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MAX5380, MAX5381, MAX5382
Low-Cost, Low-Power, 8-Bit DACs with 2-Wire Serial Interface in SOT23

Lowest-Cost, Smallest DAC with On-Chip Reference


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Description
FULL DATA SHEET (PDF, 532kB)
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The MAX5380/MAX5381/MAX5382 are low-cost, 8-bit digital-to-analog converters (DACs) in miniature 5-pin SOT23 packages, with a simple 2-wire serial interface that allows communication with multiple devices. The MAX5380 has an internal +2V reference and operates from a +2.7V to +3.6V supply. The MAX5381 has an internal +4V reference and operates from a +4.5V to +5.5V supply. The MAX5382 operates over the full +2.7V to +5.5V supply range and has an internal reference equal to 0.9 x VDD.

The fast-mode I²C*-compatible serial interface allows communication at data rates up to 400kbps, minimizing board space and reducing interconnect complexity in many applications. Each device is available with one of four factory-preset addresses (see Selector Guide). These DACs also include an output buffer, a low-power shutdown mode, and a power-on reset that ensures the DAC outputs are at zero when power is initially applied. In shutdown mode, supply current is reduced to less than 1µA and the output is pulled down to GND with a 10kΩ resistor.

Key Features   Applications/Uses
  • 8-Bit Accuracy in a Miniature 5-Pin SOT23
  • Wide +2.7V to +5.5V Supply Range (MAX5382)
  • Low 230µA max Supply Current
  • 1µA Shutdown Mode
  • Buffered Output Drives Resistive Loads
  • Low-Glitch Power-On Reset to Zero DAC Output
  • Fast I²C-Compatible Serial Interface
  • <±5% Full-Scale Error (MAX5382)
  • <±1LSB max INL/DNL

 
  • Automatic Gain Control
  • Automatic Offset Adjustment
  • Automatic Tuning (VCO)
  • Power-Amp Bias Control
  • Programmable Threshold Levels

    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 Industry Qualified Package Operating Temp. Range (°C) Price**
    MAX5380  8 1 Serial - I2C 20 Voltage Yes No 2.7 3.6 Yes Automotive - General SOT-23/5 -40 to +85 $0.95 @ 1k
    MAX5381  4.5 5.5 $0.95 @ 1k
    MAX5382  2.7 5.5 $0.95 @ 1k
    See All Digital-to-Analog Converters (250)
    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.

    Diagram
    MAX5380, MAX5381, MAX5382: Typical Operating Circuit
    Typical Operating Circuit

    MAX5380, MAX5381, MAX5382: Functional Block Diagram
    Functional Block Diagram

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    Document Ref.: 19-1641; Rev 2; 2004-12-03
    This page last modified: 2008-09-26



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