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CPC5604ATR 数据表(PDF) 6 Page - Clare, Inc. |
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CPC5604ATR 数据表(HTML) 6 Page - Clare, Inc. |
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6 / 33 page ![]() www.clare.com 6 CPC5604 XXX Pin # Name Function 1V CC Host power supply, +5 Volts +/-5%. 2 TXF1 TX isolation amplifier output. 3 TX - NEG differential transmit signal into DAA. 4 TX+ POS differential transmit signal into DAA. 5 TX TX differential amplifier input. 6 NC Not Connected. 7 GND Connect to host analog ground. 8 OH Driving this signal low asserts the off-hook condition. 9 RING Active low indicates an incoming half waved ring signal pulsed High to Low at the ring frequency-typically 20Hz. 10 CID Driving this signal low places the Caller ID information on the RX pins when the DAA is on hook (OH is deasserted). 11 RX- NEG differential analog receive signal from the tele- phone line and must be AC coupled with a 0.1 uF capacitor. 12 RX+ POS differential analog receive signal from the tele- phone line and must be AC coupled with a 0.1 uF capacitor. 13 SNP+ One of two differential snoop inputs. 14 SNP- One of two differential snoop inputs. 15 RXF Receive photodiode amplifier output. 16 RX Receive photoamplifier summing junction. 17 V DD Power supply for line side portion of CPC5604. 18 RXS Receive photodiode servo input. 19 RPB Sets receive LED prebias current. 20 BR- Return to bridge rectifier negative output. 21 ZDC Sets electronic inductor DCR/Current Limit. 22 DCF DC Filter Point. 23 DCS VI slope control via external resistor. 24 REF 1.25V internal voltage reference. 25 GAT Depletion MOSFET gate control. 26 NTS Receive signal input path via Tip and Ring. 27 BR- Return to bridge rectifier negative output. 28 TXS Receive photodiode amplifier input. 29 ZNT Sets DAA impedance via external passive network. 30 ZTX Transmit Transconductance gain setting pin. 31 TXF2 Receive photodiode amplifier output. 32 BR- Return to bridge rectifier negative output. 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 VCC TXF1 TX- TX+ TX NC GND OH RING CID RX- RX+ SNP+ SNP- RXF RX BR- TXF2 ZTX ZNT TXS BR- NTS GAT REF DCS DCF ZDC BR- RPB RXS VDD Table 2 -Package Pinout |
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