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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说明

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 5mm x 5mm 32-pin TQFP package and is specified over the extended industrial (-40°C to +85°C) temperature range.
MAX1444:功能框图 MAX1444:功能框图 放大+

关键特性

  • 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

应用

  • 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

请查看具体的参数规格 High-Speed ADCs (> 5Msps) (49)


Part NumberInput ChannelsResolution
(bits)
Sample Rate
(Msps)
AC Specs
(MHz)
SFDR
(dBc)
ENOB
(bits)
SINAD
(dB)
SNR
(dB)
THD
(dB)
DNL
(±LSB)
INL
(±LSB)
Full Pwr. BW
(MHz)
ICC
(mA)
Data Bus InterfacePackage/PinsBudgetary
Price
max@ fINminminmintypSee Notes
MAX1444 1104020909.55959.5-72.20.40.640023.5µP/10
TQFP/32
$10.31 @1k

Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。
产品可靠性报告: MAX1444.pdf 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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