MSM7543
Description
The MSM7543 and MSM7544 are single-channel CODEC CMOS ICs for voice signals ranging from 300 to 3400 Hz.
Key Features
- Single power supply: +5 V ± 5%
- ITU-T panding law MSM7543: m-law MSM7544: A-law
- The transmission characteristics of the devices ply with ITU-T G.714
- 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 600 W line transformer
