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MSM7508 Datasheet

  • MSM7508

  • OKI electronic componets [Single Rail CODEC]

  • OKI

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E2U0013-28-81
隆 Semiconductor
MSM7508B/7509B
隆 Semiconductor
Single Rail CODEC
This version: Aug. 1998
MSM7508B/7509B
Previous version: Nov. 1996
GENERAL 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.
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
鈥?Single power supply: +5 V
鹵5%
鈥?Low power consumption
Operating mode:
17.5 mW Typ.
37 mW Max.
Power down mode:
1.5 mW Typ.
3 mW Max.
鈥?ITU-T Companding law
MSM7508B:
m-law
MSM7509B:
A-law
鈥?Built-in PLL eliminates a master clock
鈥?Transmission clock: 64/128/256/512/1024/2048 kHz
96/192/384/768/1536/1544/200 kHz
鈥?Adjustable transmit gain
鈥?Built-in reference voltage supply
鈥?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.
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