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MSM7540

Part Number MSM7540
Manufacturer OKI
Title Single Rail ADPCM CODEC
Description The MSM7540/7560 are single channel ADPCM CODEC ICs which perform mutual transcoding between an analog voice band signal 300 to 3400 Hz and 32 kbp...
Features
• Single 5 V Power Supply Operation
• ADPCM Algorithm : Complies completely with 1988's version ITU-T G.721 (32 kbps)
• Transmit/Receive Full-Duplex Operation
• Transmit/Receive Synchronous Mode Only
• Serial ADPCM Transmission Data Rate : 32 kbps to 2048 kbps
• Serial PCM Transmission Data Rate : ...

File Size 156.24KB
Datasheet MSM7540 PDF File







Similar Datasheet

MSM7540L : The MSM7540L/7560L are single channel ADPCM CODEC ICs which perform mutual transcoding between an analog voice band signal 300 to 3400 Hz and 32 kbps ADPCM serial data. Using advanced circuit technology, these devices operate from a single 3 V power supply and provide low power consumption. The MSM7540L/7560L are optimized for advanced digital cordless telephone system applications. FEATURES • Single 3 V Power Supply Operation • ADPCM Algorithm : Complies completely with 1988's version ITU-T G.721 (32 kbps) • Transmit/Receive Full-Duplex Operation • Transmit/Receive Synchronous Mode Only • Serial ADPCM Transmission Data Rate : 32 kbps to 2048 kbps • Serial PCM Transmission Data Rate : 64 k.

MSM7541 : The MSM7541 and MSM7542 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 digital wireless systems. The MSM7541 and MSM7542 use newly designed operational amplifiers to maintain small current deviations caused by power voltage fluctuations. The devices use the same transmission clocks as those used in the MSM7508B and MSM7509B. The analog output signal, which is of a differential type, directly drives a piezoelectric type handset receiver. FEATURES • Single power supply: +3.0 .

MSM7543 : The MSM7543 and MSM7544 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 digital wireless systems, ISDN terminals, and digital PBXs. The MSM7543 and MSM7544 use newly-designed operational amplifiers to keep small current deviations caused by power voltage fluctuations. The devices use the same transmission clocks as those used in the MSM7508B and MSM7509B. The analog output signal, which is of a differential type and can drive a 600 W load, can directly drive a handset receive.




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