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RS8422XK

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

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Contents

README

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RS8422XK

Jiangsu RUNIC Tech · Operational Amplifier · SOP-8

RS8422XK from Jiangsu RUNIC Tech, in a SOP-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 channel A; the datasheet states the rail-to-rail output swing and a continuous short-circuit rating (one amplifier per package).
2 -INA input Inverting input of channel A; input signals more than 0.5V beyond the supply rails should be current-limited to 10mA or less.
3 +INA input Noninverting input of channel A; the input common-mode range extends from the negative rail to 2V below the positive rail.
4 V- power_in Negative (lowest) power supply or ground for single-supply operation; supply range is 4.4V to 36V single-supply or ±2.2V to ±18V dual-supply.
5 +INB input Noninverting input of channel B; the input common-mode range extends from the negative rail to 2V below the positive rail.
6 -INB input Inverting input of channel B; input signals more than 0.5V beyond the supply rails should be current-limited to 10mA or less.
7 OUTB output Output of channel B; the datasheet states the rail-to-rail output swing and a continuous short-circuit rating (one amplifier per package).
8 V+ power_in Positive (highest) power supply; absolute maximum supply voltage (V+)-(V-) is 36V.

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
Package SOP-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
Supply voltage, Vs=(V+)-(V-) -0.7 36 V Over operating free-air temperature range 6
Signal input pin current -10 10 mA 6
Signal output pin current -100 100 mA 6
Operating range, TA TA -40 125 °C 6
Junction, TJ TJ 150 °C 6
Storage, Tstg Tstg -55 150 °C 6
Electrostatic discharge, Human-body model (HBM) V(ESD) -5000 5000 V HBM 6
Electrostatic discharge, Machine Model (MM) V(ESD) -200 200 V MM 6
Single-supply operating voltage Vs 4.4 36 V Single supply, Vs=(V+)-(V-) 6
Dual-supply operating voltage Vs 2.2 18 V Dual supply, printed as ±2.2 V to ±18 V 6
Operating Voltage Range Vs 4.4 36 V TJ = 25C 8
Input Offset Voltage Vos -3 0.9 3 mV VCM = VS/2, 25C 8
Input Offset Voltage Vos -1.4 1.4 mV -40C to 125C 8
Input Bias Current IB 10 60 pA VCM=0V, 25C 8
Input Bias Current IB 600 pA VCM=0V, -40C to 125C 8
Input Offset Current IOS 10 60 pA VCM=0V, 25C 8
Input Offset Current IOS 600 pA VCM=0V, -40C to 125C 8
Quiescent Current/Amplifier IQ 1.8 2.8 mA Vs=±2.5V, Io=0mA, 25C 8
Quiescent Current/Amplifier IQ 2 3 mA Vs=±18V, Io=0mA, 25C 8
Power-Supply Rejection Ratio PSRR 102 120 dB Vs=4.4V to 36V, 25C 8
Common-Mode Rejection Ratio CMRR 70 110 dB Vs=±2.5V, VCM=(V-) to (V+)-2V, 25C 8
Common-Mode Rejection Ratio CMRR 70 dB Vs=±18V, VCM=(V-) to (V+)-2V, 25C 8
Open-Loop Voltage Gain AOL 88 100 dB RL=10KΩ, Vo=(V-)+0.5V to (V+)-0.5V, 25C 8
Open-Loop Voltage Gain AOL 90 dB RL=10KΩ, Vo=(V-)+0.5V to (V+)-0.5V, -40C to 125C 8
Capacitive load drive CLOAD 100 pF 25C 8
Input Offset Voltage Average Drift Vos Tc 5 uV/C -40C to 125C 8
Output Swing (high) VOH 17.85 V Vs=±18V, RL=10KΩ, 25C 8
Output Swing (low) VOL -17.85 V Vs=±18V, RL=10KΩ, 25C 8
Short-circuit current ISC 90 mA VS=36V, Vo=0V, 25C 8
Slew Rate SR 3 V/us G=+1, CL=100pF, 25C 8
Gain-Bandwidth Product GBW 5 MHz 25C 8
Setting Time, 0.01% ts 1 us VS=±2.5V, G=+1, CL=100pF, Step=2V, 25C 8
Overload Recovery Time tOR 1.5 us VIN·Gain≥VS, G=11, 25C 8
Turn On Time tON 10 us 25C 8
Input Voltage Noise En 7.5 uVpp f = 0.1Hz to 10Hz, Vs=±2.5V, 25C 8
Junction-to-ambient thermal resistance RϴJA 124.7 °C/W SOIC-8 package 6
Junction-to-case(top) thermal resistance RϴJC(top) 66.9 °C/W SOIC-8 package 6
Junction-to-board thermal resistance RϴJB 67.9 °C/W SOIC-8 package 6
Junction-to-top characterization parameter ѰJT 19.2 °C/W SOIC-8 package 6
Junction-to-board characterization parameter ѰJB 67.2 °C/W SOIC-8 package 6

CAD (KiCad official)

  • Symbol: RS8422XK
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: rs8422xk-etched.step / rs8422xk-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs8422xk.step / rs8422xk.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 d5982eec7333ab2b, retrieved 2026-10-15, 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