OPA454AIDDAR

@@ -0,0 +1,48 @@+# OPA454AIDDAR++**Texas Instruments** · Operational Amplifier · SOIC-8-EP++OPA454AIDDAR from Texas Instruments, in a SOIC-8-EP. 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 | E/D Com | input | Enable/Disable Common return pin. Reference node for the E/D logic input, allowing the high-voltage op amp to interface with low-voltage logic circuitry. Valid range: (V-) to (V+) - 5V. |+| 2 | -IN | input | Inverting input of the operational amplifier. High-impedance input (10^13 Ω differential). Input signals should be limited to (V-) - 0.3V to (V+) + 0.3V; current-limit to <=10mA if driven beyond the rails. |+| 3 | +IN | input | Non-inverting input of the operational amplifier. High-impedance input (10^13 Ω differential). Same input-protection limits as -IN. |+| 4 | V- | power_in | Negative supply rail. Operating range +/-5V to +/-50V (dual supply) or 10V to 100V (single supply). Absolute maximum V+ minus V- is 120V. Internally connected to the PowerPAD. |+| 5 | Status Flag | output | Open-drain status flag output referenced to E/D Com. Asserts on over-temperature (Tj >= +150 °C) or over-current condition. Requires an external pull-up (typ. 100kΩ to V+). Delay ~6 us enable-to-disable, ~4 us disable-to-enable. |+| 6 | OUT | output | Op-amp output. Wide-swing to within ~1V of the supply rails; delivers >=50mA continuous, +120/-150mA peak current. Can be independently disabled via E/D pin; when disabled, output capacitance is ~18pF. |+| 7 | V+ | power_in | Positive supply rail. Operating range +/-5V to +/-50V (dual supply) or 10V to 100V (single supply). Absolute maximum V+ minus V- is 120V. |+| 8 | E/D | input | Output Enable/Disable input, referenced to the E/D Com pin. Pin open or forced high (>= E/D Com + 2.5V) enables the output; forced low (<= E/D Com + 0.65V) disables the output. Absolute max E/D to E/D Com voltage is +5.5V. |+| 9 | PowerPAD | power_in | Exposed thermal pad on the bottom of the SO-8 PowerPAD package, internally connected to V-. Must always be soldered to the PCB (typically a V- copper pour) for mechanical and thermal reliability, even in low-power applications. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8-EP |+| Category | Op-amp/Cmp |+| Pins | 9 |++## Ordering variants++- `OPA454AIDDAR`++## CAD (KiCad official)++- Symbol: `OPA454AIDDAR`+- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm`+- 3D model: SOIC-8-EP (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/opa454aiddar.pdf) (36 pp, sha256 `962f5192f2d62320`, 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/opa454aiddar-datasheet.pdf)

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