TP3057, TP3054 Datasheet - National Semiconductor

TP3057 CODEC/Filter COMBO

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.

TP3057 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

TP3054-NationalSemiconductor.pdf