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Part Number: MSM7719-01
Description: The MSM7719, developed for PHS (Personal Handyphone System) applications, is an LSI device and contain...
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MSM7719-01
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DataSheet
General Description
MSM7719-01 General Description
The MSM7719, developed for PHS (Personal Handyphone System) applications, is an LSI device and contains a line echo canceler, an acoustic echo canceler (for handsfree conversation), and a single channel full-duplex ADPCM transcoder.
This device includes DTMF tone and several types of tone generation, transmit/receive data mute and gain control, and VOX function and is best suited for PHS applications.
MSM7719-01 Maximum Ratings
|
Parameter |
Symbol |
Condition |
Rating |
Unit |
| Power Supply Voltage |
VDD |
- |
0.3 to 7.0 |
V |
| Digital Input Voltage |
VAIN |
- |
0.3 to VDD + 0.3 | |
| Digital Output Voltage |
VOUT |
- |
0.3 to VDD + 0.3 | |
| Storage Temperature |
TSTG |
- |
55 to 150 |
°C |
MSM7719-01 Features
• Single 5 V power supply VDD : 4.5 V to 5.5 V
• ADPCM : ITU-T Recommendations G.726
• PCM interface coding format : m-law
• Built-in 2-channel (line and acoustic) echo canceler
Line echo canceler
Acoustic echo canceler (for handsfree conversation)
Echo attenuation : 30 dB (typ.)
Cancelable echo delay time :27 ms (max.) for line echo canceler +27 ms (max.) for acoustic echo canceler
Line echo canceler mode only : 54 ms (max.)
• Serial PCM/ADPCM transmission data rate : 64 kbps to 2048 kbps
• Low supply current
Operating mode : Typically 50 mA (VDD = 5.0 V)
Power-down mode : Typically 0.2 mA (VDD = 5.0 V)
• Master clock frequency : 9.6 to 10.0 MHz/19.2 to 20.0 MHz
• Transmit/receive mute, transmit/receive programmable gain control
• Built-in DTMF tone generator and various tones generator
• Control through parallel microcontroller interface Pin control available for line and acoustic echo cancelers
• Built-in VOX control
Transmit side : Voice/silence detect
Receive side : Background noise generation at the absence of voice signal
• Package:100-pin plastic TQFP (TQFP100-P-1414-0.50-K) (Product name : MSM7719-01TS-K)
• ADPCM : ITU-T Recommendations G.726
• PCM interface coding format : m-law
• Built-in 2-channel (line and acoustic) echo canceler
Line echo canceler
Acoustic echo canceler (for handsfree conversation)
Echo attenuation : 30 dB (typ.)
Cancelable echo delay time :27 ms (max.) for line echo canceler +27 ms (max.) for acoustic echo canceler
Line echo canceler mode only : 54 ms (max.)
• Serial PCM/ADPCM transmission data rate : 64 kbps to 2048 kbps
• Low supply current
Operating mode : Typically 50 mA (VDD = 5.0 V)
Power-down mode : Typically 0.2 mA (VDD = 5.0 V)
• Master clock frequency : 9.6 to 10.0 MHz/19.2 to 20.0 MHz
• Transmit/receive mute, transmit/receive programmable gain control
• Built-in DTMF tone generator and various tones generator
• Control through parallel microcontroller interface Pin control available for line and acoustic echo cancelers
• Built-in VOX control
Transmit side : Voice/silence detect
Receive side : Background noise generation at the absence of voice signal
• Package:100-pin plastic TQFP (TQFP100-P-1414-0.50-K) (Product name : MSM7719-01TS-K)
MSM7719-01 Connection Diagram
MSM7719-01
PDF/DataSheet Download
- Datasheet: MSM7719-01
- File Size: 233632 KB
- Manufacturer: OKI
- Click here to Download
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