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TP13067A Folha de dados(PDF) 1 Page - Texas Instruments |
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TP13067A Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 20 page TP3064A, TP3067A, TP13064A, TP13067A MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER SCTS025C – SEPTEMBER 1992 –REVISED JULY 1996 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Complete PCM Codec and Filtering Systems Include: – Transmit High-Pass and Low-Pass Filtering – Receive Low-Pass Filter With (sin x)/x Correction – Active RC Noise Filters – µ-Law or A-Law Compatible Coder and Decoder – Internal Precision Voltage Reference – Serial I/O Interface – Internal Autozero Circuitry D µ-Law – TP3064B and TP13064B D A-Law – TP3067B and TP13067B D ±5-V Operation D Low Operating Power...70 mW Typ D Power-Down Standby Mode...3 mW Typ D Automatic Power Down D TTL- or CMOS-Compatible Digital Interface D Maximizes Line Interface Card Circuit Density D Improved Versions of National Semiconductor TP3064, TP3067, TP3064-X, TP3067-X description The TP3064A, TP3067A, TP13064A, and TP13067A are comprised of a single-chip PCM codec (pulse-code-modulated encoder and de- coder) and PCM line filter. These devices provide all the functions required to interface a full-duplex (2-wire) voice telephone circuit with a TDM (time-division-multiplexed) system. These de- vices are pin-for-pin compatible with the National Semiconductor TP3064A and TP3067A, respec- tively. Primary applications include: • Line interface for digital transmission and switching of T1 carrier, PABX, and central office telephone systems • Subscriber line concentrators • Digital-encryption systems • Digital voice-band data-storage systems • Digital signal processing 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 PCM system. They are intended to be used at the analog termination of a PCM line or trunk. The devices require two transmit and receive master clocks that may be asynchronous (1.536 MHz, 1.544 MHz, or 2.048 MHz), transmit and receive data clocks that are synchronous with the master clock (but can vary from 64 kHz to 2.048 MHz), and transmit and receive frame-sync pulses. The TP3064A, TP3067A, TP13064A, and TP13067A provide the band-pass filtering of the analog signals prior to encoding and after decoding of voice and call progress tones. The TP3067A and TP13067A contain patented circuitry to achieve low transmit channel idle noise and are not recommended for applications in which the composite signals on the transmit side are below – 55 dBm0. The TP3064A and TP3067A are characterized for operation from 0 °C to 70°C. The TP13064A and TP13067A are 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 CMOS 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. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VPO+ ANLG GND VPO – VPI VFRO VCC FSR DR BCLKR/CLKSEL MCLKR/PDN VBB VFXI+ VFXI – GSX ANLG LOOP TSX FSX DX BCLKX MCLKX DW OR N PACKAGE (TOP VIEW) |
Nº de peça semelhante - TP13067A |
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Descrição semelhante - TP13067A |
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