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MTC20454

Features: ·Fully integrated quad AFE for ADSL·Overall 12 bit resolution·1.1MHz signal bandwidth·8.8 MS/s ADC·8.8 MS/s DAC·THD: -60 dB @ full scale·1 V full scale input·Differential analog I/O·Accurate continuous-time channel filtering·3rd & 4th order tuneable continuous time LP Filters·100 pin...

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SeekIC No. : 004430515 Detail

MTC20454: Features: ·Fully integrated quad AFE for ADSL·Overall 12 bit resolution·1.1MHz signal bandwidth·8.8 MS/s ADC·8.8 MS/s DAC·THD: -60 dB @ full scale·1 V full scale input·Differential analog I/O·Accura...

MTC20454 Data Sheet

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Part Number:
MTC20454
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: 2024/6/4

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Product Details

Description



Features:

·Fully integrated quad AFE for ADSL
·Overall 12 bit resolution
·1.1MHz signal bandwidth
·8.8 MS/s ADC
·8.8 MS/s DAC
·THD: -60 dB @ full scale
·1 V full scale input
·Differential analog I/O
·Accurate continuous-time channel filtering
·3rd & 4th order tuneable continuous time LP Filters
·100 pin TQFP package, Industrial Range qualified
·175 mW power consumption per line


Application

·ADSL Front-end for high density, low power central office and digital loop carrier equipment


Pinout

Connection Diagram


Specifications

Operation of the device beyond these limits may cause permanent damage. It is not implied that more than one of these conditions can be applied simultaneously.
Symbol Parameter Description Min Max Unit
VDD Any VDD supply voltage, related to substrate -0.5 5 Vhh
Vin Voltage at any input pin -0.5 VDD + 0.5 V
Tstg Storage Temperature -40 125
TL Lead Temperature (10 second soldering)   300
ILU Latch-up current @ 80 100   mA



Description

The MTC20454 is the first DynaMiTe ADSL (Asynchronous Digital Subscriber Line) analog front end designed specifically for the central office. It is afifth generation Analog Front End (AFE) designed for DMT based ADSL modems compliant with ITU G.992.1 and G.992.1 standards. It includes four 12 bit DACs and one 13 bit ADC.

It is intended to be used with the MTC20455 DMT/ ATM processor as part of the MTK20450. The MTC20454 provides programmable low pass filters for each of the two channels and automatic gain control for four individual ADSL modems.

The MTC20454 provides 13 bit dynamic range and a signal bandwidth of 1.1 MHz. The device consumes only 0.7 Watt in full operation of all four modems and has a power down mode for standby.

MTC20454 is housed in a compact 100 pin thin plastic quad flat package.




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