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Contents

README

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GS8554-TR

Gainsil · Precision Op Amps · TSSOP-14

GS8554-TR from Gainsil, in a TSSOP-14. 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 OUT1 output Output of amplifier 1; rail-to-rail output swing, VOH typ 4.998 V at RL=100 kΩ, VOL typ 2 mV, short-circuit current limit 60 mA.
2 IN1- input Inverting input of amplifier 1; input common-mode range VSS−0.1 V to VDD+0.1 V, input bias current 20 pA typ, offset current 10 pA typ.
3 IN1+ input Non-inverting input of amplifier 1; input common-mode range VSS−0.1 V to VDD+0.1 V, input bias current 20 pA typ, offset voltage 30 µV max.
4 VSS power_in Negative supply (GND in single-supply); supply range VDD−VSS = 1.8 V to 5.5 V; absolute maximum VDD to VSS = 7.5 V; bypass with 0.1 µF ceramic capacitor.
5 IN2+ input Non-inverting input of amplifier 2; input common-mode range VSS−0.1 V to VDD+0.1 V, input bias current 20 pA typ.
6 IN2- input Inverting input of amplifier 2; input common-mode range VSS−0.1 V to VDD+0.1 V, input bias current 20 pA typ.
7 OUT2 output Output of amplifier 2; rail-to-rail output swing, VOH typ 4.998 V at RL=100 kΩ, VOL typ 2 mV, short-circuit current limit 60 mA.
8 OUT3 output Output of amplifier 3; rail-to-rail output swing, VOH typ 4.998 V at RL=100 kΩ, VOL typ 2 mV, short-circuit current limit 60 mA.
9 IN3- input Inverting input of amplifier 3; input common-mode range VSS−0.1 V to VDD+0.1 V, input bias current 20 pA typ.
10 IN3+ input Non-inverting input of amplifier 3; input common-mode range VSS−0.1 V to VDD+0.1 V, input bias current 20 pA typ.
11 VDD power_in Positive supply; single supply 1.8 V to 5.5 V or dual ±0.9 V to ±2.75 V; quiescent current 180 µA per amplifier typ; bypass with 0.1 µF ceramic capacitor close to pin.
12 IN4+ input Non-inverting input of amplifier 4; input common-mode range VSS−0.1 V to VDD+0.1 V, input bias current 20 pA typ.
13 IN4- input Inverting input of amplifier 4; input common-mode range VSS−0.1 V to VDD+0.1 V, input bias current 20 pA typ.
14 OUT4 output Output of amplifier 4; rail-to-rail output swing, VOH typ 4.998 V at RL=100 kΩ, VOL typ 2 mV, short-circuit current limit 60 mA.

Key specifications

Parameter Value
Manufacturer Gainsil
Package TSSOP-14
Category Amplifiers/Comparators
Pins 14

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 1 30 µV 3
Input Offset Voltage Drift ΔVOS/ΔT 10 50 nV/℃ 3
Power Supply Voltage (VDD to Vss) VDD-VSS -0.5 7.5 V 2
PDB Input Voltage VPDB 7 V 2
Storage Temperature Range TSTG -55 150 °C 2
Operating Temperature Range TA -45 125 °C 2
Supply Voltage, single supply VS 1.8 5.5 V single supply operation 6
Junction Temperature TJ 160 °C 2
Lead Temperature TLEAD 260 °C soldering, 10sec 2
ESD Susceptibility HBM 6 KV HBM 2
ESD Susceptibility MM 400 V MM 2
Input Bias Current IB 20 pA 3
Input Offset Current IOS 10 pA 3
Common-Mode Rejection Ratio CMRR 110 dB VCM = 0V to 5V 3
Large Signal Voltage Gain AVO 145 dB RL = 10kΩ, VO = 0.3V to 4.7V 3
Output Voltage High VOH 4.998 V RL = 100kΩ to - VS 3
Output Voltage High VOH 4.994 V RL = 10kΩ to - VS 3
Output Voltage Low VOL 2 mV RL = 100kΩ to + VS 3
Output Voltage Low VOL 5 mV RL = 10kΩ to + VS 3
Short Circuit Limit ISC 60 mA RL =10Ω to - VS 3
Output Current IO 65 mA 3
Power Supply Rejection Ratio PSRR 115 dB VS = 2.5V to 5.5V 3
Quiescent Current IQ 180 µA VO = 0V, RL = 0Ω 3
Gain-Bandwidth Product GBP 1.8 MHz G = +100 3
Slew Rate SR 0.95 V/µs RL = 10kΩ 3
Overload Recovery Time 0.1 ms 3
Voltage Noise (en p-p) en p-p 0.3 µVP-P 0Hz to 10Hz 3
Voltage Noise Density en 38 nV / Hz f = 1kHz 3

CAD (KiCad official)

  • Symbol: GS8554-TR
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: gs8554-tr-etched.step / gs8554-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gs8554-tr.step / gs8554-tr.glb are the bare package body.

Provenance

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

  • Datasheet: Gainsil datasheet (14 pp, sha256 dc9b0f2b6cedff03, retrieved 2026-10-21, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF