MAX5156

低功耗、双路、12位、电压输出DAC,带有可配置输出

双路、串行、电压输出DAC,采用QSOP封装


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说明

The MAX5156/MAX5157 low-power, serial, voltage-output, dual 12-bit digital-to-analog converters (DACs) consume only 500µA from a single +5V (MAX5156) or +3V (MAX5157) supply. These devices feature Rail-to-Rail output swing and are available in space-saving 16-pin QSOP and DIP packages. Access to the inverting input allows for specific gain configurations, remote sensing, and high output current capability, making these devices ideally suited for industrial process controls. These devices are also well suited for digitally programmable (4-20mA) current loops.

The 3-wire serial interface is SPI™/QSPI™ and MICROWIRE™ compatible. Each DAC has a double-buffered input organized as an input register followed by a DAC register, which allows the input and DAC registers to be updated independently or simultaneously. Additional features include a programmable shutdown (2µA), hardware-shutdown lockout, a separate voltage reference for each DAC, power-on reset, and an active-low clear input (active-low CL) that resets all registers and DACs to zero. The MAX5156/MAX5157 provide a programmable logic output pin for added functionality, and a serial-data output pin for daisy chaining.
MAX5156、MAX5157:功能原理框图 MAX5156、MAX5157:功能原理框图 放大+

关键特性

  • 12-Bit Dual DAC with Configurable Output Amplifier
  • Single-Supply Operation:
    • +5V (MAX5156)
    • +3V (MAX5157)
  • Rail-to-Rail Output Swing
  • Low Quiescent Current:
    • 500µA (normal operation)
    • 2µA (shutdown mode)
  • SPI/QSPI and Microwire Compatible
  • Space-Saving 16-Pin QSOP Package
  • Power-On Reset Clears DAC Outputs to Zero

应用

  • 数字增益与失调控制
  • 数字可编程4mA至20mA电流环
  • 通用产品
  • 工业过程控制
  • 运动控制
  • 远端工业控制
Part NumberResolution
(bits)
ChannelsOutput TypeReferenceINL
(±LSB)
InterfaceSupply Range
(V)
Supply Range
(V)
ICC
(mA)
Settling Time
(µs)
Package/PinsOper. Temp.
(°C)
Budgetary
Price
maxminmaxmaxtypSee Notes
MAX5156 122Voltage- BufferedExt.
0.5
1
Serial - SPI4.55.50.6515
PDIP/16
QSOP/16
-55 to +125
-40 to +85
0 to +70
$6.56 @1k
MAX5157 
1
2
2.73.60.618
PDIP/16
QSOP/16
$12.55 @1k
查看所有Precision DACs (250)
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。

CAD Symbols and Footprints

  • MAX5156ACEE+
  • MAX5156ACEE+T
  • MAX5156ACPE+
  • MAX5156AEEE+
  • MAX5156AEEE+T
  • MAX5156AEPE+
  • MAX5156BCEE+
  • MAX5156BCEE+T
  • MAX5156BCPE+
  • MAX5156BEEE+
  • MAX5156BEPE+
  • 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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