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MSM7542

Features: • Single power supply: +3.0 V to +3.8 V• Low power consumption Operating mode: 23 mW Typ. VDD = 3.3 V Power save mode: 1 mW Typ. VDD = 3.3 V Power down mode: 0.04 mW Typ. VDD = 3.3 V• ITU-T Companding law MSM7541: -law MSM7542: A-law• Built-in PLL eliminates a mas...

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SeekIC No. : 004429092 Detail

MSM7542: Features: • Single power supply: +3.0 V to +3.8 V• Low power consumption Operating mode: 23 mW Typ. VDD = 3.3 V Power save mode: 1 mW Typ. VDD = 3.3 V Power down mode: 0.04 mW Typ. VDD =...

MSM7542 Data Sheet

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Part Number:
MSM7542
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Single power supply: +3.0 V to +3.8 V
• Low power consumption
   Operating mode: 23 mW Typ. VDD = 3.3 V
   Power save mode: 1 mW Typ. VDD = 3.3 V
   Power down mode: 0.04 mW Typ. VDD = 3.3 V
• ITU-T Companding law
   MSM7541: -law
   MSM7542: A-law
• Built-in PLL eliminates a master clock
• Serial data rate: 64/128/256/512/1024/2048 kHz
                             96/192/384/768/1536/1544/200 kHz
• Adjustable transmit gain
• Adjustable receive gain
• Built-in reference voltage supply
• Built-in analog loop back test mode
• Differential type analog output. Directly drives a piezoelectric type receiver equivalent to 1.2 k + 55 nF
• Package options:
   20-pin plastic skinny DIP (DIP20-P-300-2.54-S1) (Product name : MSM7541RS)
                                                                                (Product name : MSM7542RS)
   24-pin plastic SOP (SOP24-P-430-1.27-K) (Product name : MSM7541GS-K)
                                                                     (Product name : MSM7542GS-K)
   26-pin plastic TSOP (TSOPII26/20-P-300-1.27-K) (Product name : MSM7541TS-K)
                                                                                (Product name : MSM7542TS-K)


Pinout

Connection Diagram


Specifications

Symbol
Parameter
Conditions
Limits
Unit
VDD
 Power Supply Voltage
-
0 to 7
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 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 MSM7542 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 MSM7542 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.




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