MAX1117

单电源、低功耗、2通道、串行8位ADC

业内功耗最低的SOT23 ADC


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说明

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.
MAX1117、MAX1118、MAX1119:典型工作电路 MAX1117、MAX1118、MAX1119:典型工作电路 放大+

关键特性

  • 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

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
Part NumberResolution
(bits)
Input Chan.Conv. Rate
(ksps)
ADC ArchitectureData BusDiff/S.E. InputInternal VREF
(V)
External VREF
(V)
External VREF
(V)
Unipolar VIN
(V)
SNR
(dB)
THD
(dB)
INL
(±LSB)
Package/PinsBudgetary
Price
ADCmaxnominalminmaxmaxSee Notes
MAX1117 82100SARSPIS.E. Only2.048--2.04848-691
SOT23/8
$1.04 @1k
MAX1118 -15.55.548
SOT23/8
$0.81 @1k
MAX1119 4.096--4.09649
SOT23/8
$1.15 @1k
查看所有Precision ADCs (< 5Msps) (464)
Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。


MAX1117EVSYS: MAX1115、MAX1116、MAX1117、MAX1118和MAX1119评估系统

CAD Symbols and Footprints

  • MAX1117EKA
  • MAX1117EKA+
  • MAX1117EKA+T
  • MAX1117EKA-T
  • 型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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