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双路、8位、电压输出、串行DAC,8引脚SOT23封装

产品详情

主要特征

应用/用途

Parametric specs for Precision DACs (< 1MHz)
Resolution (bits) 8
# Channels 2
Interface Serial - SPI
Output Type Voltage- Buffered
Reference Ext.
INL (±LSB) (max) 1
Supply Range (V) (min) 2.7
Supply Range (V) (max) 5.5
ICC (mA) (max) 1
Settling Time (µs) (typ) 10
Package/Pins SOT23/8
Oper. Temp. (°C) -40 to +85
Budgetary
Price (See Notes)
1.66
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参量

Parametric specs for Precision DACs (&lt; 1MHz)
Resolution (bits) 8
# Channels 2
Interface Serial - SPI
Output Type Voltage- Buffered
Reference Ext.
INL (±LSB) (max) 1
Supply Range (V) (min) 2.7
Supply Range (V) (max) 5.5
ICC (mA) (max) 1
Settling Time (µs) (typ) 10
Package/Pins SOT23/8
Oper. Temp. (°C) -40 to +85
Budgetary
Price (See Notes)
1.66

主要特征

  • Operates from a Single +2.7V to +5.5V Supply
  • Tiny 8-Pin SOT23 Package (3mm x 3mm)
  • Dual Buffered Voltage Output
  • Low Power Consumption
    • 0.4mA Operating Current
    • <1µA Shutdown Current
  • Programmable Shutdown Mode
  • 25MHz, 3-Wire Serial Interface
  • SPI, QSPI, and MICROWIRE Compatible

应用/用途

  • 数字增益与失调控制
  • 功率放大器偏置控制
  • 可编程电流源
  • 可编程电压源
  • VCO调谐

描述

The MAX5222 contains two 8-bit, buffered, voltage-output digital-to-analog converters (DAC A and DAC B) in a small 8-pin SOT23 package. Both DAC outputs can source and sink 1mA to within 100mV of ground and VDD. The MAX5222 operates with a single +2.7V to +5.5V supply.

The device uses a 3-wire serial interface, which operates at clock rates up to 25MHz and is compatible with SPI™, QSPI™, and MICROWIRE™ interface standards. The serial input shift register is 16 bits long and consists of 8 bits of DAC input data and 8 bits for DAC selection and shutdown control. DAC registers can be loaded independently or in parallel at the positive edge of active-low CS.

The MAX5222's ultra-low power consumption and tiny 8-pin SOT23 package make it ideal for portable and battery-powered applications. Supply current is less than 1mA and drops below 1µA in shutdown mode. In addition, the reference input is disconnected from the REF pin during shutdown, further reducing the system's total power consumption.

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MAX5222:功能原理框图 MAX5222:功能原理框图 Zoom icon

技术文档

支持和培训

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