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LM837MX
Public Made by Adomby adom
Texas Instruments Operational Amplifier, SOIC-14. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLM837MX
Texas Instruments · Operational Amplifier · SOIC-14
LM837MX from Texas Instruments, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OUT1 | output | Output of amplifier 1; can drive loads >600 Ω, output swing ±12 V min (RL = 2 kΩ, VS = ±15 V), short-circuit current ±40 mA typ. |
| 2 | IN1- | input | Inverting input of amplifier 1; input noise 4.5 nV/√Hz typ at 1 kHz, common-mode range ±12 V min (VS = ±15 V). |
| 3 | IN1+ | input | Non-inverting input of amplifier 1; input noise 4.5 nV/√Hz typ at 1 kHz, common-mode range ±12 V min (VS = ±15 V). |
| 4 | VCC | power_in | Positive power supply rail; absolute maximum ±18 V (dual supply), typical operating ±15 V. |
| 5 | IN2+ | input | Non-inverting input of amplifier 2; input noise 4.5 nV/√Hz typ at 1 kHz, common-mode range ±12 V min (VS = ±15 V). |
| 6 | IN2- | input | Inverting input of amplifier 2; input noise 4.5 nV/√Hz typ at 1 kHz, common-mode range ±12 V min (VS = ±15 V). |
| 7 | OUT2 | output | Output of amplifier 2; can drive loads >600 Ω, output swing ±12 V min (RL = 2 kΩ, VS = ±15 V), short-circuit current ±40 mA typ. |
| 8 | OUT3 | output | Output of amplifier 3; can drive loads >600 Ω, output swing ±12 V min (RL = 2 kΩ, VS = ±15 V), short-circuit current ±40 mA typ. |
| 9 | IN3- | input | Inverting input of amplifier 3; input noise 4.5 nV/√Hz typ at 1 kHz, common-mode range ±12 V min (VS = ±15 V). |
| 10 | IN3+ | input | Non-inverting input of amplifier 3; input noise 4.5 nV/√Hz typ at 1 kHz, common-mode range ±12 V min (VS = ±15 V). |
| 11 | VEE | power_in | Negative power supply rail; absolute maximum ±18 V (dual supply), typical operating −15 V. |
| 12 | IN4+ | input | Non-inverting input of amplifier 4; input noise 4.5 nV/√Hz typ at 1 kHz, common-mode range ±12 V min (VS = ±15 V). |
| 13 | IN4- | input | Inverting input of amplifier 4; input noise 4.5 nV/√Hz typ at 1 kHz, common-mode range ±12 V min (VS = ±15 V). |
| 14 | OUT4 | output | Output of amplifier 4; can drive loads >600 Ω, output swing ±12 V min (RL = 2 kΩ, VS = ±15 V), short-circuit current ±40 mA typ. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | 0.3 | 5 | mV | RS = 50Ω | 2 | |
| Input Offset Current | IOS | 10 | 200 | nA | 2 | ||
| Input Bias Current | IB | 500 | 1000 | nA | 2 | ||
| Large Signal Voltage Gain | AV | 90 | 110 | dB | RL = 2 kΩ, VOUT = ±10V | 2 | |
| Output Voltage Swing | VOM | 12 | 13.5 | V | RL = 2 kΩ | 2 | |
| Output Voltage Swing | VOM | 10 | 12.5 | V | RL = 600Ω | 2 | |
| Common Mode Input Voltage | VCM | 12 | 14 | V | 2 | ||
| Common Mode Rejection Ratio | CMRR | 80 | 100 | dB | VIN = ±12V | 2 | |
| Power Supply Rejection Ratio | PSRR | 80 | 100 | dB | VS = 15 ∼ 5, −15 ∼ −5 | 2 | |
| Power Supply Current | IS | 10 | 15 | mA | RL = ∞, Four Amps | 2 | |
| Slew Rate | SR | 8 | 10 | V/μs | RL = 600Ω | 2 | |
| Gain Bandwidth Product | GBW | 15 | 25 | MHz | f = 100 kHz, RL = 600Ω | 2 | |
| Supply Voltage | VCC/VEE | 18 | V | 2 | |||
| Differential Input Voltage | VID | 30 | V | 2 | |||
| Common Mode Input Voltage | VIC | 15 | V | 2 | |||
| Power Dissipation (M, SOIC) | PD | 830 | mW | LM837M package | 2 | ||
| Operating Temperature Range | TOPR | -40 | 85 | °C | 2 | ||
| Storage Temperature Range | TSTG | -60 | 150 | °C | 2 | ||
| SOIC Vapor Phase Soldering | 215 | °C | 60 seconds | 2 | |||
| SOIC Infrared Soldering | 220 | °C | 15 seconds | 2 | |||
| Maximum Junction Temperature | 150 | °C | Used for derating above 25°C ambient | 2 | |||
| Thermal Resistance, Junction to Ambient (LM837M) | 150 | °C/W | LM837M | 2 |
CAD (KiCad official)
- Symbol:
LM837MX - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
lm837mx-etched.step/lm837mx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm837mx.step/lm837mx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (17 pp, sha256
266737ff53920750, retrieved 2026-10-20, tier: lcsc) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).