component
GS358A-MR
Public Made by Adomby adom
Gainsil Operational Amplifier, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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GS358A-MR
Gainsil · Operational Amplifier · MSOP-8
GS358A-MR from Gainsil, in a MSOP-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 | OUTA | output | Amplifier A output with rail-to-rail swing, specified for loads down to 10Ω with 84mA typ source and 75mA typ sink current at 5V. |
| 2 | INA- | input | Amplifier A inverting input, rail-to-rail with common-mode range of VSS-0.1V to VDD+0.1V and absolute maximum of VSS-0.5V to VDD+0.5V. |
| 3 | INA+ | input | Amplifier A non-inverting input, rail-to-rail with common-mode range of VSS-0.1V to VDD+0.1V and absolute maximum of VSS-0.5V to VDD+0.5V. |
| 4 | VSS | power_in | Negative supply or ground; for dual-supply operation of ±1.05V to ±2.75V it should be bypassed with a 0.1µF ceramic capacitor. |
| 5 | INB+ | input | Amplifier B non-inverting input, rail-to-rail with common-mode range of VSS-0.1V to VDD+0.1V and absolute maximum of VSS-0.5V to VDD+0.5V. |
| 6 | INB- | input | Amplifier B inverting input, rail-to-rail with common-mode range of VSS-0.1V to VDD+0.1V and absolute maximum of VSS-0.5V to VDD+0.5V. |
| 7 | OUTB | output | Amplifier B output with rail-to-rail swing, specified for loads down to 10Ω with 84mA typ source and 75mA typ sink current at 5V. |
| 8 | VDD | power_in | Positive supply for 2.1V to 5.5V operation (absolute maximum 7.5V between VDD and VSS), with a 0.1µF ceramic capacitor placed close to the pin. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Gainsil |
| Package | MSOP-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 |
|---|---|---|---|---|---|---|---|
| Power Supply Voltage (VDD to Vss) | -0.5 | 7.5 | V | 2 | |||
| PDB Input Voltage | 7 | V | 2 | ||||
| Operating Temperature Range | -40 | 125 | °C | 2 | |||
| Junction Temperature | 160 | °C | 2 | ||||
| Storage Temperature Range | -55 | 150 | °C | 2 | |||
| Lead Temperature (soldering, 10sec) | 260 | °C | soldering, 10 sec | 2 | |||
| ESD Susceptibility HBM | 6 | KV | HBM | 2 | |||
| ESD Susceptibility MM | 300 | V | MM | 2 | |||
| Input Offset Voltage | VOS | 0.1 | 0.4 | mV | VCM = VS/2, +25℃ | 3 | |
| Input Offset Voltage over temperature | VOS | 0.8 | mV | VCM = VS/2, -40℃ to +85℃ | 3 | ||
| Common-Mode Rejection Ratio | CMRR | 62 | 70 | dB | VS = 5.5V, VCM = -0.1V to 4V, +25℃ | 3 | |
| Common-Mode Rejection Ratio over temperature | CMRR | 62 | dB | VS = 5.5V, VCM = -0.1V to 4V, -40℃ to +85℃ | 3 | ||
| Common-Mode Rejection Ratio | CMRR | 56 | 68 | dB | VS = 5.5V, VCM = -0.1V to 5.6V, +25℃ | 3 | |
| Common-Mode Rejection Ratio over temperature | CMRR | 55 | dB | VS = 5.5V, VCM = -0.1V to 5.6V, -40℃ to +85℃ | 3 | ||
| Open-Loop Voltage Gain | AOL | 70 | 80 | dB | RL = 5kΩ, VO = +0.1V to +4.9V, +25℃ | 3 | |
| Open-Loop Voltage Gain over temperature | AOL | 70 | dB | RL = 5kΩ, VO = +0.1V to +4.9V, -40℃ to +85℃ | 3 | ||
| Open-Loop Voltage Gain | AOL | 94 | 100 | dB | RL = 10kΩ, VO = +0.1V to +4.9V, +25℃ | 3 | |
