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GS8634-TR
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Gainsil Operational Amplifier, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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gs8634-tr: specified limits as data (metadata.characteristics, 24 rows from the datasheet)
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GS8634-TR
Gainsil · Operational Amplifier · TSSOP-14
GS8634-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 | OUTA | output | Amplifier A output, rail-to-rail swing. |
| 2 | INA- | input | Amplifier A inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 3 | INA+ | input | Amplifier A non-inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 4 | VDD | power_in | Positive supply, 2.1V to 5.5V (absolute max 7.5V above VSS); bypass with a 0.1µF ceramic capacitor close to the pin. |
| 5 | INB+ | input | Amplifier B non-inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 6 | INB- | input | Amplifier B inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 7 | OUTB | output | Amplifier B output, rail-to-rail swing. |
| 8 | OUTC | output | Amplifier C output, rail-to-rail swing. |
| 9 | INC- | input | Amplifier C inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 10 | INC+ | input | Amplifier C non-inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 11 | VSS | power_in | Negative supply or ground; for dual-supply operation bypass with a separate 0.1µF ceramic capacitor. |
| 12 | IND+ | input | Amplifier D non-inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 13 | IND- | input | Amplifier D inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 14 | OUTD | output | Amplifier D output, rail-to-rail swing. |
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 | 3.5 | mV | TA = +25℃ | 4 | ||
| Input Offset Voltage | VOS | 3.9 | mV | TA = 0℃ to 70℃ | 4 | ||
| Input Offset Voltage | VOS | 4.3 | mV | TA = -40℃ to 85℃ | 4 | ||
| Input Offset Voltage | VOS | 4.6 | mV | TA = -40℃ to 125℃ | 4 | ||
| Output Current | IOUT | 49 | 53 | mA | TA = +25℃ | 4 | |
| Output Current | IOUT | 45 | mA | TA = 0℃ to 70℃ | 4 | ||
| Output Current | IOUT | 40 | mA | TA = -40℃ to 85℃ | 4 | ||
| Output Current | IOUT | 35 | mA | TA = -40℃ to 125℃ | 4 | ||
| Power Supply Rejection Ratio | PSRR | 74 | 91 | dB | VS = +2.5V to +5.5V, VCM = (-VS) + 0.5V, TA = +25℃ | 4 | |
| Power Supply Rejection Ratio | PSRR | 72 | dB | VS = +2.5V to +5.5V, VCM = (-VS) + 0.5V, TA = 0℃ to 70℃ | 4 | ||
| Power Supply Rejection Ratio | PSRR | 68 | dB | VS = +2.5V to +5.5V, VCM = (-VS) + 0.5V, TA = -40℃ to 125℃ | 4 | ||
| Quiescent Current per Amplifier | IQ | 470 | 650 | µA | IOUT = 0, TA = +25℃ | 4 | |
| Quiescent Current per Amplifier | IQ | 727 | µA | IOUT = 0, TA = 0℃ to 70℃ | 4 | ||
| Quiescent Current per Amplifier | IQ | 750 | µA | IOUT = 0, TA = -40℃ to 85℃ | 4 | ||
| Quiescent Current per Amplifier | IQ | 815 | µA | IOUT = 0, TA = -40℃ to 125℃ | 4 | ||
| Operating Voltage Range | 2.1 | 5.5 | V | 4 | |||
| Power Supply Voltage (VDD to Vss) | -0.5 | 7.5 | V | 2 | |||
| PDB Input Voltage | 7 | V | 2 | ||||
| Operating Temperature Range | TA | -40 | 125 | ℃ | 2 | ||
| Junction Temperature | TJ | 160 | ℃ | 2 | |||
| Storage Temperature Range | -55 | 150 | ℃ | 2 | |||
| Lead Temperature | 260 | ℃ | soldering, 10 sec | 2 | |||
| ESD Susceptibility HBM | HBM | 8 | KV | 2 | |||
| ESD Susceptibility MM | MM | 400 | V | 2 |
CAD (KiCad official)
- Symbol:
GS8634-TR - Footprint:
Package_SO:TSSOP-14_4.4x5mm_P0.65mm - 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files:
gs8634-tr-etched.step/gs8634-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);gs8634-tr.step/gs8634-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Gainsil datasheet (19 pp, sha256
c17e6fe6cae0310b, retrieved 2026-10-09, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).
