LM2902 STMicroelectronics, LM2902 Datasheet

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LM2902

Manufacturer Part Number
LM2902
Description
Low power, bipolar op-amp
Manufacturer
STMicroelectronics
Datasheet

Specifications of LM2902

Wide Gain Bandwidth
1.3 MHz
Large Voltage Gain
100 dB
Very Low Supply Current Per Amplifier
375 μA
Low Input Bias Current
20 nA
Low Input Offset Current
2 nA
Single Supply
+3 V to +30 V
Dual Supplies
±1.5 V to ±15 V

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Features
Description
This circuit consists of four independent, high
gain, internally frequency compensated
operational amplifiers designed especially for
automotive and industrial control systems.
It operates from a single power supply over a wide
range of voltages. Operation from split power
supplies is also possible and the low power
supply current drain is independent of the
magnitude of the power supply voltage.
December 2007
Wide gain bandwidth: 1.3MHz
Input common-mode voltage range includes
negative rail
Large voltage gain: 100dB
Very low supply current per amp: 375µA
Low input bias current: 20nA
Low input offset current: 2nA
Wide power supply range:
– Single supply: +3V to +30V
– Dual supplies: ±1.5V to ±15V
Low power quad operational amplifier
Rev 5
(Thin shrink small outline package)
(Plastic micropackage)
(Plastic package)
TSSOP14
DIP14
SO-14
N
D
P
LM2902
www.st.com
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LM2902 Summary of contents

Page 1

... Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. December 2007 Low power quad operational amplifier DIP14 (Plastic package) (Plastic micropackage) TSSOP14 (Thin shrink small outline package) Rev 5 LM2902 N D SO-14 P 1/16 www.st.com 16 ...

Page 2

... Schematic diagram 1 Schematic diagram Figure 1. Schematic diagram (1/4 LM2902) Inverting input Non-inverting input Figure 2. Pin connections (top view) 2/16 6μA 4μ 100μ Q11 Q13 Q10 Q12 GND LM2902 Output ...

Page 3

... LM2902 2 Absolute maximum ratings 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 T Maximum junction temperature j (4) I Input current in T Storage temperature range stg Thermal resistance junction to ambient SO-14 R thja TSSOP14 DIP14 ...

Page 4

... Operating conditions 3 Operating conditions Table 2. Operating conditions Symbol V Supply voltage CC Common mode input voltage range V icm ≤ T ≤ min amb T Operating free-air temperature range oper 4/16 Parameter max LM2902 Value Unit 1 -40 to +125 °C ...

Page 5

... LM2902 4 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

... Due to the proximity of external components ensure stray capacitance does not cause coupling between these external parts. This typically can be detected as this type of capacitance increases at higher frequencies. 6/16 = Ground 1.4V 25°C (unless otherwise specified) o amb Parameter = 2kΩ 100pF 2kΩ 30V CC + < 1.5V LM2902 Min. Typ. Max. 1.3 0.015 40 120 Unit MHz % nV ----------- - Hz dB ...

Page 7

... LM2902 Figure 3. Input bias current vs. T Figure 5. Current limiting P Figure 7. Gain bandwidth product P P Figure 4. Input voltage range amb P Figure 6. Supply current Figure 8. Voltage follower pulse response Electrical characteristics Ω RL VCC = +15V ...

Page 8

... 450 400 +125°C 350 300 250 100k 1M 10M Figure 14. Output characteristics 100k Ω +15V - VO 2k Ω + 100k 50pF Input Output T amb = +25° TIME (μ LM2902 8 ...

Page 9

... LM2902 Figure 15. Input current P PP Figure 17. Power supply and common mode rejection ratio Figure 16. Voltage gain b Figure 18. Large signal voltage gain D V Electrical characteristics 160 R = 20k Ω L 120 Ω POSITIVE SUPPLY VOLTAGE ( 9/16 ...

Page 10

... R1 100k Ω R3 100k Ω 1/4 LM2902 1/4 LM2902 Gain adjust R5 100k Ω 100k Ω 100k Ω 1/4 LM2902 2R1 ] (e2 - e1) R2 LM2902 100k Ω ...

Page 11

... 1/4 3MΩ LM2902 Aux. amplifier for input I current compensation B 1.5MΩ Figure 26. Low drift peak detector R4 100k Ω LM2902 1/4 V LM2902 o * Polycarbonate or polyethylene e o Typical single-supply applications I B 1/4 I LM2902 B 1 μ 0.001 μ 929 I ...

Page 12

... Figure 28. DIP14 package mechanical drawing Table 4. DIP14 package mechanical data Ref 12/16 Millimeters Min. Typ. Max. 0.51 1.39 1.65 0.5 0.25 20 8.5 2.54 15.24 7.1 5.1 3.3 1.27 2.54 LM2902 ® Inches Min. Typ. Max. 0.020 0.055 0.065 0.020 0.010 0.787 0.335 0.100 0.600 0.280 0.201 0.130 0.050 0.100 ...

Page 13

... LM2902 6.2 SO-14 package information Figure 29. SO-14 package mechanical drawing Table 5. SO-14 package mechanical data Ref Dimensions Millimeters Min. Typ. Max. 1.75 0.1 0.2 1.65 0.35 0.46 0.19 0.25 0.5 8.55 8.75 5.8 6.2 1.27 7.62 3.8 4.0 4.6 5.3 0.5 1.27 0.68 Package information Inches Min. Typ. 0.003 0.013 0.007 0.019 45° (typ.) 0.336 0.228 0.050 0.300 0.149 ...

Page 14

... Min. Typ. Max. 1.2 0.05 0.15 0.8 1 1.05 0.19 0.30 0.09 0.20 4.9 5 5.1 6.2 6.4 6.6 4.3 4.4 4.48 0.65 BSC 0° 8° 0.45 0.60 0. Inches Min. Typ. 0.002 0.004 0.031 0.039 0.007 0.004 0.193 0.197 0.244 0.252 0.169 0.173 0.0256 BSC 0° 0.018 0.024 LM2902 Max. 0.047 0.006 0.041 0.012 0.0089 0.201 0.260 0.176 8° 0.030 ...

Page 15

... LM2902DT LM2902PT -40°C, +125°C (1) LM2902YD (1) LM2902YDT (2) LM2902YPT 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. ...

Page 16

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 16/16 Please Read Carefully: © 2007 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com LM2902 ...

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