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RS222XM

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Jiangsu RUNIC Tech Operational Amplifier, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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RS222XM

Jiangsu RUNIC Tech · Operational Amplifier · MSOP-8

RS222XM from Jiangsu RUNIC Tech, in a MSOP-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 OUT A output Amplifier A rail-to-rail output.
2 -IN A input Amplifier A inverting input, rail-to-rail with common-mode range -0.1V to 5.6V at Vs=5.5V.
3 +IN A input Amplifier A non-inverting input, rail-to-rail with common-mode range -0.1V to 5.6V at Vs=5.5V.
4 V- power_in Negative supply (ground in single-supply use); supply range V+ to V- is 2.5V to 5.5V, absolute maximum 7.0V.
5 +IN B input Amplifier B non-inverting input, rail-to-rail with common-mode range -0.1V to 5.6V at Vs=5.5V.
6 -IN B input Amplifier B inverting input, rail-to-rail with common-mode range -0.1V to 5.6V at Vs=5.5V.
7 OUT B output Amplifier B rail-to-rail output.
8 V+ power_in Positive supply, 2.5V to 5.5V; place a 0.1uF capacitor closely across the supply pins.

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
Package MSOP-8
Category Amplifiers
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
Operating Voltage Range Vs 2.5 5.5 V 25C 3
Quiescent Current/Amplifier IQ 18 32 uA 25C 3
Power-Supply Rejection Ratio PSRR 73 90 dB Vs=2.5V to 5.5V, Vcm=(V-)+0.5V, 25C 3
Power-Supply Rejection Ratio PSRR 67 dB Vs=2.5V to 5.5V, Vcm=(V-)+0.5V, -40C to 125C 3
Input Offset Voltage Vos 0.8 3.5 mV 25C 3
Input Bias Current IB 1 10 pA 25C 3
Input Offset Current Ios 1 10 pA 25C 3
Common-Mode Voltage Range Vcm -0.1 5.6 V Vs= 5.5V, 25C 3
Common-Mode Rejection Ratio CMRR 74 90 dB Vs= 5.5V, Vcm=-0.1V to 4V, 25C 3
Common-Mode Rejection Ratio CMRR 70 dB Vs= 5.5V, Vcm=-0.1V to 4V, -40C to 125C 3
Common-Mode Rejection Ratio CMRR 62 75 dB Vs= 5.5V, Vcm=-0.1V to 5.6V, 25C 3
Common-Mode Rejection Ratio CMRR 60 dB Vs= 5.5V, Vcm=-0.1V to 5.6V, -40C to 125C 3
Open-Loop Voltage Gain AOL 88 98 dB RL=2KΩ, Vo=0.15V to 4.85V, 25C 3
Open-Loop Voltage Gain AOL 82 dB RL=2KΩ, Vo=0.15V to 4.85V, -40C to 125C 3
Open-Loop Voltage Gain AOL 92 110 dB RL=10KΩ, Vo=0.05V to 4.95V, 25C 3
Open-Loop Voltage Gain AOL 88 dB RL=10KΩ, Vo=0.05V to 4.95V, -40C to 125C 3
Input Terminals Voltage -0.5 0.5 V -0.5 to (V+) + 0.5V 2
Input Terminals Current -10 10 mA 2
Storage Temperature -65 150 °C 2
Operating Temperature -40 125 °C 2
Junction Temperature 150 °C 2
Package Thermal Resistance 150 °C/W MSOP-10, SOIC-8, TA = +25°C 2
Output Swing From Rail 26 mV RL=2KΩ, 25C 3
Output Swing From Rail 6 mV RL=10KΩ, 25C 3
Input Offset Voltage Average Drift Vos TC 2.9 uV/C -40C to 125C 3
Output Current Source Iout 27 mA 25C 3
Slew Rate SR 0.18 V/us 25C 3
Gain-Bandwidth Product GBP 500 kHz 25C 3
Phase Margin PM 64 ° 25C 3
Setting Time, 0.1% ts 14 us 3
Overload Recovery Time 5 us VIN·Gain≥VS 3
Input Voltage Noise Density en 77 nV/√Hz f = 1KHz, 25C 3
Input Voltage Noise Density en 39 nV/√Hz f = 10KHz, 25C 3

CAD (KiCad official)

  • Symbol: RS222XM
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: rs222xm-etched.step / rs222xm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs222xm.step / rs222xm.glb are the bare package body.

Provenance

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

  • Datasheet: Jiangsu RUNIC Tech datasheet (15 pp, sha256 9f34a6fbb3b33366, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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