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TS5071 Datasheet(PDF) 1 Page - STMicroelectronics |
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TS5071 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 32 page  TS5070 TS5071 PROGRAMMABLE CODEC/FILTER COMBO 2ND GENERATION COMPLETE CODEC AND FILTER SYSTEM INCLUDING : – TRANSMIT AND RECEIVE PCM CHANNEL FILTERS – µ-LAW OR A-LAW COMPANDING CODER AND DECODER – RECEIVE POWER AMPLIFIER DRIVES 300 Ω – 4.096 MHz SERIAL PCM DATA (max) PROGRAMMABLE FUNCTIONS : – TRANSMIT GAIN : 25.4 dB RANGE, 0.1 dB STEPS – RECEIVE GAIN : 25.4 dB RANGE, 0.1 dB STEPS – HYBRID BALANCE CANCELLATION FIL- TER – TIME-SLOT ASSIGNMENT: UP TO 64 SLOTS/FRAME – 2 PORT ASSIGNMENT (TS5070) – 6 INTERFACE LATCHES (TS5070) –A OR µ-LAW – ANALOG LOOPBACK – DIGITAL LOOPBACK DIRECT INTERFACE TO SOLID-STATE SLICs SIMPLIFIES TRANSFORMER SLIC, SINGLE WINDING SECONDARY STANDARD SERIAL CONTROL INTERFACE 80 mW OPERATING POWER (typ) 1.5mW STANDBY POWER (typ) MEETS OR EXCEEDS ALL CCITT AND LSSGR SPECIFICATIONS TTL AND CMOS COMPATIBLE DIGITAL IN- TERFACES DESCRIPTION The TS5070 series are the second generationcom- bined PCM CODEC and Filter devices optimized for digital switching applications on subscriber and trunk line cards. Using advanced switched capacitor techniques the TS5070 and TS5071 combine transmit bandpass and receive lowpass channel filters with a com- panding PCM encoder and decoder. The devices are A-law and µ-law selectable and employ a con- ventional serial PCM interface capable of being clocked up to 4.096 MHz. A number of programma- ble functions may be controlled via a serial control port. Channel gains are programmable over a 25.4 dB range in each direction, and a programmable filter is included to enable Hybrid Balancing to be ad- justed to suit a wide range of loop impedance con- ditions. Both transformer and active SLIC interface circuits with real or complex termination impedances can be balanced by this filter, with cancellation in ex- cess of 30 dB being readily achievable when meas- ured across the passbandagainst standardtest ter- mination networks. To enable COMBO IIG to interface to the SLIC con- trol leads, a number of programmable latches are included ; each may be configured as either an in- put or an output. The TS5070 provides 6 latches and the TS5071 5 latches. December 1997 DIP20 (Plastic) ORDERING NUMBER:TS5071N PLCC28 ORDERING NUMBERS: TS5070FN TS5070FNTR 1/32 |
Número de pieza similar - TS5071 |
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Descripción similar - TS5071 |
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