# AM26LS32ACPWR

**TI(德州仪器)** · RS-485 / RS-422 ICs · TSSOP-16

AM26LS32ACPWR from TI(德州仪器), in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1B | input | RS422/RS485 differential input (inverting) for receiver channel 1. |
| 2 | 1A | input | RS422/RS485 differential input (noninverting) for receiver channel 1. |
| 3 | 1Y | output | Logic-level three-state output of receiver channel 1. |
| 4 | G | input | Active-high select (enable) input for the receiver outputs, as listed in the pin table. |
| 5 | 2Y | output | Logic-level three-state output of receiver channel 2. |
| 6 | 2A | input | RS422/RS485 differential input (noninverting) for receiver channel 2. |
| 7 | 2B | input | RS422/RS485 differential input (inverting) for receiver channel 2. |
| 8 | GND | power_in | Ground pin; all voltages except differential voltages are referenced to the network ground terminal. |
| 9 | 3B | input | RS422/RS485 differential input (inverting) for receiver channel 3. |
| 10 | 3A | input | RS422/RS485 differential input (noninverting) for receiver channel 3. |
| 11 | 3Y | output | Logic-level three-state output of receiver channel 3. |
| 12 | G | input | Active-low select (enable) input for the receiver outputs, as listed in the pin table. |
| 13 | 4Y | output | Logic-level three-state output of receiver channel 4. |
| 14 | 4A | input | RS422/RS485 differential input (noninverting) for receiver channel 4. |
| 15 | 4B | input | RS422/RS485 differential input (inverting) for receiver channel 4. |
| 16 | VCC | power_in | Power supply; 5 V nominal, with 4.75 V to 5.25 V recommended for the AM26LS32AC and AM26LS32AI grades and 7 V absolute maximum. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TI(德州仪器) |
| Package | TSSOP-16 |
| Category | Interface |
| Pins | 16 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage | VCC | 4.75 | 5 | 5.25 | V | AM26LS32AC, AM26LS32AI, AM26LS33AC | 4 |
| High-level input voltage | VIH | 2 |  |  | V |  | 4 |
| Low-level input voltage | VIL |  |  | 0.8 | V |  | 4 |
| Common-mode input voltage (AM26LS32A) | VIC | -7 |  | 7 | V | AM26LS32A | 4 |
| High-level output current | IOH | -440 |  |  | µA |  | 4 |
| Low-level output current | IOL |  |  | 8 | mA |  | 4 |
| Operating free-air temperature | TA | 0 |  | 70 | °C | AM26LS32AC | 4 |
| Supply voltage | VCC |  |  | 7 | V |  | 4 |
| Input voltage, any differential input | VI | -25 |  | 25 | V | Any differential input | 4 |
| Input voltage, other inputs | VI |  |  | 7 | V | Other inputs | 4 |
| Differential input voltage | VID | -25 |  | 25 | V |  | 4 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 4 |
| Positive-going input threshold voltage (AM26LS32A) | VIT+ |  |  | 0.2 | V | VO = VOHmin, IOH = -440 µA | 6 |
| Negative-going input threshold voltage (AM26LS32A) | VIT- | -0.2 |  |  | V | VO = 0.45 V, IOL = 8 mA | 6 |
| Enable-input clamp voltage | VIK |  |  | -1.5 | V | VCC = MIN, II = -18 mA | 6 |
| High-level output voltage (AC) | VOH | 2.7 |  |  | V | VCC = MIN, VID = 1 V, VI(G) = 0.8 V, IOH = -440 µA | 6 |
| Low-level output voltage | VOL |  |  | 0.4 | V | VCC = MIN, VID = -1 V, VI(G) = 0.8 V, IOL = 4 mA | 6 |
| Low-level output voltage | VOL |  |  | 0.45 | V | VCC = MIN, VID = -1 V, VI(G) = 0.8 V, IOL = 8 mA | 6 |
| Off-state output current | IOZ |  |  | 20 | µA | VCC = MAX, VO = 2.4 V | 6 |
| Off-state output current | IOZ | -20 |  |  | µA | VCC = MAX, VO = 0.4 V | 6 |
| Line input current | II |  |  | 1.2 | mA | VI = 15 V, other input at -10 V to 15 V | 6 |
| Line input current | II | -1.7 |  |  | mA | VI = -15 V, other input at -15 V to 10 V | 6 |
| Enable input current | II(EN) |  |  | 100 | µA | VI = 5.5 V | 6 |
| High-level enable current | IH |  |  | 20 | µA | VI = 2.7 V | 6 |
| Low-level enable current | IL | -0.36 |  |  | mA | VI = 0.4 V | 6 |
| Input resistance | ri | 12 | 15 |  | kΩ | VIC = -15 V to 15 V, one input to ac ground | 6 |
| Short-circuit output current | IOS | -15 |  | -85 | mA | VCC = MAX | 6 |
| Supply current | ICC |  | 52 | 70 | mA | VCC = MAX, all outputs disabled | 6 |
| Propagation delay time, low-to-high-level output | tPLH |  | 20 | 35 | ns | CL = 15 pF, VCC = 5 V, TA = 25°C | 7 |
| Propagation delay time, high-to-low-level output | tPHL |  | 22 | 35 | ns | CL = 15 pF, VCC = 5 V, TA = 25°C | 7 |
| Output enable time to high level | tPZH |  | 17 | 22 | ns | CL = 15 pF, VCC = 5 V, TA = 25°C | 7 |
| Output enable time to low level | tPZL |  | 20 | 25 | ns | CL = 15 pF, VCC = 5 V, TA = 25°C | 7 |
| Output disable time from high level | tPHZ |  | 21 | 30 | ns | CL = 15 pF, VCC = 5 V, TA = 25°C | 7 |
| Output disable time from low level | tPLZ |  | 30 | 40 | ns | CL = 15 pF, VCC = 5 V, TA = 25°C | 7 |
| Junction-to-ambient thermal resistance (PW, TSSOP) | RθJA |  | 102.7 |  | °C/W | PW (TSSOP) 16-pin package | 5 |
| Junction-to-ambient thermal resistance (PWR, TSSOP reel) | RθJA |  | 107.5 |  | °C/W | PWR (TSSOP reel) 16-pin package | 5 |
| Junction-to-case (top) thermal resistance (PW, TSSOP) | RθJC(top) |  | 37.8 |  | °C/W | PW (TSSOP) 16-pin package | 5 |
| Junction-to-case (top) thermal resistance (PWR, TSSOP reel) | RθJC(top) |  | 38.4 |  | °C/W | PWR (TSSOP reel) 16-pin package | 5 |
| Junction-to-board thermal resistance (PW, TSSOP) | RθJB |  | 47.7 |  | °C/W | PW (TSSOP) 16-pin package | 5 |
| Junction-to-board thermal resistance (PWR, TSSOP reel) | RθJB |  | 53.7 |  | °C/W | PWR (TSSOP reel) 16-pin package | 5 |

## CAD (KiCad official)

- Symbol: `AM26LS32ACPWR`
- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`
- 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files: `am26ls32acpwr-etched.step` / `am26ls32acpwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `am26ls32acpwr.step` / `am26ls32acpwr.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [TI(德州仪器) datasheet](https://www.ti.com/cn/lit/gpn/am26ls32ac) (35 pp, sha256 `228eefd805d62f85`, retrieved 2026-10-29, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/am26ls32acpwr-datasheet.pdf)