ML145442 Datasheet | LANSDALE Semiconductor

Features : - - - - - - - - - - - - - - - - ML145442 patible with CCITT V .21 ML145443 patible with Bell 103 Low- Band and High- Band Band- Pass Filters On- Chip Simplex, Half- Duplex, and Full- Duplex Operation Originate and Answer Mode Analog Loopback Configuration for Self Test Hybrid Network Function On- Chip Carrier Detect Circuit On- Chip Adjustable Transmit Level and CD Delay Timing On- Chip Crystal Oscillator (3.579 MHz) Single +5 V Power Supply Operation Internal Mid- Supply Generator Power- Down Mode Pin patible with MM74HC943 Capable of Driving - 9 d Bm into a 600 W Load Operating Temperature Range = TA - 40° to +85°C P DIP 20 = RP PLASTIC DIP CASE 738 20 1 20 1 SOG 20 = -6P SOG PACKAGE CASE 751D CROSS REFERENCE/ORDERING INFORMATION LANSDALE MOTOROLA PACKAGE P DIP 20 H SO 20W P DIP 20 H SO 20W MC145442BP MC145442BDW MC145443BP MC145443BDW ML145442RP ML145442-6P ML145443RP ML145443-6P Note: Lansdale lead free (Pb) product, as it bees available, will be identified by a part number prefix change from ML to MLE. PIN ASSIGNMENT DSI LB CD CDT Rx D V DD CDA X out X in FB 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 TLA VAG Exl Tx A Rx A1 Rx A2 SQT MODE V SS Tx D Page 1 of 11 .lansdale. Issue b B ML145442, ML145443 .. LANSDALE Semiconductor, Inc. BLOCK DIAGRAM 4 7 CARRIER 3 DETECT AC AMP - DEMOD 5 CDT CDA CD Rx D Rx A2 15 Rx A1 16 LOW- BAND BPF - + S/H HIGH- BAND BPF 10 FB 1 DSI SMOOTHING FILTER - + 17 18 Tx A Ex I LB MODE SQT Tx D TLA Xout Xin 2 13 14 11 20 8 9 MODE CONTROL MODULATOR OSCILLATOR CLOCK DIVIDER SAMPLING CLOCK: 77.82 k Hz SAMPLING CLOCK: 19.46 k Hz INTERNAL...