| Open-Loop Voltage Gain over temperature | AOL | 85 | dB | RL = 10kΩ, VO = +0.1V to +4.9V, -40℃ to +85℃ | 3 | ||
| Output Voltage Swing from Rail (high) | VOH | 4.99 | 4.997 | V | RL = 100kΩ, +25℃ | 3 | |
| Output Voltage Swing from Rail (high) over temperature | VOH | 4.98 | V | RL = 100kΩ, -40℃ to +85℃ | 3 | ||
| Output Voltage Swing from Rail (low) | VOL | 3 | 10 | mV | RL = 100kΩ, +25℃ | 3 | |
| Output Voltage Swing from Rail (low) over temperature | VOL | 20 | mV | RL = 100kΩ, -40℃ to +85℃ | 3 | ||
| Output Voltage Swing from Rail (high) | VOH | 4.97 | 4.992 | V | RL = 10kΩ, +25℃ | 3 | |
| Output Voltage Swing from Rail (high) over temperature | VOH | 4.96 | V | RL = 10kΩ, -40℃ to +85℃ | 3 | ||
| Output Voltage Swing from Rail (low) | VOL | 8 | 30 | mV | RL = 10kΩ, +25℃ | 3 | |
| Output Voltage Swing from Rail (low) over temperature | VOL | 40 | mV | RL = 10kΩ, -40℃ to +85℃ | 3 | ||
| Output Current source | ISOURCE | 60 | 84 | mA | RL = 10Ω to VS/2, +25℃ | 3 | |
| Output Current source over temperature | ISOURCE | 45 | mA | RL = 10Ω to VS/2, -40℃ to +85℃ | 3 | ||
| Output Current sink | ISINK | 60 | 75 | mA | +25℃ | 3 | |
| Output Current sink over temperature | ISINK | 45 | mA | -40℃ to +85℃ | 3 | ||
| Operating Voltage Range (minimum) | 2.1 | V | +25℃ | 3 | |||
| Operating Voltage Range (minimum) over temperature | 2.5 | V | -40℃ to +85℃ | 3 | |||
| Operating Voltage Range (maximum) | 5.5 | V | +25℃ | 3 | |||
| Operating Voltage Range (maximum) over temperature | 5.5 | V | -40℃ to +85℃ | 3 | |||
| Power Supply Rejection Ratio | PSRR | 60 | 82 | dB | VS = +2.5V to +5.5V, VCM = +0.5V, +25℃ | 3 | |
| Power Supply Rejection Ratio over temperature | PSRR | 58 | dB | VS = +2.5V to +5.5V, VCM = +0.5V, -40℃ to +85℃ | 3 | ||
| Quiescent Current / Amplifier | IQ | 40 | 60 | µA | +25℃ | 3 | |
| Quiescent Current / Amplifier over temperature | IQ | 80 | µA | -40℃ to +85℃ | 3 | ||
| Common-Mode Voltage Range | VCM | -0.1 | 5.6 | V | VS = 5.5V | 3 | |
| Input Bias Current | IB | 1 | pA | 3 | |||
| Input Offset Current | IOS | 1 | pA | 3 | |||
| Input Offset Voltage Drift | ∆VOS/∆T | 2.7 | µV/℃ | 3 | |||
| Gain-Bandwidth Product | GBP | 1 | MHz | CL = 100pF | 3 | ||
| Slew Rate | SR | 0.6 | V/µs | CL = 100pF; G = +1, 2V Output Step | 3 | ||
| Settling Time to 0.1% | tS | 5 | µs | CL = 100pF; G = +1, 2V Output Step | 3 | ||
| Overload Recovery Time | 2.6 | µs | CL = 100pF; VIN ·Gain = VS | 3 | |||
| Voltage Noise Density | en | 27 | nV / Hz | f = 1kHz | 3 | ||
| Voltage Noise Density | en | 20 | nV / Hz | f = 10kHz | 3 | ||
| Package Thermal Resistance, junction-to-ambient (MSOP-8) | θJA | 216 | °C/W | TA=+25℃ | 2 |
CAD (KiCad official)
- Symbol:
GS358A-MR - Footprint:
Package_SO:MSOP-8_3x3mm_P0.65mm - 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files:
gs358a-mr-etched.step/gs358a-mr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);gs358a-mr.step/gs358a-mr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Gainsil datasheet (14 pp, sha256
756d01bdce698ba2, retrieved 2026-10-17, 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).
