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完备的12位、电压输出乘法DAC

产品详情

主要特征

应用/用途

Parametric specs for Precision DACs (< 1MHz)
Resolution (bits) 12
# Channels 1
Interface Parallel - Full Word
Output Type Voltage- Buffered
Reference Int.
INL (±LSB) (max) 1
Supply Range (V) (max) 15.75
Package/Pins PDIP/24
PLCC/28
Oper. Temp. (°C) -55 to +125
-40 to +85
0 to +70
Budgetary
Price (See Notes)
9.53
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参量

Parametric specs for Precision DACs (&lt; 1MHz)
Resolution (bits) 12
# Channels 1
Interface Parallel - Full Word
Output Type Voltage- Buffered
Reference Int.
INL (±LSB) (max) 1
Supply Range (V) (max) 15.75
Package/Pins PDIP/24
PLCC/28
Oper. Temp. (°C) -55 to +125
-40 to +85
0 to +70
Budgetary
Price (See Notes)
9.53

主要特征

  • 12-Bit Voltage Output
  • Low-Noise, Buried-Zener Voltage Reference
  • Fast Logic Interface (80ns Active-Low WR Pulse)
  • Operate from Single or Dual Supplies
  • 8-/16-Bit Microprocessor-Bus Compatible
  • Available in DIP and PLCC Packages
  • Pin and Electrically Compatible with AD7245/AD7248

应用/用途

  • 任意函数发生器
  • 自动校准
  • 自动测试设备
  • 数字增益与失调调节
  • 工业控制
  • 机器及运动控制
  • 元件数最少的模拟系统

描述

The MX7245/MX7248 are complete, 12-bit digital-to-analog converters (DACs) that include internal voltage reference and a voltage-output amplifier. The MX7245/MX7248 are pin and electrically compatible with Analog Devices' AD7245/AD7248. The MX7245/MX7248 have double-buffered logic interfaces that are easily interfaced to microprocessors (µPs). Data is transferred into the input register from a 12-bit-wide data bus (MX7245) for 16-bit µPs, or in a tight-justified (8+4)-bit format (MX7248) for 8- and 16-bit µPs. All logic signals are level triggered and are TTL and CMOS compatible. The timing specifications ensure compatibility with common µPs.

The DACs are specified and tested for both dual- and single-supply operation. Usable supplies range from single +12V to dual ±15V. Internal gain-setting resistors allow three output voltage ranges: 0V to +5V and 0V to +10V can be generated using either single or dual supplies. With dual supplies, an additional output range of ±5V is available. The output amplifier drives 2kΩ loads to +10V. See MAX507/MAX508 for detailed description.

简化框图

MX7245、MX7248:功能原理框图 MX7245、MX7248:功能原理框图 Zoom icon

技术文档

支持和培训

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