MAX531, MAX538, MAX539 +5V, Low-Power, Voltage-Output, Serial 12-Bit DACs

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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.

Key Features

Applications/Uses

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

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

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)

Multiple Supplies (V)

RoHS Available

Package

Smallest Available Package (max w/pins) (mm²)

Operating Temp. Range (°C)

Price^**

MAX531

Serial - SPI

Voltage

Yes

4.75

5.25

±5

Yes

DICE SALES/0
PDIP/14
SOIC/14

-40 to +85
-55 to +125
0 to +70

$5.45 @ 1k

MAX538

4.5

5.5

DICE SALES/0
PDIP/8
SOIC/8

$4.85 @ 1k

MAX539

4.5

5.5

DICE SALES/0
PDIP/8
SOIC/8

$4.85 @ 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.