# GS8634-TR
**Gainsil** · Operational Amplifier · TSSOP-14
GS8634-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 | OUTA | output | Amplifier A output, rail-to-rail swing. |
| 2 | INA- | input | Amplifier A inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 3 | INA+ | input | Amplifier A non-inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 4 | VDD | power_in | Positive supply, 2.1V to 5.5V (absolute max 7.5V above VSS); bypass with a 0.1µF ceramic capacitor close to the pin. |
| 5 | INB+ | input | Amplifier B non-inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 6 | INB- | input | Amplifier B inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 7 | OUTB | output | Amplifier B output, rail-to-rail swing. |
| 8 | OUTC | output | Amplifier C output, rail-to-rail swing. |
| 9 | INC- | input | Amplifier C inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 10 | INC+ | input | Amplifier C non-inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 11 | VSS | power_in | Negative supply or ground; for dual-supply operation bypass with a separate 0.1µF ceramic capacitor. |
| 12 | IND+ | input | Amplifier D non-inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 13 | IND- | input | Amplifier D inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |
| 14 | OUTD | output | Amplifier D output, rail-to-rail swing. |
## 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 | | | 3.5 | mV | TA = +25℃ | 4 |
| Input Offset Voltage | VOS | | | 3.9 | mV | TA = 0℃ to 70℃ | 4 |
| Input Offset Voltage | VOS | | | 4.3 | mV | TA = -40℃ to 85℃ | 4 |
| Input Offset Voltage | VOS | | | 4.6 | mV | TA = -40℃ to 125℃ | 4 |
| Output Current | IOUT | 49 | 53 | | mA | TA = +25℃ | 4 |
| Output Current | IOUT | 45 | | | mA | TA = 0℃ to 70℃ | 4 |
| Output Current | IOUT | 40 | | | mA | TA = -40℃ to 85℃ | 4 |
| Output Current | IOUT | 35 | | | mA | TA = -40℃ to 125℃ | 4 |
| Power Supply Rejection Ratio | PSRR | 74 | 91 | | dB | VS = +2.5V to +5.5V, VCM = (-VS) + 0.5V, TA = +25℃ | 4 |
| Power Supply Rejection Ratio | PSRR | 72 | | | dB | VS = +2.5V to +5.5V, VCM = (-VS) + 0.5V, TA = 0℃ to 70℃ | 4 |
| Power Supply Rejection Ratio | PSRR | 68 | | | dB | VS = +2.5V to +5.5V, VCM = (-VS) + 0.5V, TA = -40℃ to 125℃ | 4 |
| Quiescent Current per Amplifier | IQ | | 470 | 650 | µA | IOUT = 0, TA = +25℃ | 4 |
| Quiescent Current per Amplifier | IQ | | | 727 | µA | IOUT = 0, TA = 0℃ to 70℃ | 4 |
| Quiescent Current per Amplifier | IQ | | | 750 | µA | IOUT = 0, TA = -40℃ to 85℃ | 4 |
| Quiescent Current per Amplifier | IQ | | | 815 | µA | IOUT = 0, TA = -40℃ to 125℃ | 4 |
| Operating Voltage Range | | 2.1 | | 5.5 | V | | 4 |
| Power Supply Voltage (VDD to Vss) | | -0.5 | | 7.5 | V | | 2 |
| PDB Input Voltage | | | | 7 | V | | 2 |
| Operating Temperature Range | TA | -40 | | 125 | ℃ | | 2 |
| Junction Temperature | TJ | | | 160 | ℃ | | 2 |
| Storage Temperature Range | | -55 | | 150 | ℃ | | 2 |
| Lead Temperature | | | | 260 | ℃ | soldering, 10 sec | 2 |
| ESD Susceptibility HBM | HBM | | | 8 | KV | | 2 |
| ESD Susceptibility MM | MM | | | 400 | V | | 2 |
## CAD (KiCad official)
- Symbol: `GS8634-TR`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `gs8634-tr-etched.step` / `gs8634-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gs8634-tr.step` / `gs8634-tr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Gainsil datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586205334280658944) (19 pp, sha256 `c17e6fe6cae0310b`, retrieved 2026-10-09, 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](docs/gs8634-tr-datasheet.pdf)