This document is the Simplifying System IntegrationTM 73M1922 Demo Board User Manual published by Teridian Semiconductor Corporation, which describes the features and characteristics of the product.
The Teridian 73M1922 Demo Board User Manual provides detailed information on the demo board that integrates the 73M1922 MicroDAA chipset. The board combines a Host Interface Chip (73M1902) and a Line Interface Chip (73M1912) to deliver modem codec functions, caller ID, ring detection, and other DAA features for PSTN connections.
The manual includes package contents, safety and ESD notes, connector descriptions, schematics, PCB layouts, bill of materials, pin definitions, related documentation, and contact information for support.
| Maximum data rate | V.92 |
|---|---|
| Package types | 20‑pin TSSOP or 32‑pin QFN |
| Integrated functions | DAA, analog front‑end, CID, ring detection, tip/ring polarity reversal, on/off‑hook control, pulse dialing, loop current regulation |
| Power supply voltage | 3.3 V |
All data and control information between the LIC and the HIC is transferred across a low‑cost pulse‑transformer barrier.