Description
TP3054 TP3057 ‘‘Enhanced’’ Serial Interface CODEC Filter COMBO Family August 1994 TP3054 TP3057 ‘‘Enhanced’’ Serial Interface CODEC Filter COMBO Fam.
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.
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
Applications
* Y g5V operation
Y Low operating power typically 50 mW
Y Power-down standby mode typically 3 mW
Y Automatic power-down
Y TTL or CMOS compatible digital interfaces
Y Maximizes line interface card circuit density
Y Dual-In-Line or surface mount packages
Y See also AN-370 ‘‘Techniques for Designing with