TPA6211A1DGNR

@@ -0,0 +1,51 @@+# TPA6211A1DGNR++**Texas Instruments** · Audio Power OpAmps · MSOP-8-EP++TPA6211A1DGNR from Texas Instruments, in a MSOP-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 | SHUTDOWN | input | Shutdown terminal, active low logic. Drive below 0.5 V to place the device in low-power shutdown (0.01 µA typ); drive above 1.55 V for normal operation. Internally pulled to GND via ~100 kΩ. |+| 2 | BYPASS | passive | Mid-supply voltage reference output. Adding an external bypass capacitor (typ 0.1 µF) to GND improves PSRR and sets start-up time (~27 ms with 0.1 µF). |+| 3 | IN+ | input | Positive differential audio input. Input impedance is 40 kΩ typ (38-44 kΩ). Common-mode input range is 0.5 V to VDD-0.8 V. |+| 4 | IN- | input | Negative differential audio input. Input impedance is 40 kΩ typ (38-44 kΩ). Gain is set by external series resistor Ri as 2 × (40 kΩ / Ri). |+| 5 | VO+ | output | Positive BTL (bridge-tied-load) speaker output. Delivers up to 3.1 W into 3 Ω from a 5-V supply. Connect directly to one side of the speaker (no output coupling capacitor required). |+| 6 | VDD | power_in | Analog supply voltage, 2.5 V to 5.5 V operating range (6 V absolute max). Typical quiescent current is 4 mA. Decouple with a bulk capacitor to GND. |+| 7 | GND | power_in | High-current ground return for the Class-AB output stage. Route with a low-impedance connection to the system ground plane; also tie the PowerPAD to this net. |+| 8 | VO- | output | Negative BTL (bridge-tied-load) speaker output. Complements VO+ to drive the speaker differentially with no dc bias. No output coupling capacitor is required. |+| 9 | PAD | power_in | Exposed PowerPAD on package underside. Must be soldered to a ground copper pour for thermal dissipation and mechanical retention; electrically connect to GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | MSOP-8-EP |+| Category | Op-amp/Cmp |+| Pins | 9 |++## Ordering variants++- `TPA6211A1DGNRDGN`+- `TPA6211A1DGNRDGNR`+- `TPA6211A1DGNRDRB`+- `TPA6211A1DGNRDRBR`++## CAD (KiCad official)++- Symbol: `TPA6211A1DGNR`+- Footprint: `Package_SO:MSOP-8-1EP_3x3mm_P0.65mm_EP1.5x1.8mm`+- 3D model: MSOP-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/tpa6211a1dgnr.pdf) (32 pp, sha256 `ed894d996164f5ca`, 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/tpa6211a1dgnr-datasheet.pdf)

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