(Hong Kong)
Product Summary
The LTC1338CSW#TR is a 5-driver/3-receiver RS232 transceiver with very low supply current. In the no load condition, the supply current is only 500mA. The charge pump only requires four 0.1mF capacitors. In SHUTDOWN mode, the supply current is further reduced to 0.2mA. In RECEIVER ALIVE mode, all three receivers are kept alive and the supply current is 50mA. All RS232 outputs assume a high impedance state in SHUTDOWN and with the power off. The applications of the LTC1338CSW#TR include Battery-Powered Modems, Battery-Powered DCE, Notebook Computers, Palmtop Computers.
Parametrics
LTC1338CSW#TR absolute maximum ratings: (1)Supply Voltage (VCC): 6V; (2)Input Voltage, Driver: -0.3V to VCC + 0.3V; Receiver: -25V to 25V; (3)Driver/Receiver Enable Pin: -0.3V to VCC + 0.3V; (4)Output Voltage, Driver: -25V to 25V; Receiver: -0.3V to VCC + 0.3V; (5)Short Circuit Duration, V+: 30 sec; V–: 30 sec; (6)Driver Output: Indefinite; (7)Receiver Output: Indefinite.
Features
LTC1338CSW#TR features: (1)Low Supply Current: 500mA; (2)0.2mA Supply Current in SHUTDOWN; (3)50mA Supply Current in RECEIVER ALIVE Mode; (4)ESD Protection Over ±10kV; (5)Operates from a Single 5V Supply; (6)Uses Small Capacitors: 0.1mF; (7)Operates to 120k Baud; (8)Three-State Outputs Are High Impedance When Off; (9)Output Overvoltage Does Not Force Current Back into Supplies; (10)RS232 I/O Lines Can Be Forced to ±25V Without Damage; (11)Flowthrough Architecture.
Diagrams
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 LTC1338CSW#TR |
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IC TXRX RS232 5V LOW PWR 28SOIC |
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LTC1338CSW#TRPBF |
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IC 5DVR/3RCVR 5V RS232 28-SOIC |
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