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10位、60Msps、3.0V、低功耗ADC,内置电压基准

3V、10位、60Msps ADC,提供72dB SFDR

产品详情

主要特征

Parametric specs for High-Speed ADCs (> 5Msps)
Resolution (bits) 10
# Input Channels 1
Sample Rate (Msps) (max) 60
Data Bus Interface µP/10
AC Specs (MHz) (@ fIN) 20
SFDR (dBc) (min) 73
ENOB (bits) (min) 9.5
SINAD (dB) 59
SNR (dB) 59.5
THD (dB) -70
DNL (±LSB) 0.4
INL (±LSB) 0.6
Package/Pins TQFP/32
Budgetary
Price (See Notes)
10.93
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参量

Parametric specs for High-Speed ADCs (> 5Msps)
Resolution (bits) 10
# Input Channels 1
Sample Rate (Msps) (max) 60
Data Bus Interface µP/10
AC Specs (MHz) (@ fIN) 20
SFDR (dBc) (min) 73
ENOB (bits) (min) 9.5
SINAD (dB) 59
SNR (dB) 59.5
THD (dB) -70
DNL (±LSB) 0.4
INL (±LSB) 0.6
Package/Pins TQFP/32
Budgetary
Price (See Notes)
10.93

主要特征

  • Single 3.0V Operation
  • Excellent Dynamic Performance
    • 59.5dB SNR at fIN = 20MHz
    • 73dB SFDR at fIN = 20MHz
  • Low Power:
    • 30mA (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 (MAX1448 EV Kit)

应用/用途

  • 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

描述

The MAX1446 10-bit, 3V analog-to-digital converter (ADC) features a fully differential input, a pipelined 10-stage ADC architecture with digital error correction and wideband track and hold (T/H) incorporating a fully differential signal path. This ADC is optimized for low-power, high dynamic performance applications in imaging and digital communications. The MAX1446 operates from a single 2.7V to 3.6V supply, consuming only 90mW 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 MAX1446 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.

Lower and higher speed, pin-compatible versions of the MAX1446 are also available. Refer to the MAX1444 data sheet for a 40Msps version, the MAX1448 datasheet for an 80Msps version, and the MAX1449 datasheet for a 105Msps version.

The MAX1446 has parallel, offset binary, three-state outputs that can be operated from 1.7V to 3.3V 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) and automotive (-40°C to+105°C) temperature ranges.

简化框图

MAX1446:功能框图 MAX1446:功能框图 Zoom icon

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在Maxim的知识库中搜索技术问题的答案

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Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心