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AD8551M

Public Made by Adom

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HGSEMI Precision Op Amps, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AD8551M

HGSEMI · Precision Op Amps · SOP-8

AD8551M from HGSEMI, 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 NC unconnected No connect pin; not internally connected per the AD8551 SOP-8 pin diagram.
2 INA- input Inverting input of the amplifier; input common-mode range extends from VSS-0.1V to VDD+0.1V.
3 INA+ input Non-inverting input of the amplifier; input common-mode range extends from VSS-0.1V to VDD+0.1V.
4 VSS power_in Negative supply, ground in single-supply operation; supply range VDD to VSS is 1.8V to 5.5V.
5 NC unconnected No connect pin; not internally connected per the AD8551 SOP-8 pin diagram.
6 OUT output Rail-to-rail amplifier output.
7 VDD power_in Positive supply, 1.8V to 5.5V single supply; bypass with a 0.1µF ceramic capacitor close to the pin.
8 NC unconnected No connect pin; not internally connected per the AD8551 SOP-8 pin diagram.

Key specifications

Parameter Value
Manufacturer HGSEMI
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
Input Offset Voltage (VOS) VOS 1 30 µV 4
Input Offset Voltage Drift (ΔVOS/ΔT) ΔVOS/ΔT 10 50 nV/℃ 4
Power Supply Voltage (single supply, recommended operating range) VDD 1.8 5.5 V Single supply, 1.8V to 5.5V 7
Input Common-Mode Voltage Range (beyond supply rails) VCM -0.1 0.1 V Min referenced to VSS, max referenced to VDD (VSS-0.1V to VDD+0.1V) 7
Power Supply Voltage (VDD to Vss) VDD -0.5 7.5 V VDD to Vss 3
Analog Input Voltage (IN+ or IN-) VIN -0.5 0.5 V Min referenced to Vss (Vss-0.5V), max referenced to VDD (VDD+0.5V) 3
PDB Input Voltage PDB -0.5 7 V Min referenced to Vss (Vss-0.5V), max +7V 3
Operating Temperature Range TA -40 85 °C 3
Junction Temperature TJ 160 °C 3
Storage Temperature Range TSTG -55 150 °C 3
Lead Temperature (soldering) 260 °C Soldering, 10 sec 3
ESD Susceptibility HBM 6 KV HBM 3
ESD Susceptibility MM 400 V MM 3
Input Bias Current (IB) IB 20 pA 4
Input Offset Current (IOS) IOS 10 pA 4
Common-Mode Rejection Ratio (CMRR) CMRR 110 dB VCM = 0V to 5V 4
Large Signal Voltage Gain (AVO) AVO 145 dB RL = 10kΩ, VO = 0.3V to 4.7V 4
Output Voltage High (VOH) VOH 4.998 V RL = 100kΩ to -VS 4
Output Voltage High (VOH) VOH 4.994 V RL = 10kΩ to -VS 4
Output Voltage Low (VOL) VOL 2 mV RL = 100kΩ to +VS 4
Output Voltage Low (VOL) VOL 5 mV RL = 10kΩ to +VS 4
Short Circuit Limit (ISC) ISC 60 mA RL = 10Ω to -VS 4
Output Current (IO) IO 65 mA 4
Power Supply Rejection Ratio (PSRR) PSRR 115 dB VS = 2.5V to 5.5V 4
Quiescent Current (IQ) IQ 180 µA VO = 0V, RL = 0Ω 4
Gain-Bandwidth Product (GBP) GBP 1.8 MHz G = +100 4
Slew Rate (SR) SR 0.95 V/µs RL = 10kΩ 4
Overload Recovery Time 0.1 ms 4
Voltage Noise (en p-p) en p-p 0.3 µVP-P 0Hz to 10Hz 4
Voltage Noise Density (en) en 38 nV Hz f = 1kHz 4
Package Thermal Resistance, junction to ambient (SOP-8) θJA 125 °C/W SOP-8, TA = +25℃ 3

CAD (KiCad official)

  • Symbol: AD8551M
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: ad8551m-etched.step / ad8551m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ad8551m.step / ad8551m.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (14 pp, sha256 cc410ba754d21631, retrieved 2026-10-18, 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