Overview

Features and Benefits

  • Complete Dual Matching ADCs
  • Low Power Dissipation: 215 mW (+3 V Supply)
  • Single Supply: 2.7 V to 5.5 V
  • Differential Nonlinearity Error: 0.4 LSB
  • On-Chip Analog Input Buffers
  • On-Chip Reference
  • Signal-to-Noise Ratio: 57.8 dB
  • Over Nine Effective Bits
  • Spurious-Free Dynamic Range: –73 dB
  • No Missing Codes Guaranteed
  • 28-Lead SSOP

Product Details

The AD9201 is a complete dual channel, 20 MSPS, 10-bit CMOS ADC. The AD9201 is optimized specifically for applications where close matching between two ADCs is required (e.g., I/Q channels in communications applications). The 20 MHz sampling rate and wide input bandwidth will cover both narrowband and spread-spectrum channels. The AD9201 integrates two 10-bit, 20 MSPS ADCs, two input buffer amplifiers, an internal voltage reference and multiplexed digital output buffers.

Each ADC incorporates a simultaneous sampling sample-and hold amplifier at its input. The analog inputs are buffered; no external input buffer op amp will be required in most applications. The ADCs are implemented using a multistage pipeline architecture that offers accurate performance and guarantees no missing codes. The outputs of the ADCs are ported to a multiplexed digital output buffer.

The AD9201 is manufactured on an advanced low cost CMOS process, operates from a single supply from 2.7 V to 5.5 V, and consumes 215 mW of power (on 3 V supply). The AD9201 input structure accepts either single-ended or differential signals, providing excellent dynamic performance up to and beyond its 10 MHz Nyquist input frequencies.

PRODUCT HIGHLIGHTS

  1. Dual 10-Bit, 20 MSPS ADCs
    A pair of high performance 20 MSPS ADCs that are optimized for spurious free dynamic performance are provided for encoding of I and Q or diversity channel information.
  2. Low Power
    Complete CMOS Dual ADC function consumes a low 215 mW on a single supply (on 3 V supply). The AD9201 operates on supply voltages from 2.7 V to 5.5 V.
  3. On-Chip Voltage Reference
    The AD9201 includes an on-chip compensated bandgap voltage reference pin programmable for 1 V or 2 V.
  4. On-chip analog input buffers eliminate the need for external op amps in most applications.
  5. Single 10-Bit Digital Output Bus
    The AD9201 ADC outputs are interleaved onto a single output bus saving board space and digital pin count.
  6. Small Package
    The AD9201 offers the complete integrated function in a compact 28-lead SSOP package.
  7. Product Family
    The AD9201 dual ADC is pin compatible with a dual 8-bit ADC (AD9281) and has a companion dual DAC product, the AD9761 dual DAC.

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Tools & Simulations

Design Tools

Visual Analog

For designers who are selecting or evaluating high speed ADCs, VisualAnalog™ is a software package that combines a powerful set of simulation and data analysis tools with a user-friendly graphical interface.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

PCN-PDN Information

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