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+5V、低功耗、电压输出、串行12位DAC

5V或±5V供电,单电源供电产品请参考MAX5352

产品详情

主要特征

Parametric specs for Precision DACs (< 1MHz)
Resolution (bits) 12
# Channels 1
Interface Serial - SPI
Output Type Voltage- Buffered
Reference Int.
INL (±LSB) (max) 1
Supply Range (V) (max) 5.25
ICC (mA) (max) 0.4
Settling Time (µs) (typ) 25
Package/Pins PDIP/14
SOIC (N)/14
Oper. Temp. (°C) -40 to +85
0 to +70
Budgetary
Price (See Notes)
6.25
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参量

Parametric specs for Precision DACs (&lt; 1MHz)
Resolution (bits) 12
# Channels 1
Interface Serial - SPI
Output Type Voltage- Buffered
Reference Int.
INL (±LSB) (max) 1
Supply Range (V) (max) 5.25
ICC (mA) (max) 0.4
Settling Time (µs) (typ) 25
Package/Pins PDIP/14
SOIC (N)/14
Oper. Temp. (°C) -40 to +85
0 to +70
Budgetary
Price (See Notes)
6.25

主要特征

  • Operate from Single +5V Supply
  • Buffered Voltage Output
  • Internal 2.048V Reference (MAX531)
  • 140µA Supply Current (MAX538/MAX539)
  • INL = ±1/2LSB (max)
  • Guaranteed Monotonic over Temperature
  • Flexible Output Ranges:
    • 0V to VDD (MAX531/MAX539)
    • VSS to VDD (MAX531)
    • 0V to 2.6V (MAX531/MAX538)
  • 8-Pin SO/DIP (MAX538/MAX539)
  • Power-On Reset
  • Serial Data Output for Daisy-Chaining

应用/用途

  • 电池供电/远端工业控制
  • 电池供电测试仪表
  • 数字增益与失调控制
  • 通用产品
  • 机器及运动控制设备

描述

The MAX531/MAX538/MAX539 are low-power, voltage- output, 12-bit digital-to-analog converters (DACs) specified for single +5V power-supply operation. The MAX531 can also be operated with ±5V supplies. The MAX538/MAX539 draw only 140µA, and the MAX531 (with internal reference) draws only 260µA. The MAX538/MAX539 come in 8-pin DIP and SO packages, while the MAX531 comes in 14-pin DIP and SO packages. All parts have been trimmed for offset voltage, gain, and linearity, so no further adjustment is necessary.

The MAX538's buffer is fixed at a gain of +1 and the MAX539's buffer at a gain of +2. The MAX531's internal op amp may be configured for a gain of +1 or +2, as well as for unipolar or bipolar output voltages. The MAX531 can also be used as a four-quadrant multiplier without external resistors or op amps. For parallel data inputs, see the MAX530 data sheet.

简化框图

MAX531、MAX538、MAX539:功能原理框图 MAX531、MAX538、MAX539:功能原理框图 Zoom icon

Technical Docs

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