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T7531A

Features: ` Single 5 V power supply operation` Per-channel programmable transmit gain - 19.4 dB range, better than 0.01 dB steps`Per-channel programmable receive gain - 25.4 dB range, better than 0.01 dB steps` Per-channel programmable internal balance networks` Programmable termination impedances...

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SeekIC No. : 004511479 Detail

T7531A: Features: ` Single 5 V power supply operation` Per-channel programmable transmit gain - 19.4 dB range, better than 0.01 dB steps`Per-channel programmable receive gain - 25.4 dB range, better than 0....

T7531A Data Sheet

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Part Number:
T7531A
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: 2024/11/27

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Product Details

Description



Features:

` Single 5 V power supply operation
` Per-channel programmable transmit gain
   - 19.4 dB range, better than 0.01 dB steps
` Per-channel programmable receive gain
   - 25.4 dB range, better than 0.01 dB steps
` Per-channel programmable internal balance networks
` Programmable termination impedances
` Per-channel programmable m-law, A-law, or linear PCM output
` Automatic gain calibration
` Advanced board- and self-test capability
` Programmable time-slot assignment
` Data rate of 2.048 MHz or 4.096 MHz
` Differential transmit amplifiers
` Single-ended or differential receive amplifiers
` Analog and digital loopbacks
` Sigma-delta converters with dither noise reductio
` Serial microcontroller control interface
` JTAG test port


Pinout

Connection Diagram


Specifications

Parameter Symbol
Min
Max
Unit
Ambient Operating Temperature TA
-40
85
Operating Junction Temperature TJ
-40
125
Thermal Resistance, Junction to Case RJC
-
35
/W
Storage Temperature Range Tstg
-55
150
V
Power Supply Voltage VDD
4.75
5.25
Voltage on Any Pin with Respect to Ground VSS
-0.25
5.25
V
Package Power Dissipation PD
-
1
W

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational section of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability.


Description

The T7531A is a custom, 16-channel line card signal processor which, together with a pair of custom T7536 octal A/D and D/A converters, comprises a low-cost, highly programmable voice codec that is compatible with all worldwide POTS lines.

Transmit and receive gains and hybrid balance coefficients are programmable per channel. Termination impedance is programmable per chip set. These functions, as well as time-slot assignment, calibration,and board test, are controlled via a microcontroller interface.

The DSP engine in the T7531A can be used to test the line card. When voice processing is not required, the spare processing time can be allocated on a perline basis to a suite of user-controlled board-test routines. Providing intelligent board-test functionality at the line-card level frees the switch from having to perform test and error diagnosis tasks.




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