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XRT5683A Datasheet(PDF) 2 Page - Exar Corporation |
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XRT5683A Datasheet(HTML) 2 Page - Exar Corporation |
2 / 12 page XR-T5683A 2 Rev. 2.01 PIN CONFIGURATION 18 Lead PDIP (0.300”) 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 TVCC TPOS TCLK TXDATA- PDC RXDATA+ RXDATA- TE TGND TXDATA+ TNEG RPOS BIAS TANK BIAS RGND RCLK RNEG RVCC 18 Lead SOIC (JEDEC, 0.300”) 18 1 10 9 2 3 4 5 6 7 15 14 13 12 11 17 16 8 PDC RXDATA+ RXDATA- TE BIAS TANK BIAS RGND RCLK RVCC TVCC TPOS TCLK TXDATA- TGND TXDATA+ TNEG RPOS RNEG PIN DESCRIPTION Pin # Symbol Type Description 1 PDC Peak Detector Capacitor. This pin should be connected to a 0.1 µF capacitor. 2 RXDATA+ I Receive Analog Input Positive. Line analog input. 3 RXDATA- I Receive Analog Input Negative. Line analog input. 4 TE O Tank Excitation Output. This output connects to one side of the tank circuitry. 5 BIAS O Bias. This output is to be connected to the center tap of the receive transformer. 6 TANK BIAS O Tank Bias. The tank circuitry is biased via this output. 7 RGND Receiver Ground. To minimize ground interference a separate pin is used to ground the receive section. 8 RCLK O Recovered Receive Clock. Recovered clock signal to the terminal equipment. 9 RVCC Receive Supply Voltage. 5V supply voltage to the receive section. 10 RNEG O Receive Negative Data. Negative pulse data output to the terminal equipment (active low). 11 RPOS O Receive Positive Data. Positive pulse data output to the terminal equipment (active low). 12 TNEG I Transmit Negative Data. TNEG is valid while TCLK is high. 13 TXDATA+ O Transmit Positive Output. Transmit bipolar signal is driven to the line via a transformer. 14 TGND Transmit Ground. 15 TXDATA- O Transmit Negative Output. Transmit bipolar signal is driven to the line via a transformer. 16 TCLK I Transmit Clock. Timing element for TPOS and TNEG. 17 TPOS I Transmit Positive Data. TPOS is valid while TCLK is high. 18 TVCC Transmit Supply Voltage. 5V supply voltage to the transmit section. |
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