Product
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TRS3232
  • TRS3232
  • TRS3232
  • TRS3232
  • TRS3232
  • TRS3232

TRS3232

ACTIVE

3- to 5.5-V dual channel 250kbps RS-232 line driver/receiver with +/-15-kV ESD protection

Texas Instruments TRS3232 Product Info

1 April 2026 0

Parameters

Drivers per package

2

Receivers per package

2

Logic voltage (min) (V)

3.3

Data rate (max) (Mbps)

0.25

Main supply voltage (nom) (V)

3.3, 5

ESD HBM (kV)

15

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Vout (typ) (V)

5.4

Package

SOIC (D)-16-59.4 mm² 9.9 x 6

Features

  • RS-232 Bus-terminal ESD protection exceeds ±15 kV using human-body model (HBM)
  • Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards
  • Operates with 3-V to 5.5-V VCC supply
  • Operates up to 250 kbps
  • Two drivers and two receivers
  • Low supply current: 300-µA typical
  • External capacitors: 4 × 0.1 µF
  • Accepts 5-V logic input with 3.3-V supply
  • Alternative high-speed terminal-compatible devices s (1 Mbps)
    • SN65C3232 (–40°C to 85°C)
    • SN75C3232 (0°C to 70°C)
  • RS-232 Bus-terminal ESD protection exceeds ±15 kV using human-body model (HBM)
  • Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards
  • Operates with 3-V to 5.5-V VCC supply
  • Operates up to 250 kbps
  • Two drivers and two receivers
  • Low supply current: 300-µA typical
  • External capacitors: 4 × 0.1 µF
  • Accepts 5-V logic input with 3.3-V supply
  • Alternative high-speed terminal-compatible devices s (1 Mbps)
    • SN65C3232 (–40°C to 85°C)
    • SN75C3232 (0°C to 70°C)

Description

The TRS3232 consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection terminal-to-terminal (serial-port connection terminals, including GND). The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from one 3-V to 5.5-V supply. The devices operate at data-signaling rates up to 250 kbps and a maximum of 30-V/µs driver-output slew rate.

The TRS3232 consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection terminal-to-terminal (serial-port connection terminals, including GND). The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from one 3-V to 5.5-V supply. The devices operate at data-signaling rates up to 250 kbps and a maximum of 30-V/µs driver-output slew rate.

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