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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 telep.
• 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 kbps to 2048 kbps
• PCM Interface Coding Format MSM7540L : A-law or Linear (14 bit, 2's compliment) Selectable MSM7560L : m-law or Linear (14 bit, 2's compliment) Selectable
• Low Power Consumption Operating Mode : 18 mW Typ. (VDD = 3.0 V) Power-Down Mode : 0.3 mW Typ. (VDD = 3.0 V)
• Two Analog .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | MSM7560 |
OKI |
Single Rail ADPCM CODEC |
|
| 2 | MSM7564-01 |
OKI |
A Single Chip 14.4 kbps Data & Fax Modem |
|
| 3 | MSM7502 |
OKI |
Multi-Function PCM CODEC |
|
| 4 | MSM7507-xx |
OKI |
Single Rail CODEC |
|
| 5 | MSM7508B |
OKI |
(MSM7509B) Single Rail CODEC |
|
| 6 | MSM7510 |
OKI |
300 bps Full Duplex FSK Modem - ITU-T V.21 |
|
| 7 | MSM7512B |
OKI |
1200 bps Half Duplex FSK Modem - ITU-T V.23 |
|
| 8 | MSM7533V |
LAPIS |
2ch Single Rail CODEC |
|
| 9 | MSM7534 |
OKI |
(MSM7533) 2ch Single Rail CODEC |
|
| 10 | MSM7540 |
OKI |
Single Rail ADPCM CODEC |
|
| 11 | MSM7540L |
OKI |
Single Rail ADPCM CODEC |
|
| 12 | MSM7541 |
OKI |
(MSM7542) Single Rail CODEC |
|