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MAX1444
10位、40Msps、3.0V、低功耗ADC,内置电压基准

低功耗、3V、10位、40Msps ADC,提供72dB SFDR


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概述
完整的数据资料 (PDF, 984kB)
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The MAX1444 10-bit, 3V analog-to-digital converter (ADC) features a pipelined 10-stage ADC architecture with fully differential wideband track-and-hold (T/H) input and digital error correction incorporating a fully differential signal path. This ADC is optimized for lowpower, high dynamic performance applications in imaging and digital communications. The MAX1444 operates from a single 2.7V to 3.6V supply, consuming only 57mW while delivering a 59.5dB signal-to-noise ratio (SNR) at a 20MHz input frequency. The fully differential input stage has a 400MHz -3dB bandwidth and may be operated with single-ended inputs. In addition to low operating power, the MAX1444 features a 5µA power-down mode for idle periods.

An internal 2.048V precision bandgap reference is used to set the ADC full-scale range. A flexible reference structure allows the user to supply a buffered, direct, or externally derived reference for applications requiring increased accuracy or a different input voltage range.

See a parametric table of the complete family of pin-compatible, 10-bit high-speed ADCs.

The MAX1444 has parallel, offset binary, CMOS-compatible three-state outputs that can be operated from 1.7V to 3.6V to allow flexible interfacing. The device is available in a 5x5mm 32-pin TQFP package and is specified over the extended industrial (-40°C to +85°C) temperature range.

关键特性   应用/使用
  • Single 3.0V Operation
  • Excellent Dynamic Performance
    • 59.5dB SNR at fIN = 20MHz
    • 74dBc SFDR at fIN = 20MHz
  • Low Power
    • 19mA (Normal Operation)
    • 5µA (Shutdown Mode)
  • Fully Differential Analog Input
  • Wide 2Vp-p Differential Input Voltage Range
  • 400MHz -3dB Input Bandwidth
  • On-Chip 2.048V Precision Bandgap Reference
  • CMOS-Compatible Three-State Outputs
  • 32-Pin TQFP Package
  • Evaluation Kit Available

 
  • 基带与中频数字化
  • CCD成像
  • 数字机顶盒
  • 超声成像
  • 视频量化应用

    Key Specifications:   High-Speed ADCs (> 5Msps)
    Part Number Input Channels Resolution (Bits) Sample Rate (max) (Msps) Sample Rate (max) (Msps) AC Specs @ fIN (MHz) SFDR (dBc) ENOB (bits) SINAD (dB) SNR (dB) THD (db) INL (±LSB) DNL (±LSB) Full-Power BW (MHz) Typ. Supply Current (mA) Data Bus Interface Smallest Available Package (max w/pins) (mm2) Price**
    MAX1444  1 10 40 40 20 90 9.5 59 59.5 -72.2 0.6 0.4 400 23.5 µP/10 52 $5.28 @ 1k
    See All High-Speed ADCs (> 5Msps) (77)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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    参考文献: 19-1745; Rev. 2; 2004-05-03
    本页最后一次更新: 2007-11-27


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