MSM7508B Description
The MSM7508B and MSM7509B are single-channel CODEC CMOS ICs for voice signals ranging from 300 to 3400 Hz. These devices contain filters for A/D and D/A conversion. Designed especially for a single-power supply and low-power applications, these devices are optimized for telephone terminals in ISDN and digital wireless systems.
MSM7508B Key Features
- Single power supply: +5 V ± 5%
- Low power consumption Operating mode: 17.5 mW Typ. 37 mW Max. Power down mode: 1.5 mW Typ. 3 mW Max
- ITU-T panding law MSM7508B: m-law MSM7509B: A-law
- Built-in PLL eliminates a master clock
- Transmission clock: 64/128/256/512/1024/2048 kHz 96/192/384/768/1536/1544/200 kHz
- Adjustable transmit gain
- Built-in reference voltage supply