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LTC1546C Datasheet(PDF) 10 Page - Linear Technology |
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LTC1546C Datasheet(HTML) 10 Page - Linear Technology |
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10 / 20 page  10 LTC1546 Figure 17. Complete Multiprotocol Interface in EIA530 Mode LTC1546 DCE DTE LTC1546 1546 F17 D3 R1 103 Ω 103 Ω 103 Ω R3 LTC1544 D3 D4 R4 D2 R1 R4 R2 R3 LL TXC RXC RXD TXD SCTE TXC RXC RXD SERIAL CONTROLLER D2 103 Ω SCTE R2 D1 103 Ω TXD R3 R1 D2 D1 LTC1544 D3 R2 R1 D1 R3 D2 D1 D4 TXD SCTE TXC RXC RXD RTS DTR DCD DSR CTS LL RTS DTR DCD DSR CTS RTS DTR DCD DSR CTS LL SERIAL CONTROLLER R2 D3 Cable Termination Traditional implementations used expensive relays to switch resistors or required the user to change termina- tion modules every time a new interface standard was selected. Switching the terminations with FETs is difficult because the FETs must remain off when the signal voltage is beyond the supply voltage. Alternatively, custom cables may contain termination in the cable head or route signals to various terminations on the board. The LTC1546/LTC1544 chipset solves the cable termina- tion switching problem by automatically providing the appropriate termination and switching on-chip for the V.10 (RS423), V.11 (RS422), V.28 (RS232) and V.35 electrical protocols. APPLICATIO S I FOR ATIO |
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Similar Description - LTC1546C |
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