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GS8722-FR

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Gainsil Operational Amplifier, DFN-8(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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GS8722-FR

Gainsil · Operational Amplifier · DFN-8(2x2)

GS8722-FR from Gainsil, in a DFN-8(2x2). 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 Channel A amplifier output with rail-to-rail swing, typically within 15mV of the supply rail at 10kΩ load.
2 INA- input Channel A inverting input, with input common-mode range of VSS-0.1V to VDD+0.1V.
3 INA+ input Channel A non-inverting input, with input common-mode range of VSS-0.1V to VDD+0.1V.
4 VSS power_in Negative supply or ground; single-supply operation is 2.1V to 5.5V between VDD and VSS.
5 INB+ input Channel B non-inverting input, with input common-mode range of VSS-0.1V to VDD+0.1V.
6 INB- input Channel B inverting input, with input common-mode range of VSS-0.1V to VDD+0.1V.
7 OUTB output Channel B amplifier output with rail-to-rail swing, typically within 15mV of the supply rail at 10kΩ load.
8 VDD power_in Positive supply, 2.1V to 5.5V (absolute maximum 7.5V), bypassed with a 0.1μF ceramic capacitor placed close to the pin.

Key specifications

Parameter Value
Manufacturer Gainsil
Package DFN-8(2x2)
Category Operational Amplifier/Comparator
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 0.8 3.5 mV Vs=5V, TA=+25C, VCM=VS/2, RL=600Ω 3
Common Mode Rejection Ratio CMRR 65 82 dB VS = 5.5V, VCM = -0.1V to 4V 3
Common Mode Rejection Ratio CMRR 75 dB VS = 5.5V, VCM = -0.1V to 5.6V 3
Open-Loop Voltage Gain AOL 80 90 dB RL = 600Ω, VO = 0.15V to 4.85V 3
Open-Loop Voltage Gain AOL 108 dB RL = 10kΩ, VO = 0.05V to 4.95V 3
Output Current IOUT 55 70 mA 3
Operating Voltage Range VS 2.1 5.5 V 3
Power Supply Rejection Ratio PSRR 74 91 dB VS = +2.5V to +5.5V, VCM = (-VS) + 0.5V 3
Quiescent Current/Amplifier IQ 1.1 1.5 mA IOUT = 0 3
DISABLE Voltage-Off 0.8 V 3
DISABLE Voltage-On 2 V 3
Input Bias Current IB 1 pA 3
Input Offset Current IOS 1 pA 3
Input Offset Voltage Drift ΔVOS/ΔT 2.4 μV/℃ 3
Closed-Loop Output Impedance 7.5 Ω f = 100kHz, G = 1 3
Turn-On Time 1.1 μs 3
Turn-Off Time 0.3 μs 3
Gain-Bandwidth Product GBP 11 MHz RL = 10kΩ, CL = 100pF 4
Phase Margin φO 51 Degrees RL = 10kΩ, CL = 100pF 4
Slew Rate SR 9 V/μs G = +1, 2V Step, RL = 10kΩ 4
Voltage Noise Density en 8 nV/√Hz f = 10kHz 4
Power Supply Voltage (VDD to Vss) -0.5 7.5 V 2
Analog Input Voltage (IN+ or IN-) -0.5 0.5 V Vss-0.5V to VDD+0.5V (relative to supply rails) 2
Operating Temperature Range -40 125 °C 2
Junction Temperature 160 °C 2
Storage Temperature Range -55 150 °C 2
Lead Temperature 260 °C soldering, 10sec 2

CAD (KiCad official)

  • Symbol: GS8722-FR
  • Footprint: Package_DFN_QFN:DFN-8_2x2mm_P0.5mm
  • 3D model: DFN-8(2x2) (KiCad packages3D, STEP)
  • 3D model files: gs8722-fr-etched.step / gs8722-fr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gs8722-fr.step / gs8722-fr.glb are the bare package body.

Provenance

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

  • Datasheet: Gainsil datasheet (19 pp, sha256 44473aadb60a4bc4, retrieved 2026-10-22, 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