QuickView - MAX5230, MAX5231 3V/5V, 12-Bit, Serial Voltage-Output Dual DACs with Internal Reference

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The MAX5230/MAX5231 low-power, dual 12-bit voltage-output digital-to-analog converters (DACs) feature an internal 10ppm/°C precision bandgap voltage reference and precision output amplifiers. The MAX5231 operates on a single 5V supply with an internal 2.5V reference and features a 4.095V full-scale output range. The MAX5230 operates on a single 3V supply with an internal 1.25V reference and features a 2.0475V full-scale output range. The MAX5231 consumes only 470µA while the MAX5230 consumes only 420µA of supply current. Both devices feature low-power (2µA) software- and hardware-enabled shutdown modes.

The MAX5230/MAX5231 feature a 13.5MHz SPI™-, QSPI™-, and MICROWIRE™-compatible 3-wire serial interface. An additional data output (DOUT) allows for daisy-chaining and read back. Each DAC has a double-buffered digital input. The MAX5230/MAX5231 feature two software-selectable shutdown output impedances: 1kΩ or 200kΩ. A power-up reset feature sets DAC outputs at ground or at the midscale DAC code. The MAX5230/MAX5231 are specified over the extended temperature range (-40°C to +85°C) and are available in 16-pin QSOP packages.

Key Features

Applications/Uses

Internal 10ppm/°C Precision Bandgap Reference
- 2.465V (MAX5231)
- 1.234V (MAX5230)
Single-Supply Operation
- 5V (MAX5231)
- 3V (MAX5230)
Low Supply Current
- 470µA (MAX5231)
- 420µA (MAX5230)
13.5MHz SPI/QSPI/MICROWIRE-Compatible, 3-Wire Serial Interface
Pin-Programmable Power-Up Reset State to Zero or Midscale Output Voltage
Programmable Shutdown Modes with 1kΩ or 200kΩ Internal Output Loads
Recalls Output State Prior to Shutdown or Reset
Buffered Output Drives 5kΩ || 100pF Loads
Space-Saving 16-Pin QSOP Package

	µP-Controlled Systems
	Automated Test Equipment (ATE)
	Digital Offset and Gain Adjustments
	Industrial Process Controls
	Motion Control

Key Specifications: Precision DACs (12-16 Bits)

Part Number

Number of Bits

Number of Channels

Output Type

Reference

Max. INL (±LSB)

Interface

Min. Single Supply (V)

Max. Single Supply (V)

Operating Temp. Range (°C)

Price^**

MAX5230A

Voltage- Buffered

Int.

0.5

Serial - SPI

2.7

3.6

-40 to +85

$10.25 @ 1k

MAX5230B

2.7

3.6

$7.75 @ 1k

MAX5231A

0.5

4.5

5.5

$10.25 @ 1k

MAX5231B

4.5

5.5

$7.75 @ 1k

See All Precision DACs (12-16 Bits) (235)

Key Specifications: Precision DACs (4-12 Bits)

Part Number

Number of Bits

Number of Channels

Output Type

Reference

Max. INL (±LSB)

Interface

Min. Single Supply (V)

Max. Single Supply (V)

Operating Temp. Range (°C)

Price^**

MAX5230A

Voltage- Buffered

Int.

0.5

Serial - SPI

2.7

3.6

-40 to +85

$10.25 @ 1k

MAX5230B

2.7

3.6

$7.75 @ 1k

MAX5231A

0.5

4.5

5.5

$10.25 @ 1k

MAX5231B

4.5

5.5

$7.75 @ 1k

See All Precision DACs (4-12 Bits) (261)

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.