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Maxim产品 - MAX1420介绍

MAX1420 - 12位、60Msps、+3.3V、低功耗ADC，内置电压基准

MAX1420是Maxim美信半导体公司的一款数据转换器和采样-保持电路产品，MAX1420是12位、60Msps、+3.3V、低功耗ADC，内置电压基准，本站介绍了MAX1420的封装应用图解、特点和优点、功能等，并给出了与MAX1420相关的Maxim元器件型号供参考。

MAX1420 - 12位、60Msps、+3.3V、低功耗ADC，内置电压基准 - 数据转换器和采样-保持电路 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX1420, 3.3V, 12-bit analog-to-digital converter (ADC) features a fully-differential input, pipelined, 12-stage ADC architecture with wideband track-and-hold (T/H) and digital error correction, incorporating a fully-differential signal path. The MAX1420 is optimized for low-power, high dynamic performance applications in imaging and digital communications. The converter operates from a single 3.3V supply, and consumes only 221mW. The fully-differential input stage has a small signal -3dB bandwidth of 400MHz and may be operated with single-ended inputs.

An internal 2.048V precision bandgap reference sets the full-scale range of the ADC. A flexible reference structure accommodates an internal reference, or externally applied buffered or unbuffered reference for applications that require increased accuracy and a different input voltage range.

In addition to low operating power, the MAX1420 features two power-down modes: reference power-down and shutdown mode. In reference power-down, the internal bandgap reference is deactivated, which results in a typical 2mA supply current reduction. A full shutdown mode is available to maximize power savings during idle periods.

The MAX1420 provides parallel, offset binary, CMOS-compatible three-state outputs.

The MAX1420 is available in a 7mm x 7mm x 1.4mm, 48-pin TQFP package, and is specified over the commercial (0°C to +70°C) and the extended industrial (-40°C to +85°C) temperature range.

Pin-compatible lower speed versions of the MAX1420 are also available. Please refer to the MAX1421 data sheet for 40Msps and the MAX1422 data sheet for 20Msps.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • 3.3V Single Power Supply
  • 67dB SNR at fIN = 5MHz
  • 66dB SNR at fIN = 15MHz
  • Internal 2.048V Precision Bandgap Reference
  • Differential, Wideband Input T/H Amplifier
  • Power-Down Modes
  • 218mW (Reference Shutdown Mode)
  • 10µW (Shutdown Mode)
  • Space-Saving 48-Pin TQFP Package
    • 热门应用
  • CCD像素处理
  • 中频与基带数字化
  • IR焦平面矩阵
  • 医疗超声成像
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