TMUX4051PWR

@@ -0,0 +1,61 @@+# TMUX4051PWR++**Texas Instruments** · Analog Switches, Multiplexers · TSSOP-16++TMUX4051PWR from Texas Instruments, in a TSSOP-16. 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 | S4 | bidirectional | Source pin 4. Analog signal path to/from the common drain D when addressed by A[2:0]=100 with EN low. Bidirectional analog signal, VSS to VDD range. |+| 2 | S6 | bidirectional | Source pin 6. Analog signal path to/from the common drain D when addressed by A[2:0]=110 with EN low. Bidirectional analog signal, VSS to VDD range. |+| 3 | D | bidirectional | Drain pin (common). Common node of the 8:1 mux. Bidirectional analog signal, VSS to VDD range. |+| 4 | S7 | bidirectional | Source pin 7. Analog signal path to/from the common drain D when addressed by A[2:0]=111 with EN low. Bidirectional analog signal, VSS to VDD range. |+| 5 | S5 | bidirectional | Source pin 5. Analog signal path to/from the common drain D when addressed by A[2:0]=101 with EN low. Bidirectional analog signal, VSS to VDD range. |+| 6 | EN | input | Active-low enable (EN). When high, all internal switches are OFF. When low, the A[2:0] address selects which source pin connects to D. 1.8V-compatible logic input. |+| 7 | VSS | power_in | Negative power supply, most negative supply potential. Bypass with 0.1µF-10µF decoupling capacitor between VSS and GND. For single-supply operation, tie to GND. |+| 8 | GND | power_in | Ground (0V) reference. |+| 9 | A2 | input | Address line 2 (MSB). Digital select input for the 1-of-8 decoder that steers a source pin to D. 1.8V-compatible logic input. |+| 10 | A1 | input | Address line 1. Digital select input for the 1-of-8 decoder that steers a source pin to D. 1.8V-compatible logic input. |+| 11 | A0 | input | Address line 0 (LSB). Digital select input for the 1-of-8 decoder that steers a source pin to D. 1.8V-compatible logic input. |+| 12 | S3 | bidirectional | Source pin 3. Analog signal path to/from the common drain D when addressed by A[2:0]=011 with EN low. Bidirectional analog signal, VSS to VDD range. |+| 13 | S0 | bidirectional | Source pin 0. Analog signal path to/from the common drain D when addressed by A[2:0]=000 with EN low. Bidirectional analog signal, VSS to VDD range. |+| 14 | S1 | bidirectional | Source pin 1. Analog signal path to/from the common drain D when addressed by A[2:0]=001 with EN low. Bidirectional analog signal, VSS to VDD range. |+| 15 | S2 | bidirectional | Source pin 2. Analog signal path to/from the common drain D when addressed by A[2:0]=010 with EN low. Bidirectional analog signal, VSS to VDD range. |+| 16 | VDD | power_in | Positive power supply, most positive supply potential. Single-supply range 5V-24V; dual-supply up to ±12V. Bypass with 0.1µF-10µF decoupling capacitor between VDD and GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++Same part, different packaging or reel option.++- `TMUX4051PWR`+- `TMUX4051PWRDYY`+- `TMUX4051PWRDYYR`+- `TMUX4051PWRBQB`+- `TMUX4051PWRBQBR`++## CAD (KiCad official)++- Symbol: `TMUX4051PWR`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (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/tmux4051.pdf) (41 pp, sha256 `260f469c4a92ee9e`, 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/tmux4051pwr-datasheet.pdf)

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