# GS358A-MR
**Gainsil** · Operational Amplifier · MSOP-8
GS358A-MR from Gainsil, in a MSOP-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 | OUTA | output | Amplifier A output with rail-to-rail swing, specified for loads down to 10Ω with 84mA typ source and 75mA typ sink current at 5V. |
| 2 | INA- | input | Amplifier A inverting input, rail-to-rail with common-mode range of VSS-0.1V to VDD+0.1V and absolute maximum of VSS-0.5V to VDD+0.5V. |
| 3 | INA+ | input | Amplifier A non-inverting input, rail-to-rail with common-mode range of VSS-0.1V to VDD+0.1V and absolute maximum of VSS-0.5V to VDD+0.5V. |
| 4 | VSS | power_in | Negative supply or ground; for dual-supply operation of ±1.05V to ±2.75V it should be bypassed with a 0.1µF ceramic capacitor. |
| 5 | INB+ | input | Amplifier B non-inverting input, rail-to-rail with common-mode range of VSS-0.1V to VDD+0.1V and absolute maximum of VSS-0.5V to VDD+0.5V. |
| 6 | INB- | input | Amplifier B inverting input, rail-to-rail with common-mode range of VSS-0.1V to VDD+0.1V and absolute maximum of VSS-0.5V to VDD+0.5V. |
| 7 | OUTB | output | Amplifier B output with rail-to-rail swing, specified for loads down to 10Ω with 84mA typ source and 75mA typ sink current at 5V. |
| 8 | VDD | power_in | Positive supply for 2.1V to 5.5V operation (absolute maximum 7.5V between VDD and VSS), with a 0.1µF ceramic capacitor placed close to the pin. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Gainsil |
| Package | MSOP-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 |
|---|---|---|---|---|---|---|---|
| Power Supply Voltage (VDD to Vss) | | -0.5 | | 7.5 | V | | 2 |
| PDB Input Voltage | | | | 7 | V | | 2 |
| Operating Temperature Range | | -40 | | 125 | °C | | 2 |
| Junction Temperature | | | | 160 | °C | | 2 |
| Storage Temperature Range | | -55 | | 150 | °C | | 2 |
| Lead Temperature (soldering, 10sec) | | | | 260 | °C | soldering, 10 sec | 2 |
| ESD Susceptibility HBM | | | | 6 | KV | HBM | 2 |
| ESD Susceptibility MM | | | | 300 | V | MM | 2 |
| Input Offset Voltage | VOS | | 0.1 | 0.4 | mV | VCM = VS/2, +25℃ | 3 |
| Input Offset Voltage over temperature | VOS | | | 0.8 | mV | VCM = VS/2, -40℃ to +85℃ | 3 |
| Common-Mode Rejection Ratio | CMRR | 62 | 70 | | dB | VS = 5.5V, VCM = -0.1V to 4V, +25℃ | 3 |
| Common-Mode Rejection Ratio over temperature | CMRR | 62 | | | dB | VS = 5.5V, VCM = -0.1V to 4V, -40℃ to +85℃ | 3 |
| Common-Mode Rejection Ratio | CMRR | 56 | 68 | | dB | VS = 5.5V, VCM = -0.1V to 5.6V, +25℃ | 3 |
| Common-Mode Rejection Ratio over temperature | CMRR | 55 | | | dB | VS = 5.5V, VCM = -0.1V to 5.6V, -40℃ to +85℃ | 3 |
| Open-Loop Voltage Gain | AOL | 70 | 80 | | dB | RL = 5kΩ, VO = +0.1V to +4.9V, +25℃ | 3 |
| Open-Loop Voltage Gain over temperature | AOL | 70 | | | dB | RL = 5kΩ, VO = +0.1V to +4.9V, -40℃ to +85℃ | 3 |
| Open-Loop Voltage Gain | AOL | 94 | 100 | | dB | RL = 10kΩ, VO = +0.1V to +4.9V, +25℃ | 3 |
| Open-Loop Voltage Gain over temperature | AOL | 85 | | | dB | RL = 10kΩ, VO = +0.1V to +4.9V, -40℃ to +85℃ | 3 |
