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HT8631ARTZ

Public Made by Adom

by adom

HTCSEMI Operational Amplifier, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HT8631ARTZ

HTCSEMI · Operational Amplifier · SOT-23-5

HT8631ARTZ from HTCSEMI, in a SOT-23-5. 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 output Amplifier output, whose voltage range extends to within millivolts of each supply rail.
2 GND power_in Ground pin, connect to the most negative supply.
3 INP input Non-inverting amplifier input, voltage range from 0 to VDD.
4 INN input Inverting amplifier input, with the same voltage range as INP (0 to VDD).
5 VDD power_in Positive power supply, operating range 2.5V to 5.5V.

Key specifications

Parameter Value
Manufacturer HTCSEMI
Package SOT-23-5
Category Amplifiers
Pins 5

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 Supply Voltage VCC 2.5 5 5.5 V TA=+27℃, VDD=5V, VCM=VOUT=VDD/2, RL=10Kohm, CL=100pF 3
Input Offset Voltage VOS -3 0.6 3 mV TA=+27℃, VDD=5V, VCM=VOUT=VDD/2, RL=10Kohm, CL=100pF 3
Quiescent Current per Amplifier IQ 480 790 uA TA=+27℃, VDD=5V, VCM=VOUT=VDD/2, RL=10Kohm, CL=100pF 3
Common mode Input voltage Vin_cm 0 V upper limit printed as VDD-0.1 V 3
Power supply (absolute maximum) VDD 6 V 2
Operating ambient temperature (absolute maximum table) TA -40 125 ℃ 2
Storage Temperature TSTG -65 150 ℃ 2
Power supply (recommended) VDD 2.5 5.5 V 2
Operating ambient temperature TA -40 125 ℃ 2
Input Offset voltage Temp Drift VOS_TC 4 µV/℃ 3
Input Voltage Noise Density en 25 nV/√Hz f=1KHz 3
Input Capacitance Differential CIN 1.5 pF Differential 3
Input Capacitance Common Mode CIN 3 pF Common Mode 3
Output Current Iout 50 mA 3
Output Voltage from supply Swing VOL 10 mV 3
Common Mode Rejection Ratio CMRR 100 dB 3
Output short-circuit current ISC 80 mA 3
Phase Margin PM 65 ° 3
Gain Margin GM -10 dB 3
Gain-Bandwidth Product GBWP 6 MHz 3
Power supply rejection ratio PSRR 100 dB 1Hz 3
Power supply rejection ratio PSRR 72 dB 1KHz 3
Settling time ts 0.46 µs 1.5V to 3.5V, Unity Gain: 0.1% 3
Slew Rate SR 3.7 µs 3
Total Harmonic Distortion and Noise THD+Noise 0.0007 % f=1KHz 3

CAD (KiCad official)

  • Symbol: HT8631ARTZ
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: ht8631artz-etched.step / ht8631artz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht8631artz.step / ht8631artz.glb are the bare package body.

Provenance

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

  • Datasheet: HTCSEMI datasheet (12 pp, sha256 9988259bb4d21bc0, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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