MSM7541
Description
The MSM7541 and MSM7542 are single-channel CODEC CMOS ICs for voice signals ranging from 300 to 3400 Hz.
Key Features
- Single power supply: +3.0 V to +3.8 V
- ITU-T panding law MSM7541: m-law MSM7542: A-law
- Built-in PLL eliminates a master clock
- Adjustable transmit gain
- Adjustable receive gain
- Built-in reference voltage supply
- Built-in analog loop back test mode
- Differential type analog output. Directly drives a piezoelectric type receiver equivalent to 1.2 kW + 55 nF
