OPA1678IDR

@@ -0,0 +1,52 @@+# OPA1678IDR++**Texas Instruments** · Operational Amplifier · SOIC-8-150mil++OPA1678IDR from Texas Instruments, in a SOIC-8-150mil. 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 | OUT A | output | Output, channel A. Rail-to-rail output stage capable of swinging to within 800 mV of the supply rails with a 2-kΩ load. Short-circuit current typ ±50 mA. |+| 2 | -IN A | input | Inverting input, channel A. High-impedance FET-input (100 MΩ || 6 pF differential); input bias current typ ±10 pA. Common-mode range (V-)+0.5 V to (V+)-2 V. |+| 3 | +IN A | input | Noninverting input, channel A. High-impedance FET-input; input bias current typ ±10 pA. Common-mode range (V-)+0.5 V to (V+)-2 V; CMRR 110 dB typ. |+| 4 | V- | power_in | Negative (lowest) power supply. For dual-supply operation typically -2.25 V to -18 V; for single-supply operation tie to ground. Total supply (V+)-(V-) 4.5 V to 36 V (40 V abs max). |+| 5 | +IN B | input | Noninverting input, channel B. High-impedance FET-input; input bias current typ ±10 pA. Common-mode range (V-)+0.5 V to (V+)-2 V. |+| 6 | -IN B | input | Inverting input, channel B. High-impedance FET-input; input bias current typ ±10 pA. Common-mode range (V-)+0.5 V to (V+)-2 V. |+| 7 | OUT B | output | Output, channel B. Rail-to-rail output stage; short-circuit current typ ±50 mA. Slew rate 9 V/µs. |+| 8 | V+ | power_in | Positive (highest) power supply. Supply range 4.5 V to 36 V single-supply, or ±2.25 V to ±18 V split. Quiescent current 2 mA per channel typical. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8-150mil |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `OPA1678IDRIDR`+- `OPA1678IDRID`+- `OPA1678IDRIDGKR`+- `OPA1678IDRIDGK`+- `OPA1678IDRIDRGR`+- `OPA1678IDRIDRGT`++## CAD (KiCad official)++- Symbol: `OPA1678IDR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8-150mil (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/opa1678.pdf) (56 pp, sha256 `4072daad4ebc4ec9`, retrieved 2026-08-17, tier: manufacturer)+- **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/opa1678idr-datasheet.pdf)

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