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SGM8270-2XS8G

Public Made by Adom

by adom

SGMICRO Operational Amplifier, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SGM8270-2XS8G

SGMICRO · Operational Amplifier · SOIC-8

SGM8270-2XS8G from SGMICRO, in a SOIC-8. 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 OUTA output Output of amplifier A; the output swing is specified as 60 mV to 400 mV from the rails at 25°C with RL = 10 kΩ and 2 kΩ respectively at VS = ±18V, and short-circuit current is ±40 mA typical.
2 -INA input Inverting input of amplifier A; the input common-mode range extends from (-VS) - 0.1 V to (+VS) + 0.1 V.
3 +INA input Non-inverting input of amplifier A; the input common-mode range extends from (-VS) - 0.1 V to (+VS) + 0.1 V.
4 -VS power_in Negative power supply (or ground in single-supply operation); the device operates from ±1.65 V to ±18 V dual or 3.3 V to 36 V single supply, with absolute maximum supply voltage of 40 V.
5 +INB input Non-inverting input of amplifier B; the input common-mode range extends from (-VS) - 0.1 V to (+VS) + 0.1 V.
6 -INB input Inverting input of amplifier B; the input common-mode range extends from (-VS) - 0.1 V to (+VS) + 0.1 V.
7 OUTB output Output of amplifier B; the output swing is specified as 60 mV to 400 mV from the rails at 25°C with RL = 10 kΩ and 2 kΩ respectively at VS = ±18V, and short-circuit current is ±40 mA typical.
8 +VS power_in Positive power supply; the device operates from ±1.65 V to ±18 V dual or 3.3 V to 36 V single supply, with absolute maximum supply voltage of 40 V.

Key specifications

Parameter Value
Manufacturer SGMICRO
Package SOIC-8
Category Amplifiers/Comparators
Pins 8

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 1.2 2.8 mV VCM = 0V, +25℃ 3
Input Offset Voltage (Full temperature range) VOS 3 mV VCM = 0V, Full (-40℃ to +125℃) 3
Input Bias Current IB -300 10 300 pA VCM = 0V, +25℃ 3
Input Offset Current IOS -300 10 300 pA VCM = 0V, +25℃ 3
Maximum Input Difference Bias Current IIIDI 2 3 μA VS = ±18V, VID = ±18V, +25℃ 3
Maximum Input Difference Bias Current (Full temperature range) IIIDI 4 μA VS = ±18V, VID = ±18V, Full (-40℃ to +125℃) 3
Common Mode Rejection Ratio CMRR 96 105 dB VS = ±18V, (-VS) - 0.1V < VCM < (+VS) -1.5V, +25℃ 3
Common Mode Rejection Ratio (Full temperature range) CMRR 93 dB VS = ±18V, (-VS) - 0.1V < VCM < (+VS) -1.5V, Full (-40℃ to +125℃) 3
Common Mode Rejection Ratio CMRR 76 85 dB VS = ±18V, (-VS) - 0.1V < VCM < (+VS) + 0.1V, +25℃ 3
Common Mode Rejection Ratio (Full temperature range) CMRR 73 dB VS = ±18V, (-VS) - 0.1V < VCM < (+VS) + 0.1V, Full (-40℃ to +125℃) 3
Open-Loop Voltage Gain AOL 103 120 dB (-VS) + 0.2V < VOUT < (+VS) - 0.2V, RL = 10kΩ, +25℃ 3
Open-Loop Voltage Gain (Full temperature range) AOL 100 dB (-VS) + 0.2V < VOUT < (+VS) - 0.2V, RL = 10kΩ, Full (-40℃ to +125℃) 3
Open-Loop Voltage Gain AOL 100 120 dB (-VS) + 0.5V < VOUT < (+VS) - 0.5V, RL = 2kΩ, +25℃ 3
Open-Loop Voltage Gain (Full temperature range) AOL 87 dB (-VS) + 0.5V < VOUT < (+VS) - 0.5V, RL = 2kΩ, Full (-40℃ to +125℃) 3
Output Voltage Swing from Rail VOUT 60 80 mV VS = ±18V, RL = 10kΩ, +25℃ 3
Output Voltage Swing from Rail (Full temperature range) VOUT 110 mV VS = ±18V, RL = 10kΩ, Full (-40℃ to +125℃) 3
Output Voltage Swing from Rail VOUT 300 400 mV VS = ±18V, RL = 2kΩ, +25℃ 3
Output Voltage Swing from Rail (Full temperature range) VOUT 540 mV VS = ±18V, RL = 2kΩ, Full (-40℃ to +125℃) 3
Output Short-Circuit Current ISC -40 28 40 mA VS = ±18V, +25℃ 3
Operating Voltage Range VS 3.3 36 V Full (-40℃ to +125℃) 3
Quiescent Current IQ 1 1.24 mA IOUT = 0, +25℃ 3
Quiescent Current (Full temperature range) IQ 1.5 mA IOUT = 0, Full (-40℃ to +125℃) 3
Power Supply Rejection Ratio PSRR 106 120 dB VS = 3.3V to 36V, +25℃ 3
Power Supply Rejection Ratio (Full temperature range) PSRR 103 dB VS = 3.3V to 36V, Full (-40℃ to +125℃) 3
Supply Voltage (+VS to -VS) 40 V 2
Junction Temperature 150 ℃ 2
Storage Temperature Range -65 150 ℃ 2
Lead Temperature (Soldering) 260 ℃ Soldering, 10s 2
ESD Susceptibility MM 400 V MM 2
Operating Temperature Range -40 125 ℃ 2

CAD (KiCad official)

  • Symbol: SGM8270-2XS8G
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: sgm8270-2xs8g-etched.step / sgm8270-2xs8g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sgm8270-2xs8g.step / sgm8270-2xs8g.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: SGMICRO datasheet (11 pp, sha256 f918540e2c48207d, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF