For more information www.linear.com/1039 The driver output stage of the LT" />
參數(shù)資料
型號(hào)： LT1039ACSW16#PBF
廠商： Linear Technology
文件頁(yè)數(shù)： 11/14頁(yè)
文件大小： 0K
描述： IC DRIVR/RCVR TRIPL-RS232 16SOIC
標(biāo)準(zhǔn)包裝： 47
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 3/3
規(guī)程： RS232
電源電壓： 5 V ~ 15 V
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC
包裝： 管件
LT1039A/LT1039A-16
6
1039afb
For more information www.linear.com/1039
The driver output stage of the LT1039A offers significantly
improvedprotectionoverolderbipolarandCMOSdesigns.
In addition to current limiting, the driver output can be
externally forced to ±30V with no damage or excessive
current flow.
applicaTions inForMaTion
–30V
30V
LT1039A
OUTPUT CAN
BE FORCED
EXTERNALLY
1039A AI01
WITH SOME DRIVERS,
EXTERNALLY APPLIED
VOLTAGE CAN FORCE
THE SUPPLIES
1039A AI02
V+
V–
LT1039A #1
DRIVER
LT1039A #2
DRIVER
LOGIC
INPUT A
LOGIC
INPUT B
1039A AI03
ON/OFF
(CHANNEL SELECT)
INPUT
LOGIC
INVERTER
RS232
TRANSMISSION
LINE
LT1039A #1
RECEIVER
RS232
INPUT A
RS232
INPUT B
1039A AI04
ON/OFF
(CHANNEL SELECT)
INPUT
LOGIC
INVERTER
LOGIC
OUTPUT
LT1039A #2
RECEIVER
LT1039A #1
DRIVER
LOGIC
TRANSMIT/RECEIVE
LINE
RS232
TRANSMIT/RECEIVE
LINE
1039A AI05
ON/OFF
(TRANSMIT/RECEIVE)
INPUT
LOGIC
INVERTER
LT1039A #2
RECEIVER
LT1039A Driver
Sharing a Receiver Line
Transceiver
Older RS232 Drivers and Other CMOS Drivers
Sharing a Transmitter Line
The driver outputs utilize high impedance overvoltage
protection, eliminating the flow of fault currents into
supplies, as will happen with conventional diode clamp-
configurations.
Placing the LT1039A in the shutdown mode (Pin 17 low)
puts both the driver and receiver outputs in a high imped-
ance state. This allows data line sharing and transceiver-
applications.
The shutdown mode also drops all supply currents (VCC,
V+, V–) to zero for power conscious systems.
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