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AD9867 - Broadband Modem Mixed-Signal Front End

Datasheet Summary

Description

The AD9867 is a mixed-signal front-end (MxFE) IC for transceiver applications requiring Tx and Rx path functionality with data rates up to 75 MSPS.

Its flexible digital interface, power-saving modes, and high Tx-to-Rx isolation make the part well suited for half-duplex and full-duplex applications.

Features

  • Low cost, 3.3 V CMOS MxFE® for broadband modems 10-bit digital-to-analog converter (DAC) 2×/4× interpolation filter 250 MSPS DAC update rate 10-bit, 75 MSPS ADC Low noise RxPGA Dual channel muxed input 6 dB input overload attenuator.
  • 12 dB to +48 dB (without attenuator) Third-order programmable low-pass filter Flexible digital datapath interface Half-duplex and full-duplex operation Programmable delay Tx driver disable signal Various power-down/reduction modes Internal clock multiplier (.

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Datasheet Details

Part number AD9867
Manufacturer Analog Devices
File Size 117.86 KB
Description Broadband Modem Mixed-Signal Front End
Datasheet download datasheet AD9867 Datasheet
Additional preview pages of the AD9867 datasheet.

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Full PDF Text Transcription

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Broadband Modem Mixed-Signal Front End AD9867 FEATURES Low cost, 3.3 V CMOS MxFE® for broadband modems 10-bit digital-to-analog converter (DAC) 2×/4× interpolation filter 250 MSPS DAC update rate 10-bit, 75 MSPS ADC Low noise RxPGA Dual channel muxed input 6 dB input overload attenuator −12 dB to +48 dB (without attenuator) Third-order programmable low-pass filter Flexible digital datapath interface Half-duplex and full-duplex operation Programmable delay Tx driver disable signal Various power-down/reduction modes Internal clock multiplier (PLL) 2 auxiliary programmable clock outputs 64-lead LFCSP FUNCTIONAL BLOCK DIAGRAM OSCIN XTAL CLKOUT1 CLKOUT2 AD9867 PWR_DWN TXEN/TXSYNC TXCLK/TXQUIET ADIO[9:5]/ Tx[4:0] 10 2×/4× TxDAC IOUT_P– 0 TO –7.
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