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AD9266:  16-BIT, 20/40/65/80 MSPS, 1.8 V ANALOG-TO-DIGITAL CONVERTER

The AD9266 is a monolithic, single channel 1.8 V supply, 16bit, 20/40/65/80 MSPS analog-to-digital converter (ADC), featuring a high performance sample-and-hold circuit and on-chip voltage reference. The product uses a multistage differential pipeline architecture with output error correction logic to provide 16-bit accuracy at 80 MSPS data rates and guarantees no missing codes over the full ...More

AD9266:  16-Bit, 20/40/65/80 MSPS, 1.8 V Analog-to-Digital Converter

Product Description

The AD9266 is a monolithic, single channel 1.8 V supply, 16bit, 20/40/65/80 MSPS analog-to-digital converter (ADC), featuring a high performance sample-and-hold circuit and on-chip voltage reference. The product uses a multistage differential pipeline architecture with output error correction logic to provide 16-bit accuracy at 80 MSPS data rates and guarantees no missing codes over the full operating temperature range.

The ADC contains several features designed to maximize flexibility and minimize system cost, such as programmable clock and data alignment and programmable 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). A differential clock input controls all internal conversion cycles. An optional duty cycle stabilizer (DCS) compensates for wide variations in the clock duty cycle while maintaining excellent overall ADC performance.

The digital output data are presented in offset binary, Gray code, or twos complement formats at double data rate low voltage level CMOS levels. A data output clock (DCO) is provided to ensure proper latch timing with receiving logic.

The AD9266 is available in a 32-lead Pb-free LFCSP and is specified over the industrial temperature range (−40°C to +85°C).

Applications
  • Communications
  • Diversity Radio systems
  • Multimode digital receivers :
    GSM, EDGE, WCDMA, LTE, CDMA2000, WiMAX, TD-SCDMA
  • Smart antenna systems
  • Battery-powered instruments
  • Hand-held scope meters
  • Spectrum Analyzers
  • Radar/LIDAR

RESOURCES & TOOLS

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EVALUATION BOARDS & DEVELOPMENT KITS

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TOOLS, SOFTWARE & SIMULATION MODELS

  • 1.8 V analog supply operation
  • 1.8 V to 3.3 V output supply
  • SNR = 77 dBFs at 9.7 MHz input
  • SFDR = 95 dBc at 9.7 MHz input
  • SNR = 76.6 dBFs at 100 MHz input
  • SFDR = 85 dBc at 100 MHz input
  • Low total power: 59 mW @ 20MSPS
    123 mW @ 80MSPS
  • Differential input with 700 MHz bandwidth
  • On-chip voltage reference and sample-and-hold circuit
  • DNL = ±0.3 LSB
  • See data sheet for additional features

Complementary Products

  • Analog Devices' new low-power ADCs are compatible with ADI's dual-channel VGA (variable gain amplifiers), including the AD8372 programmable dual VGA and AD8376 IF dual VGA as well as the ADL5561 differential RF/IF amplifier and ADL5562 differential RF/IF amplifier.
  • For DC-coupled applications, suggested ADC drivers include the ADA4937-2 or ADA4938-2.
  • Recommended clock generators include the AD9520-0 and AD9522-0.