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TP3057

National Semiconductor
Part Number TP3057
Manufacturer National Semiconductor
Description CODEC/Filter COMBO
Published Oct 31, 2019
Detailed Description TP3054 TP3057 ‘‘Enhanced’’ Serial Interface CODEC Filter COMBO Family August 1994 TP3054 TP3057 ‘‘Enhanced’’ Serial In...
Datasheet PDF File TP3057 PDF File

TP3057
TP3057

Overview
TP3054 TP3057 ‘‘Enhanced’’ Serial Interface CODEC Filter COMBO Family August 1994 TP3054 TP3057 ‘‘Enhanced’’ Serial Interface CODEC Filter COMBO Family General 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 and above 3400 Hz Also i...


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