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Maxim产品 - MAX1117介绍

MAX1117 - 单电源、低功耗、2通道、串行8位ADC

MAX1117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，MAX1117是单电源、低功耗、2通道、串行8位ADC，本站介绍了MAX1117的封装应用图解、特点和优点、功能等，并给出了与MAX1117相关的Maxim元器件型号供参考。

MAX1117 - 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 - 业内功耗最低的SOT23 ADC - 美信半导体

产品概述

The MAX1117/MAX1118/MAX1119 low-power, 8-bit, dual-channel, analog-to-digital converters (ADCs) feature an internal track/hold (T/H) voltage reference (MAX1117/MAX1119), clock, and serial interface. The MAX1118 is specified from +2.7V to +5.5V and consumes only 135µA at 100ksps. The MAX1117 is specified from +2.7V to +3.6V, and the MAX1119 is specified from +4.5V to +5.5V, each consumes only 175µA at 100ksps.

The full-scale analog input range is determined by the internal reference of +2.048V (MAX1117) or +4.096V (MAX1119), or by an externally applied reference ranging from +1V to VDD (MAX1118). All devices feature an automatic shutdown mode that reduces supply current to < 1µA when the device is not in use. The 3-wire serial interface directly connects to SPI™, QSPI™, and MICROWIRE™ devices without external logic. Conversions up to 100ksps are performed using an internal clock.

The MAX1117/MAX1118/MAX1119 are available in an 8-pin SOT23 package with a footprint that is only 11% 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 (MAX1117)
  • +2.7V to +5.5V (MAX1118)
  • +4.5V to +5.5V (MAX1119)
  • Internal Track/Hold: 100kHz Sampling Rate
  • Internal Reference
  • +2.048V (MAX1117)
  • +4.096V (MAX1119)
  • Reference Input Range: 0 to VDD (MAX1118)
  • SPI/QSPI/MICROWIRE-Compatible Serial Interface
  • Small 8-Pin SOT23 Package
  • Automatic Power-Down
  • Analog Input Range: 0 to VREF
  • Low Power
  • 175µA at 100ksps (typ) (MAX1117/MAX1119)
  • 135µA at 100ksps (typ) (MAX1118)
  • 18µA at 10ksps (typ)
  • 1µA (typ) in Power-Down Mode
    • 热门应用
  • 4mA至20mA供电远端数据采集系统
  • 电池供电测试设备
  • 低功耗、手持式便携设备
  • 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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