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Maxim产品 - MAX1109介绍

MAX1109 - 单电源、低功耗、2通道、串行8位ADC

MAX1109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，MAX1109是单电源、低功耗、2通道、串行8位ADC，本站介绍了MAX1109的封装应用图解、特点和优点、功能等，并给出了与MAX1109相关的Maxim元器件型号供参考。

MAX1109 - 单电源、低功耗、2通道、串行8位ADC - 数据转换器和采样-保持电路 - 功耗最低的8位、串行接口、双通道ADC，内置基准 - 美信半导体

产品概述

The MAX1108/MAX1109 low-power, 8-bit, dual-channel, analog-to-digital converters (ADCs) feature an internal track/hold (T/H) voltage reference, clock, and serial interface. The MAX1108 is specified from +2.7V to +3.6V and consumes only 105µA. The MAX1109 is specified from +4.5V to +5.5V and consumes only 130µA. The analog inputs are software configurable, allowing unipolar/bipolar and single-ended/differential operation; battery monitoring capability is also included.

The full-scale analog input range is determined by the internal reference of +2.048V (MAX1108) or +4.096V (MAX1109), or by an externally applied reference ranging from 1V to VDD. The MAX1108/MAX1109 also feature a software power-down mode that reduces power consumption to 0.5µA when the device is not in use. The 4-wire serial interface directly connects to SPI™, QSPI™, and MICROWIRE™ devices without external logic. Conversions up to 50ksps are performed using either the internal clock or an external serial-interface clock.

The MAX1108 and MAX1109 are available in a 10-pin µMAX package with a footprint that is just 20% of an 8-pin plastic DIP.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Single Supply:
  • +2.7V to +3.6V (MAX1108)
  • +4.5V to +5.5V (MAX1109)
  • Low Power:
  • 105µA at +3V and 50ksps
  • 0.5µA in Power-Down Mode
  • Software-Configurable Unipolar or Bipolar Inputs
  • Input Voltage Range: 0 to VDD
  • Internal Track/Hold
  • Internal Reference:
  • +2.048V (MAX1108)
  • +4.096V (MAX1109)
  • Reference Input Range: 1V to VDD
  • SPI/QSPI/MICROWIRE-Compatible Serial Interface
  • VDD Monitoring Mode
  • Small 10-Pin µMAX Package
    • 热门应用
  • 4mA至20mA供电远端系统
  • 手持式测量设备
  • 医疗仪器
  • 便携式数据记录
  • 接收信号强度指示
  • 太阳能供电远端系统
  • 系统诊断
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