MAX1448 - 10位、80Msps、单路3.0V、低功耗ADC，内置电压基准

MAX1448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，MAX1448是10位、80Msps、单路3.0V、低功耗ADC，内置电压基准，本站介绍了MAX1448的封装应用图解、特点和优点、功能等，并给出了与MAX1448相关的Maxim元器件型号供参考。

MAX1448 - 10位、80Msps、单路3.0V、低功耗ADC，内置电压基准 - 数据转换器和采样-保持电路 - 3V、10位、80Msps ADC，提供72dB SFDR - 美信半导体

产品概述

The MAX1448 3V, 10-bit analog-to-digital converter (ADC) features a fully differential input, a pipelined 10-stage ADC architecture with wideband track-and-hold (T/H), and digital error correction incorporating a fully differential signal path. The ADC is optimized for lowpower, high dynamic performance in imaging and digital communications applications. The converter operates from a single 2.7V to 3.6V supply, consuming only 120mW while delivering a 59dB (typ) signal-to-noise ratio (SNR) at a 20MHz input frequency. The fully differential input stage has a -3dB 400MHz bandwidth and may be operated with single-ended inputs. In addition to low operating power, the MAX1448 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 MAX1448 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.

关键特性

以下关键特性由Maxim美信半导体提供：

Single 3.0V Operation

Excellent Dynamic Performance

59dB SNR at fIN = 20MHz

74dBc SFDR at fIN = 20MHz

Low Power

40mA (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)

热门应用

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

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