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MAX531

MAX531

+5V, Low-Power, Voltage-Output, Serial 12-Bit DACs

5V or +/-5V Supplies; See MAX5352 for Improved Single-Supply Operation

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Overview

Description

The MAX531/MAX538/MAX539 are low-power, voltage- output, 12-bit digital-to-analog converters (DACs) specified for single +5V power-supply operation. The MAX531 can also be operated with ±5V supplies. The MAX538/MAX539 draw only 140µA, and the MAX531 (with internal reference) draws only 260µA. The MAX538/MAX539 come in 8-pin DIP and SO packages, while the MAX531 comes in 14-pin DIP and SO packages. All parts have been trimmed for offset voltage, gain, and linearity, so no further adjustment is necessary.

The MAX538's buffer is fixed at a gain of +1 and the MAX539's buffer at a gain of +2. The MAX531's internal op amp may be configured for a gain of +1 or +2, as well as for unipolar or bipolar output voltages. The MAX531 can also be used as a four-quadrant multiplier without external resistors or op amps. For parallel data inputs, see the MAX530 data sheet.
MAX531, MAX538, MAX539: Functional Block Diagram MAX531, MAX538, MAX539: Functional Block Diagram Enlarge+

Key Features

  • Operate from Single +5V Supply
  • Buffered Voltage Output
  • Internal 2.048V Reference (MAX531)
  • 140µA Supply Current (MAX538/MAX539)
  • INL = ±1/2LSB (max)
  • Guaranteed Monotonic over Temperature
  • Flexible Output Ranges:
    • 0V to VDD (MAX531/MAX539)
    • VSS to VDD (MAX531)
    • 0V to 2.6V (MAX531/MAX538)
  • 8-Pin SO/DIP (MAX538/MAX539)
  • Power-On Reset
  • Serial Data Output for Daisy-Chaining

Applications/Uses

  • Battery-Operated/Remote Industrial Controls
  • Battery-Powered Test Instruments
  • Digital Gain and Offset Control
  • General Purpose
  • Machine- and Motion-Control Devices

Parametric Specs

Part NumberResolution
(bits)		ChannelsOutput TypeReferenceINL
(±LSB)		InterfaceSupply Range
(V)		Supply Range
(V)		ICC
(mA)		Settling Time
(µs)		Package/PinsOper. Temp.
(°C)		Budgetary
Price
maxminmaxmaxtypSee Notes
MAX531 121Voltage- BufferedInt.
0.5
1
Serial - SPI-5.250.425
PDIP/14
SOIC (N)/14
-40 to +85
0 to +70
$5.90 @1k
MAX538 Ext.4.55.50.3
PDIP/8
SOIC (N)/8
$4.17 @1k
MAX539 Ext.4.55.50.3
PDIP/8
SOIC (N)/8
$4.17 @1k
See All Precision DACs (249)
Pricing 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 and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Design Resources

Technical Documents

App Note 4491 Damage from a Lightning Bolt or a Spark—It Depends on How Tall You Are!
App Note 4490 How Signal Chains and PLCs Impact Our Lives
Tutorial 746 High-Side Current-Sense Measurement: Circuits and Principles
Tutorial 722 3V/5V DACs Support Intelligent Current Loop

Quality and Environmental Data

Product Reliability Reports: MAX531.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

Quality And Environmental

Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

Quality Management System >
Environmental Management System >

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