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High-speed ADCs (>10MSPS)

AFE7225

ACTIVE

Dual-Channel, 12-Bit, 125-MSPS ADC & Dual-Channel 12-Bit 250-MSPS DAC With Auxiliary ADC and DACs

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Data sheet

AFE7225

ACTIVE
Data sheet Order now

Product details

Sample rate (Max) (MSPS) 125, 250 Resolution (Bits) 12 Number of input channels 2 Interface type Parallel CMOS, Serial LVDS Analog input BW (MHz) 230 Features Low Power Rating Catalog Input range (Vp-p) 2 Power consumption (Typ) (mW) 362 Architecture Pipeline SNR (dB) 70.7 ENOB (Bits) 9.8 SFDR (dB) 84 Operating temperature range (C) -40 to 85 Input buffer Yes
Sample rate (Max) (MSPS) 125, 250 Resolution (Bits) 12 Number of input channels 2 Interface type Parallel CMOS, Serial LVDS Analog input BW (MHz) 230 Features Low Power Rating Catalog Input range (Vp-p) 2 Power consumption (Typ) (mW) 362 Architecture Pipeline SNR (dB) 70.7 ENOB (Bits) 9.8 SFDR (dB) 84 Operating temperature range (C) -40 to 85 Input buffer Yes
VQFN (RGC) 64 81 mm² 9 x 9
  • AFE7225
    • Dual 12-Bit 250MSPS TX DACs
    • Dual 12-Bit 125MSPS RX ADCs
  • AFE7222
    • Dual 12-Bit 130MSPS TX DACs
    • Dual 12-Bit 65MSPS RX ADCs
  • OPTIONS
    • Dual 12-Bit Auxiliary DACs
    • Dual Input 12-Bit Auxiliary ADC
    • TX Path Interpolation by 2 or 4
    • RX Path Decimation by 2
    • 3.0V/1.8V Supplies, Low Power
    • Fast Wakeup Modes for Half-Duplex
    • Coarse or Fine Digital Mixer
    • Quadrature Modulation Corrections
    • Clock Input Divide/Multiply
    • Serial LVDS or Interleaved Parallel CMOS Interface
    • 64-Pin QFN Package (9mm × 9mm)
  • AFE7225
    • Dual 12-Bit 250MSPS TX DACs
    • Dual 12-Bit 125MSPS RX ADCs
  • AFE7222
    • Dual 12-Bit 130MSPS TX DACs
    • Dual 12-Bit 65MSPS RX ADCs
  • OPTIONS
    • Dual 12-Bit Auxiliary DACs
    • Dual Input 12-Bit Auxiliary ADC
    • TX Path Interpolation by 2 or 4
    • RX Path Decimation by 2
    • 3.0V/1.8V Supplies, Low Power
    • Fast Wakeup Modes for Half-Duplex
    • Coarse or Fine Digital Mixer
    • Quadrature Modulation Corrections
    • Clock Input Divide/Multiply
    • Serial LVDS or Interleaved Parallel CMOS Interface
    • 64-Pin QFN Package (9mm × 9mm)

The AFE7225/7222 is an analog front end designed for full- or half-duplex radios. Over-sampling transmit 12-bit DACs provide output frequencies from baseband to Nyquist. Under-sampling receive 12-bit ADCs allow analog inputs from baseband to ~230MHz. Most blocks within the AFE7225/7222 are independently controlled for optimization of power consumption versus utilization. Two auxiliary control 12-bit DACs and a dual input auxiliary monitoring 12-bit ADC are available via serial interface. Digital features include QMC (quadrature modulation correction), interpolation, decimation, RMS/peak power meter and mixers with independent NCOs for RX and TX path.

The AFE7225/7222 is available in a 64-pin 9x9mm QFN package (RGC). The AFE7225/7222 is built on Texas Instrument’s low power analog CMOS process and is specified over the full industrial temperature range (–40°C to 85°C).

The AFE7225/7222 is an analog front end designed for full- or half-duplex radios. Over-sampling transmit 12-bit DACs provide output frequencies from baseband to Nyquist. Under-sampling receive 12-bit ADCs allow analog inputs from baseband to ~230MHz. Most blocks within the AFE7225/7222 are independently controlled for optimization of power consumption versus utilization. Two auxiliary control 12-bit DACs and a dual input auxiliary monitoring 12-bit ADC are available via serial interface. Digital features include QMC (quadrature modulation correction), interpolation, decimation, RMS/peak power meter and mixers with independent NCOs for RX and TX path.

The AFE7225/7222 is available in a 64-pin 9x9mm QFN package (RGC). The AFE7225/7222 is built on Texas Instrument’s low power analog CMOS process and is specified over the full industrial temperature range (–40°C to 85°C).
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Technical documentation

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Type Title Date
* Data sheet Analog Front End Wideband Mixed-Signal Transceiver. datasheet (Rev. B) 16 Mar 2012
Application note Working with DC coupled Clock pins in AFE7225 05 Nov 2015
Application note Characterization Report for FMC30RF 18 Sep 2014
EVM User's guide AFE722xEVM User's Guide 05 Feb 2013
User guide AFE722XEVM-DesignPkg - rev B board 10 Nov 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

AFE7225EVM — AFE7225 Evaluation Module

The AFE7225EVM is a circuit board that allows designers to evaluate the performance of Texas Instruments' two-channel AFE7225, a low power analog front end mixed-signal transceiver. The AFE7225 contains dual 12-bit 125MSPS ADCs and dual 12-bit 250MSPS DACs, along with 2x/4x interpolation, /2 (...)

document-generic User guide
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GUI for evaluation module (EVM)

AFE722XEVM GUI

SLOC263.ZIP (56581 KB)
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Plug-in

ABACO-3P-FMC30RFFPGA — Abaco Systems® FMC30RF FPGA mezzanine card

The FMC30RF is an FMC daughter card which is fully compliant with the VITA 57.1 FMC standard. The FMC30RF offers in a small footprint, a low power and fully featured Rx/Tx signal path for the development of advanced RF solutions. With a frequency range coverage from 400 MHz to 3.0 GHz and up to 30 (...)
From: Abaco Systems
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Support software

DATACONVERTERPRO-SW — High-speed data converter pro software

This high-speed data converter pro GUI is a PC (Windows® XP/7/10 compatible) program designed to aid in evaluation of most TI high-speed data converter and analog front-end (AFE) platforms. Designed to support the entire TSW14xxx series of data-capture and pattern-generation cards, (...)
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Simulation model

AFE7225 IBIS Model

SLOM266.ZIP (91 KB) - IBIS Model
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Schematic

AFE722XEVM Design Package - Board rev C

SLAC674.ZIP (6132 KB)
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Package Pins Download
VQFN (RGC) 64 View options

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