OPA4347EA

@@ -0,0 +1,49 @@+# OPA4347EA++**UMW** · Operational Amplifier · TSSOP-14++OPA4347EA from UMW, in a TSSOP-14. 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, swings within 5mV of the supply rails with a 100kΩ load; short-circuit current ±17mA typical. |+| 2 | -INA | input | Amplifier A inverting input. Common-mode range extends from (V-)-0.2V to (V+)+0.2V; input bias current ±0.5pA typical. |+| 3 | +INA | input | Amplifier A non-inverting input. Common-mode range extends from (V-)-0.2V to (V+)+0.2V; input bias current ±0.5pA typical. |+| 4 | V+ | power_in | Positive supply pin. Single-supply operation 2.3V to 5.5V (absolute max V+ − V- = 7.5V). Quiescent current 20µA per amplifier typical. |+| 5 | +INB | input | Amplifier B non-inverting input. Rail-to-rail input; common-mode range (V-)-0.2V to (V+)+0.2V. |+| 6 | -INB | input | Amplifier B inverting input. Rail-to-rail input; common-mode range (V-)-0.2V to (V+)+0.2V. |+| 7 | OUTB | output | Amplifier B output. Rail-to-rail output; short-circuit current ±17mA typical. |+| 8 | OUTC | output | Amplifier C output. Rail-to-rail output; short-circuit current ±17mA typical. |+| 9 | -INC | input | Amplifier C inverting input. Rail-to-rail input; common-mode range (V-)-0.2V to (V+)+0.2V. |+| 10 | +INC | input | Amplifier C non-inverting input. Rail-to-rail input; common-mode range (V-)-0.2V to (V+)+0.2V. |+| 11 | V- | power_in | Negative supply / ground pin. Tie to GND for single-supply operation, or to a negative rail for dual-supply operation. Absolute max V+ − V- = 7.5V. |+| 12 | +IND | input | Amplifier D non-inverting input. Rail-to-rail input; common-mode range (V-)-0.2V to (V+)+0.2V. |+| 13 | -IND | input | Amplifier D inverting input. Rail-to-rail input; common-mode range (V-)-0.2V to (V+)+0.2V. |+| 14 | OUTD | output | Amplifier D output. Rail-to-rail output; short-circuit current ±17mA typical. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | UMW |+| Package | TSSOP-14 |+| Category | Op-amp/Cmp |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `OPA4347EA`+- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`+- 3D model: TSSOP-14 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [UMW datasheet](docs/opa4347ea-datasheet.pdf) (14 pp, sha256 `acb5619613b98db7`, 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/opa4347ea-datasheet.pdf)

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