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RS8551XM

Public Made by Adom

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

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RS8551XM

Jiangsu RUNIC Tech · Precision Op Amps · MSOP-8

RS8551XM 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 NC unconnected No internal connection; can be left floating.
2 -IN input Negative (inverting) input of the amplifier.
3 +IN input Positive (noninverting) input of the amplifier; common-mode range extends from (V-) - 0.1 V to (V+) + 0.1 V.
4 V- power_in Negative (lowest) power supply; supply range is 2.7 V to 5.5 V single-supply (VS = (V+) - (V-)).
5 NC unconnected No internal connection; can be left floating.
6 OUT output Amplifier output; absolute maximum output current is ±55 mA and output short-circuit is continuous.
7 V+ power_in Positive (highest) power supply; absolute maximum supply voltage is 7 V.
8 NC unconnected No internal connection; can be left floating.

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
Package MSOP-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 -5 1 5 uV VCM = VS/2 9
Input Offset Voltage Average Drift VOS TC -0.05 0.005 0.05 uV/°C 9
Power-Supply Rejection Ratio PSRR 110 130 dB VS= +2.7V to +5.5V, VCM= 0 9
Common-Mode Rejection Ratio CMRR 110 130 dB (V-) -0.1V < VCM < (V+)+ 0.1V 9
Open-Loop Voltage Gain AOL 110 130 dB RL=10KΩ, VO=0.3V to 4.7V, TA= -40°C to 125°C 9
Output Voltage High VOH 4.99 4.998 V RL=100 KΩ to GND 9
Output Voltage High VOH 4.95 4.98 V RL=10 KΩ to GND 9
Output Voltage Low VOL 1 10 mV RL=100 KΩ to V+ 9
Output Voltage Low VOL 10 30 mV RL=10 KΩ to V+ 9
Operating Voltage Range VS 2.7 5.5 V 9
Quiescent Current per Amplifier IQ 640 870 uA 9
Supply voltage, single-supply VS 2.7 5.5 V Single-supply, VS = (V+), (V-) 6
Supply voltage (absolute maximum) VS 7 V VS = (V+), (V-) 6
Signal input pin current -10 10 mA Signal input pin; input terminals diode-clamped 6
Signal output pin current -55 55 mA Signal output pin; output terminals diode-clamped 6
Operating free-air temperature range TA -40 125 °C 6
Junction temperature TJ -40 150 °C 6
Storage temperature Tstg -65 150 °C 6
Electrostatic discharge, Human-body model V(ESD) -5000 5000 V HBM 6
Electrostatic discharge, Machine model V(ESD) -400 400 V MM 6
Junction-to-ambient thermal resistance RθJA 165 °C/W RS8551 MSOP-8 package 6
Junction-to-case (top) thermal resistance RθJC (top) 53 °C/W RS8551 MSOP-8 package 6
Junction-to-board thermal resistance RθJB 87 °C/W RS8551 MSOP-8 package 6
Junction-to-top characterization parameter ΨJT 4.9 °C/W RS8551 MSOP-8 package 6
Junction-to-board characterization parameter ΨJB 85 °C/W RS8551 MSOP-8 package 6

CAD (KiCad official)

  • Symbol: RS8551XM
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: rs8551xm-etched.step / rs8551xm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs8551xm.step / rs8551xm.glb are the bare package body.

Provenance

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

  • Datasheet: Jiangsu RUNIC Tech datasheet (25 pp, sha256 e78f46ec6dc7a724, retrieved 2026-10-18, 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