LT1330

更新时间： 2024-11-05 22:55:51

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
8页	251K
描述
5V RS232 Transceiver with 3V Logic Interface and One Receiver Active in Shutdown

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LT1330 数据手册

LT1330

5V RS232 Transceiver with

3V Logic Interface and One

Receiver Active in Shutdown

DESCRIPTIO

EATURE

The LT^®1330 is a three driver, five receiver RS232 trans-

ceiver with low supply current. Designed to interface with

new 3V logic, the LT1330 operates with both a 5V power

supply and a 3V logic power supply. The chip may be shut

down to micropower operation with one receiver remain-

ing active to monitor RS232 inputs such as ring detect

from a modem.

■

3V Logic Interface

ESD Protection over ±10kV

Uses Small Capacitors: 0.1µF, 0.2µF, 1.0µF

One Low Power Receiver Remains Active While in

Shutdown

■

Pin Compatible with LT1137A and LT1237

120kBaud Operation for R_L= 3k, C_L= 2500pF

250kBaud Operation for R_L= 3k, C_L= 1000pF

CMOS Comparable Low Power: 30mW

Easy PC Layout—Flowthrough Architecture

Rugged Bipolar Design

Outputs Assume a High Impedance State When Off

or Powered Down

Absolutely No Latchup

The LT1330 is fully compliant with all EIA RS232 specifi-

cations. Additionally, the RS232 line input and output pins

areresilienttomultiple±10kVESDstrikes. Thiseliminates

the need for costly TransZorbs^®on line pins for the RS232

part.

■

The LT1330 operates to 120kbaud even driving high

capacitive loads. During shutdown, driver and receiver

outputs are at a high impedance state allowing devices to

be paralleled.

60µA Supply Current in Shutdown

Available in SO and SSOP Packages

O U

, LTC and LT are registered trademarks of Linear Technology Corporation.

TransZorb is a registered trademark of General Instruments, GSI

PPLICATI

■

Notebook Computers

Palmtop Computers

■

TYPICAL APPLICATI

Output Waveforms

–

LT1330

RECEIVER

1.0µF

5V V

0.1µF

OUTPUT

2 × 0.1µF

V_L= 3V

C_L= 50pF

2 × 0.1µF

DRIVER 1 IN

RX1 OUT

DRIVER

OUTPUT

DRIVER 1 OUT

RX1 IN

DRIVER 2 IN

RX2 OUT

R_L= 3k

_L= 2500pF

DRIVER 2 OUT

RX2 IN

TO LOGIC

RX3 OUT

LINE

RX3 IN

RX4 OUT

RX4 IN

DRIVER 3 IN

RX5 OUT (LOW-Q)

INPUT

DRIVER 3 OUT

RING DETECT IN

GND

DRIVER

DISABLE

RX5 IN (LOW-Q)

ON/OFF

µCONTROLLER OR

µPROCESSOR

1330 TA02

SHUTDOWN

CONTROL OUT

3V V

1330 TA01

12 3 4 5 6 7 8

中文翻译

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与LT1330相关器件

型号	品牌	获取价格	描述	数据表
LT1330C	Linear	获取价格	5V RS232 Transceiver with 3V Logic Interface and One Receiver Active in Shutdown
LT1330CG	Linear	获取价格	5V RS232 Transceiver with 3V Logic Interface and One Receiver Active in Shutdown
LT1330CG#TR	Linear	获取价格	LT1330 - 5V RS232 Transceiver with 3V Logic Interface and One Receiver Active in Shutdown;
LT1330CJ	Linear	获取价格	IC LINE TRANSCEIVER, CDIP28, CERDIP-28, Line Driver or Receiver
LT1330CJW	Linear	获取价格	5V RS232 Transceiver with 3V Logic Interface and One Receiver Active in Shutdown
LT1330CN	Linear	获取价格	IC LINE TRANSCEIVER, PDIP28, PLASTIC, DIP-28, Line Driver or Receiver
LT1330CNW	Linear	获取价格	5V RS232 Transceiver with 3V Logic Interface and One Receiver Active in Shutdown
LT1330CNW#PBF	Linear	获取价格	LT1330 - 5V RS232 Transceiver with 3V Logic Interface and One Receiver Active in Shutdown;
LT1330CNW#TRPBF	Linear	获取价格	IC TRIPLE LINE TRANSCEIVER, PDIP28, 0.600 INCH, LEAD FREE, PLASTIC, DIP-28, Line Driver or
LT1330CS	ETC	获取价格	Transceiver

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