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Maxim产品 - MAX1240介绍

MAX1240 - +2.7V、低功耗、12位串行ADC，8引脚SO封装

MAX1240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，MAX1240是+2.7V、低功耗、12位串行ADC，8引脚SO封装，本站介绍了MAX1240的封装应用图解、特点和优点、功能等，并给出了与MAX1240相关的Maxim元器件型号供参考。

MAX1240 - +2.7V、低功耗、12位串行ADC，8引脚SO封装 - 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 MAX1240/MAX1241 low-power, 12-bit analog-to-digital converters (ADCs) are available in 8-pin packages. The MAX1240 operates with a single +2.7V to +3.6V supply, and the MAX1241 operates with a single +2.7V to +5.25V supply. Both devices feature a 7.5µs successive-approximation ADC, a fast track/hold (1.5µs), an on-chip clock, and a high-speed, 3-wire serial interface.

Power consumption is only 37mW (VDD = 3V) at the 73ksps maximum sampling speed. A 2µA shutdown mode reduces power at slower throughput rates.

The MAX1240 has an internal 2.5V reference, while the MAX1241 requires an external reference. The MAX1241 accepts signals from 0V to VREF, and the reference input range includes the positive supply rail. An external clock accesses data from the 3-wire interface, which connects directly to standard microcontroller I/O ports. The interface is compatible with SPI™, QSPI™, and MICROWIRE™.

Excellent AC characteristics and very low power combined with ease of use and small package size make these converters ideal for remote-sensor and data-acquisition applications, or for other circuits with demanding power consumption and space requirements. The MAX1240/MAX1241 are available in 8-pin PDIP and SO packages.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Single-Supply Operation:
  • +2.7V to +3.6V (MAX1240)
  • +2.7V to +5.25V (MAX1241)
  • 12-Bit Resolution
  • Internal 2.5V Reference (MAX1240)
  • Small Footprint: 8-Pin PDIP/SO Packages
  • Low Power: 3.7µW (73ksps, MAX1240)
  • 3mW (73ksps, MAX1241)
  • 66µW (1ksps, MAX1241)
  • 5µW (power-down mode)
  • Internal Track/Hold
  • SPI/QSPI/MICROWIRE 3-Wire Serial Interface
  • Internal Clock
    • 热门应用
  • 电池供电应用
  • 仪表
  • 隔离型数据采集
  • 便携式数据记录
  • 过程控制
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