MAX5364

Low-Cost, Low-Power, 6-Bit DACs with 3-Wire Serial Interface in SOT23

First 3-Wire SOT DAC That Includes On-Chip Reference

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Overview

6-Bit Resolution in a Miniature 6-Pin SOT23 Package
Wide +2.7V to +5.5V Supply Range (MAX5365)
< 1µA Shutdown Mode
Software-Selectable Output Resistance During Shutdown
Buffered Output Drives Resistive Loads
Low-Glitch Power-On Reset to Zero DAC Output
3-Wire SPI/QSPI/MICROWIRE-Compatible Interface
< ±5% Full-Scale Error (MAX5365)
< ±1 LSB max INL/DNL
Low 230µA max Supply Current

The MAX5363/MAX5364/MAX5365 low-cost, 6-bit digital- to-analog converters (DACs) in miniature 6-pin SOT23 packages have a simple 3-wire, SPI™/QSPI™/MICROWIRE™-compatible serial interface that operates up to 10MHz. The MAX5363 has an internal +2V reference and operates from a +2.7V to +3.6V supply. The MAX5364 has an internal +4V reference and operates from a +4.5V to +5.5V supply. The MAX5365 operates over the full +2.7 to +5.5V supply range and has an internal reference equal to 0.9 x V_DD.

The MAX5363/MAX5364/MAX5365 require an extremely low supply current of only 150µA (typ) and provide a buffered voltage output. These devices power up at zero code and remain there until a new code is written to the DAC registers. This provides additional safety for applications that drive valves or other transducers that need to be off on power-up. The MAX5363/MAX5364/MAX5365 include a 1µA, low-power shutdown mode that features software-selectable output loads of 1kΩ, 100kΩ, or 1MΩ to ground.

Applications

Automotive Engine Control
Cell Phone Base Stations
Cell Phones
Cordless Phones
LCD Displays
Palmtop Computers
Pen Entry Palmtops
Portable Patient Monitoring/Drug Delivery
Portable Test Meters
POS Terminals
Telecom Switches

Documentation

Data Sheet 1

MAX5363-MAX5365: Low-Cost, Low-Power, 6-Bit DACs with 3-Wire Serial Interface in SOT23 Data Sheet (Rev.0) 10/16/2000

Technical Articles 4

Reduce the Chances of Human Error: Part 2, Super Amps and Filters for Analog Interface 03/08/2011

Reduce the Chances of Human Error: Part 1, Power and Ground 03/08/2011

Digital Adjustment of DC-DC Converter Output Voltage in Portable Applications 08/06/2002

Charge-Pump and Step-Up DC-DC Converter Solutions for Powering White LEDs in Series or Parallel Connections 04/23/2002

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Digital to Analog Converters (DACs) 3
MAX5360	PRODUCTION	Low-Cost, Low-Power 6-Bit DACs with 2-Wire Serial Interface in SOT23 Package
MAX5361	PRODUCTION	Low-Cost, Low-Power 6-Bit DACs with 2-Wire Serial Interface in SOT23 Package
MAX5362	PRODUCTION	Low-Cost, Low-Power 6-Bit DACs with 2-Wire Serial Interface in SOT23 Package

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