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TCM29C23 Fiches technique(PDF) 1 Page - Texas Instruments |
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TCM29C23 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 20 page TCM29C23, TCM129C23 VARIABLE-FREQUENCY PCM OR DSP INTERFACE SCTS029B − AUGUST 1989 − REVISED NOVEMBER 1996 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Combined ADC, DAC, and Filters D Extended Variable-Frequency Operation − Master Clock Up to 4.096 MHz − Sample Rates Up to 16 kHz − Passband Up to 6 kHz D Reliable Silicon-Gate CMOS Technology D Low Power Consumption − Operating Mode . . . 80 mW Typical − Power-Down Mode ...5 mW Typical D Excellent Power-Supply Rejection Ratio Over Frequency Range of 0 to 50 kHz D No External Components Needed for Sample, Hold, and Autozero Functions D Precision Internal Voltage References D μ-law and A-law Coding description The TCM29C23 and TCM129C23 are single-chip PCM codecs (pulse-code-modulated encoders and decoders) and PCM lines filters. These devices provide all the functions required to interface a full-duplex (4-wire) voice telephone circuit with a TDM (time-division-multiplexed) system. Primary applications include digital encryption systems, digital voice-band data storage systems, digital signal processing, and mobile telephones. These devices are designed to perform the transmit encoding (A/D conversion) and receive decoding (D/A conversion) as well as the transmit and receive filtering functions in a pulse-code-modulated system. They are intended to be used at the analog termination of a PCM line or trunk. The TCM29C23 and TCM129C23 provide the band-pass filtering of the analog signals prior to encoding and after decoding. These combination devices perform the encoding and decoding of voice and call progress tones as well as the signaling and supervision information. The TCM29C23 is characterized for operation from 0°C to 70°C. The TCM129C23 is characterized for operation from −40°C to 85°C. These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. Copyright © 1996, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VBB PWRO+ PWRO− GSR PDN CLKSEL DCLKR PCM IN FSR/TSRE DGTL GND VCC GSX ANLG IN− ANLG IN+ ANLG GND SIGX/ASEL TSX/DCLKX PCM OUT FSX/TSXE CLKR/CLKX DW OR N PACKAGE (TOP VIEW) |
Numéro de pièce similaire - TCM29C23_12 |
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Description similaire - TCM29C23_12 |
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