AFE8201

Features: · 12-BIT, 80MSPS ADC· INTEGRATED DIGITAL DOWNCONVERTER (DDC): Quadrature Mixer/NCO CIC Decimation Filter FIR Filters· MIXER: 32-BIT FREQUENCY AND PHASE· DECIMATION RATIO: 32 to 4096· USER PROGRAMMABLE FIR FILTERS WITH 16-BIT COEFFICIENTS· 12-BIT AUXILIARY DAC· DATA INTERFACE COMPATIBLE W...

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AFE8201 Picture
SeekIC No. : 004278494 Detail

AFE8201: Features: · 12-BIT, 80MSPS ADC· INTEGRATED DIGITAL DOWNCONVERTER (DDC): Quadrature Mixer/NCO CIC Decimation Filter FIR Filters· MIXER: 32-BIT FREQUENCY AND PHASE· DECIMATION RATIO: 32 to 4096· USER ...

floor Price/Ceiling Price

Part Number:
AFE8201
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: 2024/11/21

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Product Details

Description



Features:

· 12-BIT, 80MSPS ADC
· INTEGRATED DIGITAL DOWNCONVERTER (DDC): Quadrature Mixer/NCO CIC Decimation Filter FIR Filters
· MIXER: 32-BIT FREQUENCY AND PHASE
· DECIMATION RATIO: 32 to 4096
· USER PROGRAMMABLE FIR FILTERS WITH 16-BIT COEFFICIENTS
· 12-BIT AUXILIARY DAC
· DATA INTERFACE COMPATIBLE WITH TI C5x/C6x DSP BUFFERED SERIAL PORT (McBSP): Code Composer Module for Easy Software Generation
· SPI CONTROL INTERFACE
· 3.3V ANALOG, 1.8V DIGITAL SUPPLY
· 1.8V to 3.3V I/O SUPPLY
· TQFP-48



Application

· SOFTWARE RADIOS
· IF RECEIVE CHANNEL
· DIGITAL RADIO RECEIVERS
· NARROWBAND RECEIVERS



Pinout

  Connection Diagram


Specifications

 
AFEDRI8201
UNIT
Supply Voltage Range AVDD
−0.5 to 4.0
V
DVDD
−0.5 to 2.3
V
IOVDD
−0.5 to 3.6
V
Voltage between AGND and DGND
−0.3 to 0.5
V
Voltage between AVDD and DVDD
−3.3 to 3.3
V
Digital inputs(2)
−0.3 to DVDD + 0.3
V
Digital data output
−0.3 to DVDD + 0.3
V
Operating free-air temperature range, TA
−40 to +85
Storage temperature range
−55 to +125

(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only; functional operation of the device at these or any other conditions beyond those indicated under the Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) Measured with respect to DGND.




Description

The AFE8201 consists of a general-purpose, 80MSPS, 12-bit analog-to-digital converter (ADC), a digital downconverter (DDC), and user-programmable digital filters. It is designed to sample narrowband (2.5MHz or less) IF signals and digitally mix, filter, and decimate the signals to baseband.

The AFE8201 DDC consists of a digital quadrature mixer followed by a CIC decimation filter and FIR filters. The mixer frequency and initial phase are independently programmed by 32-bit control words. After the CIC filter, the internal I and Q signals are passed on to the first FIR filter, which can implement even, odd, halfband, and arbitrary impulse responses with up to 62 taps using 16-bit coefficients. Following the first FIR filter are two parallel FIR filters that can be used to provide two output streams or interleaved to form one extended filter with up to 262 taps.

The AFE8201 also contains a 12-bit general-purpose auxiliary digital-to-analog converter (DAC) for applications such as AGC amplifier control. Control register data as well as decimation filter coefficients are written to the AFE8201 through the industry-standard SPI control interface.

The baseband output signals of AFE8201 are transported through a generalpurpose, high-speed serial interface that is compatible with TI C5x/C6x DSP family buffered serial ports (McBSP).




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