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LTC1327

Linear Technology
Part Number LTC1327
Manufacturer Linear Technology
Description 3.3V Micropower EIA/TIA-562 Transceiver
Published Mar 22, 2005
Detailed Description LTC1327 3.3V Micropower EIA/TIA-562 Transceiver FEATURES s s s s s s s s DESCRIPTIO s s Low Supply Current 300µA 0....
Datasheet PDF File LTC1327 PDF File

LTC1327
LTC1327

Overview
LTC1327 3.
3V Micropower EIA/TIA-562 Transceiver FEATURES s s s s s s s s DESCRIPTIO s s Low Supply Current 300µA 0.
2µA Supply Current in SHUTDOWN ESD Protection ±10kV Operates From a Single 3.
3V Supply Uses Small Capacitors 0.
1µF Operates To 120k Baud Three-State Outputs are High Impedance When Off Output Overvoltage Does Not Force Current Back Into Supplies EIA/TIA-562 I/O Lines Can Be Forced to ± 25V Without Damage Flowthrough Architecture The LTC1327 is an advanced low power, three-driver/fivereceiver EIA/TIA-562 transceiver.
In the no load condition, the supply current is only 300µA.
The charge pump only requires four 0.
1µF capacitors.
In SHUTDOWN mode, the supply current is further reduced to 0.
2µA.
All EIA/TIA-562 outputs assume a high impedance state in SHUTDOWN and with the power off.
The LTC1327 is fully compliant with all data rate and overvoltage EIA/TIA-562 specifications.
The transceiver can operate up to 120k Baud with a 1000pF//3kΩ load.
Both driver outputs and receiver inputs can be forced to ± 25V without damage, and can survive multiple ±10kV ESD strikes.
APPLICATI s s S Notebook Computers Palmtop Computers TYPICAL APPLICATI V+ C1 0.
1µF C2 0.
1µF DR1 OUT RX1 IN DR2 OUT RX2 IN RX3 IN RX4 IN DR4 OUT RX5 IN ON/OFF VCC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 LTC1327 3-Drivers/5-Receivers with SHUTDOWN 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1327 TA01 Supply Current vs Temperature 600 C4 0.
1µF V– C3 0.
1µF DR1 IN RX1 OUT DR2 IN RX2 OUT RX3 OUT RX4 OUT DR3 IN RX5 OUT GND 500 QUIESCENT CURRENT (µA) VCC = 3.
3V ALL DRIVERS INPUTS TIED TO VCC 400 300 200 100 0 –20 U 1.
2 1.
0 SHUTDOWN CURRENT (µA) UO UO QUIESCENT CURRENT 0.
8 0.
6 SHUTDOWN CURRENT 0.
4 0.
2 0 20 40 60 TEMPERATURE (°C) 80 LTC1327 • TA02 1 LTC1327 ABSOLUTE W W W U AXI U RATI GS U W U PACKAGE/ORDER I FOR ATIO TOP VIEW V+ C1+ C1– 1 3 4 28 V– Supply Voltage (VCC) .
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5V Input Voltage Driver .
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