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GS8042-MR
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Gainsil Operational Amplifier, MSOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+48@@ -0,0 +1,48 @@+# GS8042-MR++**Gainsil** · Operational Amplifier · MSOP-8++GS8042-MR from Gainsil, in a MSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | OUTA | output | Amplifier A output. Rail-to-rail output swing to within ~50mV of supply rails at light loads (>50kΩ). Output source/sink current ~20mA into 10Ω to Vs/2. |+| 2 | INA- | input | Amplifier A inverting input. Rail-to-rail input; common-mode range Vss-0.1V to Vdd+0.1V. Input bias current ~1pA typical. |+| 3 | INA+ | input | Amplifier A non-inverting input. Rail-to-rail input; common-mode range Vss-0.1V to Vdd+0.1V. Input bias current ~1pA typical. |+| 4 | VSS | power_in | Negative supply / ground pin. In single-supply operation, connect to GND. Total supply Vdd-Vss range 1.4V to 5.5V (absolute max 7.5V). |+| 5 | INB+ | input | Amplifier B non-inverting input. Rail-to-rail input; common-mode range Vss-0.1V to Vdd+0.1V. Input bias current ~1pA typical. |+| 6 | INB- | input | Amplifier B inverting input. Rail-to-rail input; common-mode range Vss-0.1V to Vdd+0.1V. Input bias current ~1pA typical. |+| 7 | OUTB | output | Amplifier B output. Rail-to-rail output swing to within ~50mV of supply rails at light loads (>50kΩ). Output source/sink current ~20mA into 10Ω to Vs/2. |+| 8 | VDD | power_in | Positive supply pin. Operating range 1.4V to 5.5V (absolute max 7.5V vs Vss). Bypass with 0.1µF ceramic capacitor to Vss close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Gainsil |+| Package | MSOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `GS8042-MR`+- `GS8042-MRSR`++## CAD (KiCad official)++- Symbol: `GS8042-MR`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Gainsil datasheet](docs/gs8042-mr-datasheet.pdf) (15 pp, sha256 `2cfbf0f89a315340`, retrieved 2026-08-17, 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](docs/gs8042-mr-datasheet.pdf)
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