The TP3064A, TP3067A, TP13064A, and TP13067A are comprised of a single-chip PCM codec and PCM line filter, which can be used to interface a full-duplex voice telephone circuit with a TDM system. They provide functions including transmit high-pass and low-pass filtering, receive low-pass filter with (sin x)/x correction, µ-Law or A-Law compatible coder and decoder, internal precision voltage reference, serial I/O interface, internal autozero circuitry, etc. They support ±5V operation, have low operating power, and can automatically power down. They have a TTL- or CMOS-compatible digital interface and maximize line interface card circuit density. They are improved versions of National Semiconductor TP3064, TP3067, TP3064-X, and TP3067-X.
The TP3064A, TP3067A, TP13064A and TP13067A are single‑chip PCM codecs and line filters that provide full‑duplex voice telephone interfacing for TDM systems. They integrate A‑Law/µ‑Law encoding, decoding, and band‑pass filtering, and are pin‑compatible with earlier TI devices.
The document provides electrical characteristics, absolute maximum ratings, timing requirements, filter gain data, and typical application circuits. It also includes recommended operating conditions, supply voltage specifications, and safety notices for critical applications.
| Supply voltage (VBB) | -5 V ±5% |
|---|---|
| High‑level output voltage (DX) | 2.4 V |
| Common‑mode rejection ratio (CMRR) | 60 dB |
The high‑level output voltage on DX is typically 2.4 V.