TP3057, TP3054 - CODEC/Filter COMBO

National Semiconductor

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TP3057 Datasheet Preview — This datasheet PDF includes multiple part numbers: TP3057, TP3054. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	TP3057, TP3054
Manufacturer	National Semiconductor
File Size	170.42 KB
Description	CODEC/Filter COMBO
Datasheet	TP3054-NationalSemiconductor.pdf
Note	This datasheet PDF includes multiple part numbers: TP3057, TP3054. Please refer to the document for exact specifications by model.

TP3057 Product details

Description

The TP3054 TP3057 family consists of m-law and A-law monolithic PCM CODEC filters utilizing the A D and D A conversion architecture shown in Figure 1 and a serial PCM interface The devices are fabricated using National’s advanced double-poly CMOS process (microCMOS) The encode portion of each device consists of an input gain adjust amplifier an active RC pre-filter which eliminates very high frequency noise prior to entering a switched-capacitor band-pass filter that rejects signals below 200 Hz

Features

Y Complete CODEC and filtering system (COMBO) including Transmit high-pass and low-pass filtering Receive low-pass filter with sin x x correction Active RC noise filters m-law or A-law compatible COder and DECoder Internal precision voltage reference Serial I O interface Internal auto-zero circuitry Y m-law 16-pin TP3054 Y A-law 16-pin TP3057 Y Designed for D3 D4 and CCITT.

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Published: Oct 31, 2019 |