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MSM7728

Features: • Single power supply :2.5 V to 3.6 V• Low power consumption Operating mode : 36 mW Typ. Power down mode : 0.003 mW Typ.• Digital signal input/output interface: 14-bit serial code in 2's complement format• Transmission clock frequency : 112 kHz min., 2048 kHz ma...

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SeekIC No. : 004429149 Detail

MSM7728: Features: • Single power supply :2.5 V to 3.6 V• Low power consumption Operating mode : 36 mW Typ. Power down mode : 0.003 mW Typ.• Digital signal input/output interface: 14-bit ...

MSM7728 Data Sheet

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Part Number:
MSM7728
Supply Ability:
5000

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  • 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 power supply                          : 2.5 V to 3.6 V
• Low power consumption
    Operating mode                               : 36 mW Typ.
    Power down mode                           : 0.003 mW Typ.
• Digital signal input/output interface  : 14-bit serial code in 2's complement format
• Transmission clock frequency            : 112 kHz min., 2048 kHz max.
• Filter characteristics : Complies with ITU-T Recommendation G.714
• Built-in PLL eliminates a master clock
• Built-in PB tone signal generator
• Built-in service tone generator
• Built-in ringer tone generator
• General latch output: 1 bit
• Both transmit and receive gain adjustable by external control
• Receive interface: Speaker direct drive output
                                Earphone interface output             : 600 , 1 mW max.
                                Ringer output                                 : 70 nF, 4 VPP
• Transmit gain adjustable using an external resistor
• Transmit microphone amplifier is eliminated by the gain setting of a maximum of 36 dB.
• Built-in reference voltage supply
• Serial 8-bit processor interface
• Package:
     30-pin plastic SSOP (SSOP30-P-56-0.65-K) (Product name: MSM7728GS-K)


Pinout

Connection Diagram


Specifications

Parameter Symbol Condition Rating Unit
Power Supply Voltage VDD AG = DG = 0 V 0.3 to +7.0 V
Analog Input Voltage VAIN AG = DG = 0 V 0.3 to VDD + 0.3 V
Digital Input Voltage VDIN AG = DG = 0 V 0.3 to VDD + 0.3 V
Storage Temperature TSTG   55 to +150 °C



Description

The MSM7728 is a single-channel linear CODEC CMOS IC for voice signals that contains filters for A/D and D/A conversions.

Designed especially for a single-power supply and low-power applications, the MSM7728 is optimized for applications for the analog interfaces of audio signal processing DSPs and digital wireless systems.

The analog outputs of MSM7728 include the speaker drive output, earphone drive output and ringer output. Therefore, the sound interface can be configured with a few external circuits.




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