| Output Voltage Swing from Rail (high) | VOH | 4.99 | 4.997 | | V | RL = 100kΩ, +25℃ | 3 |
| Output Voltage Swing from Rail (high) over temperature | VOH | 4.98 | | | V | RL = 100kΩ, -40℃ to +85℃ | 3 |
| Output Voltage Swing from Rail (low) | VOL | | 3 | 10 | mV | RL = 100kΩ, +25℃ | 3 |
| Output Voltage Swing from Rail (low) over temperature | VOL | | | 20 | mV | RL = 100kΩ, -40℃ to +85℃ | 3 |
| Output Voltage Swing from Rail (high) | VOH | 4.97 | 4.992 | | V | RL = 10kΩ, +25℃ | 3 |
| Output Voltage Swing from Rail (high) over temperature | VOH | 4.96 | | | V | RL = 10kΩ, -40℃ to +85℃ | 3 |
| Output Voltage Swing from Rail (low) | VOL | | 8 | 30 | mV | RL = 10kΩ, +25℃ | 3 |
| Output Voltage Swing from Rail (low) over temperature | VOL | | | 40 | mV | RL = 10kΩ, -40℃ to +85℃ | 3 |
| Output Current source | ISOURCE | 60 | 84 | | mA | RL = 10Ω to VS/2, +25℃ | 3 |
| Output Current source over temperature | ISOURCE | 45 | | | mA | RL = 10Ω to VS/2, -40℃ to +85℃ | 3 |
| Output Current sink | ISINK | 60 | 75 | | mA | +25℃ | 3 |
| Output Current sink over temperature | ISINK | 45 | | | mA | -40℃ to +85℃ | 3 |
| Operating Voltage Range (minimum) | | 2.1 | | | V | +25℃ | 3 |
| Operating Voltage Range (minimum) over temperature | | 2.5 | | | V | -40℃ to +85℃ | 3 |
| Operating Voltage Range (maximum) | | | | 5.5 | V | +25℃ | 3 |
| Operating Voltage Range (maximum) over temperature | | | | 5.5 | V | -40℃ to +85℃ | 3 |
| Power Supply Rejection Ratio | PSRR | 60 | 82 | | dB | VS = +2.5V to +5.5V, VCM = +0.5V, +25℃ | 3 |
| Power Supply Rejection Ratio over temperature | PSRR | 58 | | | dB | VS = +2.5V to +5.5V, VCM = +0.5V, -40℃ to +85℃ | 3 |
| Quiescent Current / Amplifier | IQ | | 40 | 60 | µA | +25℃ | 3 |
| Quiescent Current / Amplifier over temperature | IQ | | | 80 | µA | -40℃ to +85℃ | 3 |
| Common-Mode Voltage Range | VCM | -0.1 | | 5.6 | V | VS = 5.5V | 3 |
| Input Bias Current | IB | | 1 | | pA | | 3 |
| Input Offset Current | IOS | | 1 | | pA | | 3 |
| Input Offset Voltage Drift | ∆VOS/∆T | | 2.7 | | µV/℃ | | 3 |
| Gain-Bandwidth Product | GBP | | 1 | | MHz | CL = 100pF | 3 |
| Slew Rate | SR | | 0.6 | | V/µs | CL = 100pF; G = +1, 2V Output Step | 3 |
| Settling Time to 0.1% | tS | | 5 | | µs | CL = 100pF; G = +1, 2V Output Step | 3 |
| Overload Recovery Time | | | 2.6 | | µs | CL = 100pF; VIN ·Gain = VS | 3 |
| Voltage Noise Density | en | | 27 | | nV / Hz | f = 1kHz | 3 |
| Voltage Noise Density | en | | 20 | | nV / Hz | f = 10kHz | 3 |
| Package Thermal Resistance, junction-to-ambient (MSOP-8) | θJA | | 216 | | °C/W | TA=+25℃ | 2 |
## CAD (KiCad official)
- Symbol: `GS358A-MR`
- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`
- 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files: `gs358a-mr-etched.step` / `gs358a-mr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gs358a-mr.step` / `gs358a-mr.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/8590446799929708545) (14 pp, sha256 `756d01bdce698ba2`, retrieved 2026-10-17, 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/gs358a-mr-datasheet.pdf)