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MAX5156, MAX5157
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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概述
完整的数据资料 (PDF, 160kB)
英文 Download this datasheet in PDF format下载

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.

关键特性   应用/使用
  • 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

 
  • 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

    Key Specifications:   Digital-to-Analog Converters
    Part Number Number of Bits Number of Channels Interface Compatibility Typ. Settling Time (µs) Output Type Buffered Non-volatile (NV) Min. Single Supply (V) Max. Single Supply (V) RoHS Available Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX5156  12 2 Serial - SPI 15 Voltage Yes No 4.5 5.5 Yes Ceramic DIP/16
    PDIP/16
    QSOP/16
    31 -40 to +85
    -55 to +125
    0 to +70
    $6.15 @ 1k
    MAX5157  18 2.7 3.6 $6.15 @ 1k
    See All Digital-to-Analog Converters (248)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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    参考文献: 19-1317; Rev. 1; 1997-12-01
    本页最后一次更新: 2007-07-19




             


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