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八通道、串行、8位DAC,带有输出缓冲器

产品详情

主要特征

Parametric specs for Precision DACs (< 1MHz)
Resolution (bits) 8
# Channels 8
Interface Serial - SPI
Output Type Voltage- Buffered
Reference Ext.
INL (±LSB) (max) 1
Supply Range (V) (min) 10.8
Supply Range (V) (max) 16.5
ICC (mA) (max) 1.5
Settling Time (µs) (typ) 1
Package/Pins PDIP/20
SOIC (W)/24
SSOP/24
Oper. Temp. (°C) -55 to +125
-40 to +85
0 to +70
Budgetary
Price (See Notes)
7.49
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简化框图

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参量

Parametric specs for Precision DACs (&lt; 1MHz)
Resolution (bits) 8
# Channels 8
Interface Serial - SPI
Output Type Voltage- Buffered
Reference Ext.
INL (±LSB) (max) 1
Supply Range (V) (min) 10.8
Supply Range (V) (max) 16.5
ICC (mA) (max) 1.5
Settling Time (µs) (typ) 1
Package/Pins PDIP/20
SOIC (W)/24
SSOP/24
Oper. Temp. (°C) -55 to +125
-40 to +85
0 to +70
Budgetary
Price (See Notes)
7.49

主要特征

  • Now Available in Space-Saving SSOP
  • 8 Buffered Noninverting Outputs
  • Buffer Disable Control
  • 2 Pairs of Differential Reference Inputs
  • 3-Wire Serial Interface
  • Single +5V or Dual ±5V Supply Operation (MAX529)
  • Low-Power Shutdown
  • Stable Driving Output Capacitance Loads

应用/用途

  • 数字校准
  • 数字增益与失调调节
  • 微控模拟输出
  • 替代多路微调电位器

描述

The MAX528/MAX529 are monolithic devices combining an octal 8-bit, digital-to-analog converter (DAC), 8 output buffers, and serial-interface logic in space saving shrink small outline package (SSOP). The MAX528 operates from a single supply up to 15V or from split supplies totaling up to 20V, including +5V/-15V, +12V/-5V, and +15V/-5V. The MAX529 operates from a single +5V supply or from ±5V split supplies. For both parts, a shutdown pin reduces current consumption to under 50µA, which retaining all internal DAC data.

Three output modes are serially programmable for each pair of 8 analog outputs. An unbuffered mode connects the internal R-2R DAC network directly to the output pin, reducing power consumption and avoiding the buffer's DC errors. A full-buffered mode inserts a buffer between the R-2R network and the output, providing +5mA/-2mA output drive. Half-buffered output mode is similar, but uses less power while still providing up to 15mA of output drive in a unipolar output configuration. Serial data can be "daisy-chained" from one device to another. On power-up, all data bits are reset to 0, and analog outputs enter the unbuffered mode.

简化框图

MAX528、MAX529:功能原理框图 MAX528、MAX529:功能原理框图 Zoom icon

Technical Docs

支持和培训

在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心