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MSM7540L

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&#...

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SeekIC No. : 004429090 Detail

MSM7540L: 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• Transm...

MSM7540L Data Sheet

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Part Number:
MSM7540L
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



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 kbps to 2048 kbps
• PCM Interface Coding Format
   MSM7540L : A-law or Linear (14 bit, 2's compliment) Selectable
   MSM7560L : -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 Input Amplifier Stages : Externally Adjustable Gain
• Analog Output Stage : Push-pull Drive (direct drive of 350 + 120 nF)
• Built-in Crystal Oscillator (10.368 MHz)
• Built-in Reference Voltage Supply
• Option Reset Specified by ITU-T G. 721/ADPCM
• Package:
   28-pin plastic SOP (SOP28-P-430-1.27-K) (Product name: MSM7540LGS-K)
                                                                      (Product name: MSM7560LGS-K)
   32-pin plastic TSOP (TSOPI32-P-814-0.50-1K) (Product name: MSM7560LTS-K)


Pinout

Connection Diagram


Specifications

Symbol
Parameter
Conditions
Limits
Unit
VDD
 Power Supply Voltage
-
0.3 to +5
V
VAIN
 Analog Input Voltage
0.3 to VDD + 0.3
V
VDIN
 Digital Input Voltage
0.3 to VDD + 0.3
V
TSTG
 Storage Temperature
-
55 to +150
°C



Description

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 MSM7540L 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.




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