LM2902W STMicroelectronics, LM2902W Datasheet

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LM2902W

Manufacturer Part Number
LM2902W
Description
Low power quad operational amplifier
Manufacturer
STMicroelectronics
Datasheet

Specifications of LM2902W

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
Esd Internal Protection
800 V
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.
The device 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.
All the pins are protected against electrostatic
discharges up to 800 V.
February 2012
Wide gain bandwidth: 1.3 MHz
Input common-mode voltage range includes
negative rail
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
ESD internal protection: 800 V
Wide power supply range
Single supply: +3 V to +30 V
Dual supplies: ±1.5 V to ±15 V
Doc ID 9922 Rev 8
Low-power quad operational amplifier
(Thin shrink small outline package)
Pin connections (top view)
(Plastic micropackage)
(Plastic package)
TSSOP14
SO-14
DIP14
N
D
P
LM2902W
www.st.com
1/17
17

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LM2902W Summary of contents

Page 1

... All the pins are protected against electrostatic discharges up to 800 V. February 2012 Low-power quad operational amplifier (Plastic package) (Plastic micropackage) (Thin shrink small outline package) Pin connections (top view) Doc ID 9922 Rev 8 LM2902W N DIP14 D SO-14 P TSSOP14 1/17 www.st.com 17 ...

Page 2

... Operating free-air temperature range oper 2/17 Parameter (1) (2) (3) (3) (4) (5) (6) + can cause excessive heating and potential destruction. The CC Parameter ≤ T ≤ T amb max Doc ID 9922 Rev 8 LM2902W Value Unit ± Infinite 50 mA -65 to +150 °C 105 °C/W 100 ...

Page 3

... LM2902W 2 Circuit schematics Figure 1. Schematic diagram (1/4 LM2902) Doc ID 9922 Rev 8 Circuit schematics 3/17 ...

Page 4

... T = +25°C, amb ≤ T ≤ min amb max = 2kΩ 5V +25°C amb ≤ T ≤ min amb max Doc ID 9922 Rev 8 LM2902W Min. Typ. Max. Unit µV/° 200 pA/°C 20 150 nA 300 ...

Page 5

... LM2902W + - Table ground (unless otherwise stated) (continued) Symbol Parameter V Low level output voltage OL SR Slew rate GBP Gain bandwidth product THD Total harmonic distortion e Equivalent input noise voltage n ( Channel separation 1 Ω < ...

Page 6

... Input bias current vs. T Figure 4. Current limiting P Figure 6. Gain bandwidth product P P 6/17 Figure 3. Input voltage range amb P Figure 5. Supply current Figure 7. Voltage follower pulse response ( Doc ID 9922 Rev 8 LM2902W Ω RL VCC = +15V ...

Page 7

... LM2902W Figure 8. Common-mode rejection ratio 120 100 80 100 Ω 100 Ω 100kΩ 10K 100 1K FREQUENCY (Hz) Figure 10. Open-loop frequency response 140 0.1 μ F 120 100 30V & -55°C T amb + 15V & -55°C T amb +125° ...

Page 8

... Electrical characteristics Figure 14. Input current P PP Figure 16. Power supply and common-mode rejection ratio 8/17 Figure 15. Voltage gain b Figure 17. Large signal voltage gain Doc ID 9922 Rev 8 160 R = 20k Ω L 120 Ω POSITIVE SUPPLY VOLTAGE ( LM2902W 30 ...

Page 9

... LM2902W 4 Typical single-supply applications Figure 18. AC coupled inverting amplifier R f 100 kΩ (as shown A = -10 kΩ 1/4 LM2902 R B 6.2 kΩ 100 kΩ 100 kΩ μF Figure 20. Non-inverting DC gain 10 k Ω e 1/4 O LM2902 R2 1 MΩ kΩ ...

Page 10

... LM2902 Aux. amplifier for input I current compensation B 1.5 MΩ 10/17 Figure 25. Low drift peak detector R4 100 kΩ 1/4 LM2902 1/4 V LM2902 o * Polycarbonate or polyethylene e o Doc ID 9922 Rev 8 LM2902W I B 1/4 I LM2902 μ 929 0.001 μ 1/4 3R LM2902 1 MΩ ...

Page 11

... LM2902W 5 Macromodel An accurate macromodel of the LM2902W is available on STMicroelectronics’ web site at www.st.com. This model is a trade-off between accuracy and complexity (that is, time simulation) of the LM2902W operational amplifiers. It emulates the nominal performances of a typical device within the specified operating conditions mentioned in the datasheet. It also helps to validate a design approach and to select the right operational amplifier, but it does not replace on-board measurements ...

Page 12

... Figure 27. DIP14 package mechanical drawing Table 4. DIP14 package mechanical data Ref 12/17 Dimensions 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 Doc ID 9922 Rev 8 LM2902W 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

... LM2902W 6.2 SO-14 package information Figure 28. 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 Doc ID 9922 Rev 8 Package information Inches Min. Typ. 0.003 0.013 0.007 0.019 45° (typ.) 0.336 0.228 ...

Page 14

... BSC 0° 8° 0.45 0.60 0.75 Doc ID 9922 Rev 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 LM2902W Max. 0.047 0.006 0.041 0.012 0.0089 0.201 0.260 0.176 8° 0.030 ...

Page 15

... LM2902W 7 Ordering information Table 7. Order codes Order code LM2902WN LM2902WD/DT (1) LM2902WDT (1) LM2902AWDT LM2902WPT (1) LM2902WYPT (1) LM2902AWYPT 1. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 & Q 002 or equivalent. Temperature Package range DIP14 SO-14 SO-14 (Automotive grade level) SO-14 -40°C to +125°C ...

Page 16

... Initial release. Table data reformatted for easier use in page 4. 2 Minor grammatical and formatting changes throughout. LM2902WYPT PPAP reference inserted in order codes table, see 3 Section 7 on page 15. Minimum value of slew rate at 25°C and on full temperature range 4 added in Table 3 on page Corrected document title to “ ...

Page 17

... LM2902W Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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