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TP5510 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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TP5510 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 12 page TLH11186 February 1997 TP5510 Full Duplex Analog Front End (AFE) for Consumer Applications General Description The TP5510 consists of a m-law monolithic AFE device uti- lizing the AD and DA conversion architecture shown in Figure 1 and a serial data interface The device is fabricat- ed using National’s advanced double-poly CMOS process (microCMOS) The AD portion of the device consists of an input gain adjust amplifier an active RC pre-filter which eliminates very high frequency noise and a switched-capacitor band-pass filter that rejects signals below 200 Hz and above 3400 Hz Also included are auto-zero circuitry and a compressing AD which samples the filtered signal and converts it to the m -law digital format The decode portion of the device con- sists of an expanding DA which reconstructs the analog signal from the compressed m-law code a low-pass filter which corrects for the sin xx response of the DA output and rejects signals above 3400 Hz followed by a single- ended power amplifier capable of driving low impedance loads The device requires a 1536 MHz 1544 MHz or 2048 MHz master clock bit clocks which may vary from 64 kHz to 2048 MHz and 8 kHz frame sync pulses Features Y Complete AD and DA with filter system including Serial Data Interface Encode high-pass and low-pass filter Decode low-pass filter with sin xx correction Active RC noise filters m -law compatible AD and DA Internal precision voltage reference Internal auto-zero circuitry Y m -lawTP5510 Y g 5V operation Y Low operating powertypically 60 mW Y Power-down standby modetypically 3 mW Y Automatic power-down Y TTL or CMOS compatible digital interfaces Y Maximizes PC card circuit density Y Plastic DIP and SOIC packages Y 8-bit digital IO Y 13-bit dynamic range Y Use with DSP processor Y Applications Tapeless Answering Machines Cordless Phones Cellular Radio Connection Diagram Dual-In-Line Package TLH11186 – 1 Top View Order Number TP5510WM See NS Package Number M16B Order Number TP5510N See NS Package Number N16A TRI-STATE is a registered trademark of National Semiconductor Corporation C1996 National Semiconductor Corporation RRD-B30M27Printed in U S A http www nationalcom |
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