage id V Input voltage in Output short-circuit duration (4) I Input current in T Storage temperature range stg T Maximum junction temperature j Thermal resistance junction to ambient ...

Page 4

... Absolute maximum ratings and operating conditions Table 2. Operating conditions Symbol V Supply voltage CC Common mode input voltage range V icm ≤ T ≤ min amb max T Operating free-air temperature range oper 4/20 Parameter Doc ID 9893 Rev 9 LM2904W Value Unit 1 -40 to +125 °C ...

Page 5

... LM2904W 3 Electrical characteristics + - Table 5V Symbol (1) Input offset voltage V io ≤ T ≤ min amb max DV Input offset voltage drift io Input offset current I io ≤ T ≤ min amb max DI Input offset current drift io (2) Input bias current I ib ≤ ...

Page 6

... Typically, this can be detected because this type of capacitance increases at higher frequencies. 6/20 = Ground 1.4V 25°C (unless otherwise specified) O amb Parameter = 2kΩ 10mV 100pF 2kΩ 30V 30V CC + < < V < 1 Doc ID 9893 Rev 9 LM2904W Min. Typ. Max. Unit 0.7 1.1 MHz 0.02 55 nV/ 120 % √ ...

Page 7

... LM2904W Figure 2. Open loop frequency response 140 0.1 μ F 120 100 30V & -55°C T amb + 15V & -55°C T amb +125°C 0 1.0 10 100 1k 10k FREQUENCY (Hz) Figure 4. Voltage follower pulse response Figure 6 ...

Page 8

... V Figure 12. Voltage gain 160 120 POSITIVE SUPPLY VOLTAGE (V) 8/20 Figure Figure 11. Supply current t V Figure 13. Input current versus supply voltage R = 20k Ω Ω Doc ID 9893 Rev 9 LM2904W Current limiting ...

Page 9

... LM2904W Figure 14. Gain bandwidth product P Figure 16. Common mode rejection ratio P Figure 15. Power supply rejection ratio Figure 17. Phase margin vs capacitive load Phase Margin at Vcc=15V and Vicm=7.5V Vs. Iout and Capacitive load value Doc ID 9893 Rev 9 Electrical characteristics P 9/20 ...

Page 10

... Electrical characteristics Typical single-supply applications Figure 18. AC coupled inverting amplifier Figure 20. Non-inverting DC gain Figure 22. High input Z, DC differential amplifier 10/20 Figure 19. AC coupled non-inverting amplifier Figure 21. DC summing amplifier Figure 23. Using symmetrical amplifiers to reduce input current Doc ID 9893 Rev 9 LM2904W ...

Page 11

... LM2904W Figure 24. Low drift peak detector Figure 25. Active bandpass filter Doc ID 9893 Rev 9 Electrical characteristics 11/20 ...

Page 12

... ESD diodes added to the initial macromodel (2007). ** CONNECTIONS : * 1 INVERTING INPUT * 2 NON-INVERTING INPUT * 3 OUTPUT * 4 POSITIVE POWER SUPPLY * 5 NEGATIVE POWER SUPPLY .SUBCKT LM2904W *************************** .MODEL MDTH D IS=1E-8 KF=3.104131E-15 CJO=10F D1A 1 4 MDTH 400E-12 D1B 5 1 MDTH 400E-12 D2A 2 4 MDTH 400E-12 D2B 5 2 MDTH 400E-12 * INPUT STAGE CIP ...

Page 13

... LM2904W DINR 15 18 MDTH 400E-12 VIP 4 18 2.000000E+00 FCP 4 5 VOFP 3.400000E+01 FCN 5 4 VOFN 3.400000E+01 FIBP 2 5 VOFN 2.000000E-03 FIBN 5 1 VOFP 2.000000E-03 * AMPLIFYING STAGE FIP 5 19 VOFP 3.600000E+02 FIN 5 19 VOFN 3.600000E+02 RG1 19 5 3.652997E+06 RG2 19 4 3.652997E+ 6.000000E-09 ...

Page 14

... Package information 5 Package information 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 trademark. 14/20 Doc ID 9893 Rev 9 LM2904W ® ...

Page 15

... LM2904W 5.1 SO-8 package information Figure 26. SO-8 package mechanical drawing Table 4. SO-8 package mechanical data Ref ccc Dimensions Millimeters Min. Typ. Max. 1.75 0.10 0.25 1.25 0.28 0.48 0.17 0.23 4.80 4.90 5.00 5.80 6.00 6.20 3.80 3.90 4.00 1.27 0.25 0.50 0.40 1.27 1.04 1° 8° 0.10 Doc ID 9893 Rev 9 Package information Inches Min. Typ. Max. 0.069 0.004 0.010 0.049 0.011 0.019 ...

Page 16

... Millimeters Min. Typ. Max. 5.33 0.38 2.92 3.30 4.95 0.36 0.46 0.56 1.14 1.52 1.78 0.20 0.25 0.36 9.02 9.27 10.16 7.62 7.87 8.26 6.10 6.35 7.11 2.54 7.62 10.92 2.92 3.30 3.81 Doc ID 9893 Rev 9 LM2904W Inches Min. Typ. Max. 0.210 0.015 0.115 0.130 0.195 0.014 0.018 0.022 0.045 0.060 0.070 0.008 0.010 0.014 0.355 0.365 0.400 0.300 0.310 0.325 0.240 0.250 0.280 0.100 0.300 0.430 0.115 0.130 0.150 ...

Page 17

... LM2904W 5.3 TSSOP8 package information Figure 28. TSSOP8 package mechanical drawing Table 6. TSSOP8 package mechanical data Ref aaa Dimensions Millimeters Min. Typ. Max. 1.20 0.05 0.15 0.80 1.00 1.05 0.19 0.30 0.09 0.20 2.90 3.00 3.10 6.20 6.40 6.60 4.30 4.40 4.50 0.65 0° 8° 0.45 0.60 0.75 1 0.10 Doc ID 9893 Rev 9 Package information Inches Min. Typ. Max. 0.047 0.002 0.006 ...

Page 18

... LM2904WYD (1) LM2904WYDT (2) LM2904WYPT 1. Qualified and characterized according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 & Q 002 or equivalent. 2. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 & Q 002 or equivalent are on-going. 18/20 ...

Page 19

... PPAP references inserted in the datasheet see on page 18. ESD protection inserted in Table 1: Absolute maximum ratings (AMR) on page 3. Correction of error in AVD min. value see LM2904WYPT PPAP reference added in page 18. Information added in Table 1: Absolute maximum ratings (AMR) on page Minimum value of slew rate at 25°C and in temperature added in page 5. ...

Page 20

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 20/20 Please Read Carefully: © 2011 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 9893 Rev 9 LM2904W ...

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