OPA2340 Dual RRIO Op-Amp

@@ -0,0 +1,54 @@+# OPA2340++**Texas Instruments** · Operational Amplifier · SOIC-8++The OPA2340 is a dual rail-to-rail input/output operational amplifier with 5.5 MHz bandwidth and low quiescent current. Its inputs and outputs swing to within millivolts of both supply rails, maximizing dynamic range on a single supply, suiting sensor buffering, active filters, and data-acquisition front ends.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | OUT A | output | Output of amplifier channel A. Rail-to-rail output swings within 1 mV of supply rails with a 100-kOhm load. |+| 2 | -IN A | input | Negative (inverting) input of amplifier channel A. Rail-to-rail input common-mode range extends 500 mV below V- and 500 mV above V+. |+| 3 | +IN A | input | Positive (noninverting) input of amplifier channel A. Rail-to-rail input common-mode range extends 500 mV below V- and 500 mV above V+. |+| 4 | V- | power_in | Negative (lowest) power supply. Typically ground in single-supply operation. Total supply voltage V+ to V- must be 2.7 V to 5.5 V. |+| 5 | +IN B | input | Positive (noninverting) input of amplifier channel B. Rail-to-rail input common-mode range extends 500 mV below V- and 500 mV above V+. |+| 6 | -IN B | input | Negative (inverting) input of amplifier channel B. Rail-to-rail input common-mode range extends 500 mV below V- and 500 mV above V+. |+| 7 | OUT B | output | Output of amplifier channel B. Rail-to-rail output swings within 1 mV of supply rails with a 100-kOhm load. |+| 8 | V+ | power_in | Positive (highest) power supply. Single-supply range 2.7 V to 5.5 V referenced to V-. Bypass with a 0.1 uF ceramic capacitor to V-. |++## Key specifications++| Parameter | Value |+|---|---|+| Type | Dual rail-to-rail I/O op-amp |+| Gain-bandwidth product | 5.5 MHz typ |+| Supply voltage | 2.5 V to 5.5 V single |+| Supply current | 750 uA/amp typ |+| Slew rate | 6 V/us typ |+| Input offset voltage | 150 uV typ |+| Operating temperature | -40 C to 85 C |++## Ordering variants++- `OPA2340DGK`+- `OPA2340DGKR`+- `OPA2340D`+- `OPA2340DR`+- `OPA2340P`++## CAD (KiCad official)++- Symbol: `opa2340.kicad_sym`+- Footprint: `opa2340.kicad_mod`+- 3D model: SOIC-8 body from KiCad `Package_SO/SOIC-8_3.9x4.9mm_P1.27mm`.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/opa2340.pdf) (48 pp, sha256 `8099f9f9e8e49c45`, 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/opa2340-datasheet.pdf)

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