TRS211 - 具有 +/-15kV ESD 保护的 5V 多通道 RS-232 线路驱动器/接收器

TRS211是TI德州仪器公司的一款无产品，TRS211是具有 +/-15kV ESD 保护的 5V 多通道 RS-232 线路驱动器/接收器，本站介绍了TRS211的封装应用图解、特点和优点、功能等，并给出了与TRS211相关的TI元器件型号供参考。

TRS211 - 具有 +/-15kV ESD 保护的 5V 多通道 RS-232 线路驱动器/接收器 - 无 - RS-232收发器 - 德州仪器

产品描述

产品特性

RS-232 Bus-Pin 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 at 5-V VCC Supply
Four Drivers and Five Receivers
Operates up to 120 kbit/s
Low Supply Current in Shutdown Mode . . . 1 µA Typical
External Capacitors . . . 4 × 0.1 µF
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
APPLICATIONS
- Battery-Powered Systems
- PDAs
- Notebooks
- Laptops
- Palmtop PCs
- Hand-Held Equipment

DESCRIPTION/ORDERING INFORMATION

The TRS211 device consists of four line drivers, five line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, 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 a single 5-V supply. The devices operate at data signaling rates up to 120 kbit/s and a maximum of 30-V/µs driver output slew rate.

The TRS211 has both shutdown (SHDN) and enable control (EN). In shutdown mode, the charge pumps are turned off, V+ is pulled down to VCC, V- is pulled to GND, and the transmitter outputs are disabled. This reduces supply current typically to 1 µA. EN is used to put the receiver outputs into the high-impedance state to allow wired-OR connection of two RS-232 ports. It has no effect on the RS-232 drivers or the charge pumps.

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