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CPC5620ATR Datasheet(PDF) 5 Page - IXYS Corporation |
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CPC5620ATR Datasheet(HTML) 5 Page - IXYS Corporation |
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5 / 18 page ![]() INTEGRATED CIRCUITS DIVISION CPC5620/CPC5621 R05 www.ixysic.com 5 1.3 Pin Description Figure 1. Pinout Pin Name Function 1 VDD Low-voltage (CPE) side power supply 2 TXSM Transmit summing junction 3TX- Negative differential transmit signal to DAA from low-voltage side 4TX+ Positive differential transmit signal to DAA from low-voltage side 5 TX Transmit differential amplifier output 6MODE When asserted low, changes gain of TX path (-7 dB) and RX path (+7 dB) to accommodate reactive termination networks 7 GND Low-voltage (CPE) side analog ground 8OH Assert logic low for off-hook operation 9RING Ringing Detect Output 10 CID Assert logic low while on hook to allow CID information to be passed to the RX+ and RX- output pins. 11 RX- Negative differential analog signal received from the telephone line. Must be AC coupled with 0.1 F. 12 RX+ Positive differential analog signal received from the telephone line. Must be AC coupled with 0.1 F. 13 SNP+ Positive differential snoop input 14 SNP- Negative differential snoop input 15 RXF Receive photodiode amplifier output 16 RX Receive photodiode summing junction 17 VDDL Power supply for line side, regulated from tip and ring. 18 RXS Receive isolation amp summing junction 19 RPB Receive LED pre-bias current set 20 BR- Bridge rectifier return 21 ZDC Electronic inductor DCR/current limit 22 DCS2 DC feedback output 23 DCS1 V to I slope control 24 NTF Network amplifier feedback 25 GAT External MOSFET gate control 26 NTS Receive signal input 27 BR- Bridge rectifier return 28 TXSL Transmit photodiode summing junction 29 ZNT Receiver impedance set 30 ZTX Transmit transconductance gain set 31 TXF Transmit photodiode amplifier output 32 REFL 1.25 VDC reference 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 V DD TXSM TX- TX+ TX MODE GND OH RING CID RX- RX+ SNP+ SNP- RXF RX REFL TXF ZTX ZNT TXSL BR- NTS GAT NTF DCS1 DCS2 ZDC BR- RPB RXS V DDL |
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