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LTC1690

1690f LT/TP 0400 4K • PRINTED IN USA

©LINEAR TECHNOLOGY CORPORATION 1998

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

120

Ω

1.2k

5V

RX

1.2k

1690 TA02

RECEIVER

2.7k

2.7k

RS232 IN

RX

1690 TA03

RECEIVER

Receiver with Low Fail-Safe Output

RS232 Receiver

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LTC485

5V Low Power RS485 Interface Transceiver

Low Power

LTC1480

3.3V Ultralow Power RS485 Transceiver with Shutdown

Lower Supply Voltage

LTC1481

5V Ultralow Power RS485 Transceiver with Shutdown

Lowest Power

LTC1482

5V Low Power RS485 Transceiver with Carrier Detect Output

Low Power, High Output State when Inputs are Open,

Shorted or Terminated,

±15kV ESD Protection

LTC1483

5V Ultralow Power RS485 Low EMI Transceiver with Shutdown

Low EMI, Lowest Power

LTC1484

5V Low Power RS485 Transceiver with Fail-Safe Receiver Circuit

Low Power, High Output State when Inputs are Open,

Shorted or Terminated,

±15kV ESD Protection

LTC1485

5V RS485 Transceiver

High Speed, 10Mbps

LTC1487

5V Ultralow Power RS485 with Low EMI, Shutdown and

Highest Input Impedance, Low EMI, Lowest Power

High Input Impedance

LTC490

5V Differential Driver and Receiver Pair

Low Power, Pin Compatible with LTC1690

LTC491

5V Low Power RS485 Full-Duplex Transceiver

Low Power

LTC1535

Isolated RS485 Transceiver

LTC1685

52Mbps, RS485 Fail-Safe Transceiver

Pin Compatible with LTC485

LTC1686/LTC1687

52Mbps, RS485 Fail-Safe Driver/Receiver

Pin Compatible with LTC490/LTC491

LT1785/LT1791

±60V Fault Protected RS485 Half-/Full-Duplex Transceiver

±15kV ESD Protection