LT1331是3V RS562 or 5V/3V RS232 Transceiver with One Receiver Active in Shutdown

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LT1331 - LT1331是3V RS562 or 5V/3V RS232 Transceiver with One Receiver Active in Shutdown

LT1331是Linear公司的一款RS232 / RS562 收发器产品，LT1331是3V RS562 or 5V/3V RS232 Transceiver with One Receiver Active in Shutdown，本站介绍了LT1331的封装应用图解、特点和优点、功能等，并给出了与LT1331相关的凌力尔特元器件型号供参考。

LT1331 - 3V RS562 or 5V/3V RS232 Transceiver with One Receiver Active in Shutdown

LT1331 - 3V RS562 or 5V/3V RS232 Transceiver with One Receiver Active in Shutdown - Linear Technology（凌力尔特）

功能描述

The LT®1331 is a 3-driver, 5-receiver RS232 transceiver designed for 3V and mixed 3V/5V systems. Receivers operate from 3V logic supply VL, while the onboard charge pump and drivers operate from 5V or 3V supply VCC.The transceiver has two shutdown modes. One mode disables the drivers and the charge pump, the other shuts down all circuitry except for one low power receiver which can be used for ring detection. The VCC supply may be shut down while in ring detection mode. While shut down, the drivers and receivers assume high impedance output states.The LT1331 is fully compliant with all EIA-RS232 specifications when VCC = 5V. If VCC = 3V, output drive levels are compatible with all known interface circuits. Special bipolar construction techniques protect the drivers and receivers beyond the fault conditions stipulated for RS232. The RS232 I/O pins are resilient to multiple ±10kV ESD strikes. An advanced driver output stage operates up to 120kbaud while driving heavy capacitive loads.

特点

RS232 Compatible 3V Operation

3V Logic Interface

ESD Protection Over ±10kV

120kbaud Operation for RL = 3k, CL = 2500pF

250kbaud Operation for RL = 3k, CL = 1000pF

One Low Power Receiver Remains Active While in Shutdown

60µA Supply Current in Shutdown

Low Power Driver Disable Mode

Uses Small Capacitors: 0.1µF, 0.2µF

CMOS Comparable Low Power: 60mW

Easy PC Layout: Flowthrough Architecture

Rugged Bipolar Design

Outputs Assume a High Impedance State When Off or Powered Down

应用

Notebook Computers

Palmtop Computers

以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）

器件型号	封装	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量)
LT1331CG	SSOP-28	C	$5.42	$4.20
LT1331CG#PBF	SSOP-28	C	$5.42	$4.20
LT1331CG#TR	SSOP-28	C		$4.30
LT1331CG#TRPBF	SSOP-28	C		$4.30
LT1331CNW	NW-28	C	$4.92	$3.90
LT1331CNW#PBF	NW-28	C	$4.92	$3.90
LT1331CSW	SW-28	C	$4.92	$3.90
LT1331CSW#PBF	SW-28	C	$4.92	$3.90
LT1331CSW#TR	SW-28	C		$4.00
LT1331CSW#TRPBF	SW-28	C		$4.00