Datasheet

12
LTC1690
1690f LT/TP 0400 4K • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1998
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear-tech.com
120
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 2500V
RMS
Isolation, Full Duplex
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
TYPICAL APPLICATIONS
U