Oki Electric Industry MSM7508B
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.| Part No. | MSM7508B |
|---|---|
| Datasheet | MSM7508B Download |
| Manufacturer | Oki Electric Industry |
| Description | Single Rail CODEC |
| Buy | Stock & Price |
GENERAL DESCRIPTION
The MSM7508B/MSM7509B are the transmission-clocks extended versions of the MSM7508/ MSM7509. It is recommended to use the MSM7508/MSM7509 for the transmission clocks of 64, 128, 256kHz.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 Companding 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
● Package options: 16-pin plastic DIP (DIP16-P-300-2.54-W1) (Product name : MSM7508BRS) (Product name : MSM7509BRS) 24-pin plastic SOP (SOP24-P-430-1.27-K) (Product name : MSM7508BGS-K) (Product name : MSM7509BGS-K) 28-pin plastic QFJ (PLCC) (QFJ28-P-S450-1.27) (Product name : MSM7508BJS) (Product name : MSM7509BJS) Note: The product names are indicated in PIN CONFIGURATION. 1/17 ¡ Semiconductor MSM7508B/7509B BLOCK DIAGRAM AIN+ AIN– GSX SGC SG + – RC Active BPF (8th) AD Conv.
