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AD9653:  Quad, 16-Bit, 125 MSPS Serial LVDS 1.8 V Analog-to-Digital Converter

Product Details

Product Status:Recommended for New Designs

The AD9653 is a quad, 16-bit, 125 MSPS analog-to-digital converter (ADC) with an on-chip sample-and-hold circuit designed for low cost, low power, small size, and ease of use. The product operates at a conversion rate of up to 125 MSPS and is optimized for outstanding dynamic performance and low power in applications where a small package size is critical.

The ADC requires a single 1.8 V power supply and LVPECL-/ CMOS-/LVDS-compatible sample rate clock for full performance operation. No external reference or driver components are required for many applications.

The ADC automatically multiplies the sample rate clock for the appropriate LVDS serial data rate. A data clock output (DCO) for capturing data on the output and a frame clock output (FCO) for signaling a new output byte are provided. Individual-channel power-down is supported and typically consumes less than 2 mW when all channels are disabled. The ADC contains several features designed to maximize flexibility and minimize system cost, such as programmable output clock and data alignment and digital test pattern generation. The available digital test patterns include built-in deterministic and pseudorandom patterns, along with custom user-defined test patterns entered via the serial port interface (SPI).

The AD9653 is available in a RoHS-compliant, 48-lead LFCSP. It is specified over the industrial temperature range of −40°C to +85°C. This product is protected by a U.S. patent.

PRODUCT HIGHLIGHTS

  1. Small Footprint. Four ADCs are contained in a small, space-saving package.
  2. Low power of 163 mW/channel at 125 MSPS with scalable power options.
  3. Pin compatible to the AD9253 14-bit quad and AD9633 12-bit quad ADC.
  4. Ease of Use. A data clock output (DCO) operates at frequencies of up to 500 MHz and supports double data rate (DDR) operation.
  5. User Flexibility. The SPI control offers a wide range of flexible features to meet specific system requirements

APPLICATIONS

  • Medical ultrasound
  • High speed imaging
  • Quadrature radio receivers
  • Diversity radio receivers
  • Test equipment

FEATURES and BENEFITS

  • 1.8 V supply operation
  • Low power: 164 mW per channel at 125 MSPS with scalable power options
  • SNR = 76.5 dBFS @ 70 MHz (2.0Vp-p input span)
  • SNR = 77.5 dBFS @ 70 MHz (2.6Vp-p Input span)
  • SFDR = 90 dBc (to Nyquist)
  • DNL = ±0.7 LSB (typical); INL = ±3.5 LSB (typical)
  • Serial LVDS (ANSI-644, default) and low power, reduced signal option (similar to IEEE 1596.3)
  • 650 MHz full power analog bandwidth
  • 2 V p-p input voltage range (supports up to 2.6 V p-p)
  • See data sheet for additional features

Functional Block Diagram for AD9653

Documentation

Title Content Type File Type
AD9653: Quad, 16-Bit, 125 MSPS, Serial LVDS 1.8 V Analog-to-Digital Converter Datasheet (Rev 0, 05/2012) (pdf, 1231 kB) Data Sheets PDF
AN-1142: Techniques for High Speed ADC PCB Layout  (pdf, 392 kB) Application Notes PDF
AN-878: High Speed ADC SPI Control Software  (pdf, 585 kB) Application Notes PDF
AN-827: A Resonant Approach to Interfacing Amplifiers to Switched-Capacitor ADCs  (pdf, 203 kB) Application Notes PDF
AN-877: Interfacing to High Speed ADCs via SPI  (pdf, 1594 kB) Application Notes PDF
AN-905: VisualAnalog Converter Evaluation Tool Version 1.0 User Manual  (pdf, 2124 kB) Application Notes PDF
AN-935: Designing an ADC Transformer-Coupled Front End  (pdf, 363 kB) Application Notes PDF
AN-835: Understanding High Speed ADC Testing and Evaluation  (pdf, 985 kB) Application Notes PDF
AN-812:  MicroController-Based Serial Port Interface (SPI) Boot Circuit (pdf, 452,449 bytes)  (pdf, 441 kB)
This application note describes the operation of a general-purpose, microcontroller-based Serial Port Interface (SPI) boot circuit.
Application Notes PDF
Evaluating the AD9253/AD9633/AD9653 Analog-to-Digital Converters
(Wiki Site)
User Guides HTML
MS-2210: Designing Power Supplies for High Speed ADC  (pdf, 327 kB) Technical Articles PDF
Four-channel, 16-bit, 125-MSPS Analog-to-Digital Converter Delivers Superior Dynamic Performance and Industry’s Lowest Power and Package-size for its Class. (16 May 2012) Press Releases HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
ADIsimADC
ADIsimADC is Analog Devices' Analog-to-Digital Behavioral Model that accurately models the typical performance characteristics of many of our High Speed Converters. The model faithfully reproduces the errors associated with both static and dynamic features such as AC linearity, clock jitter, and many other product specific anomalies.
ADIsim Design/Simulation Tools HTML
AD9653 S Parameter  (xls, 741 kB) S-Parameters XLS
AD9653 IBIS Model IBIS Models HTML

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

Product Recommendations & Reference Designs

Companion Products

Suggested Companion Products


Recommended Driver Amplifiers for the AD9653

  • For differential RF/IF, we recommend the ultra low distortion ADL5562.
Recommended IF Variable Gain Amplifier for the AD9653
  • For a fully differential input and output DVGA in digital communications systems, we recommend the ADL5202.
  • For an ultralow noise preamplifier optimized for Ultrasound applications, we recommend the AD8334 quad VGA.
Recommended Clock Drivers for the AD9653
  • For low jitter performance and integrated VCO, we recommend one of the AD9520 or AD9522 family of selectable VCO frequencies.
  • For low jitter performance along with on chip PLL and VCO, we recommend the AD9523, AD9523-1 or the AD9524.
Recommended Power Solutions

  • For selecting voltage regulator products, use ADIsimPower.

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Price, packaging, availability

AD9653 Model Options
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

AD9653 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD9653-125EBZ Status: Production Evaluation Board $395.00 Yes -

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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