MAX5120, MAX5121 +3V/+5V, 12-Bit, Serial, Voltage-Output DACs with Internal Reference

Description

The MAX5120/MAX5121 are low-power, 12-bit, voltage-output digital-to-analog converters (DACs) with an internal precision bandgap reference and an output amplifier. The MAX5120 operates on a +5V supply with an internal amplifier reference of +2.5V and is capable of a +4.095V full-scale output range. The MAX5121, operating on +3V, delivers its +2.0475V full-scale output with an internal precision reference of +1.25V. If necessary, the user can override the internal, <10ppm/°C voltage reference with an external reference. Both devices draw only 500µA of supply current, which reduces to 3µA in power-down mode. In addition, their power-up reset feature allows for a user-selectable initial output state of either 0V or midscale and minimizes output voltage glitches during power-up.

The serial interface is compatible with SPI™, QSPI™ and MICROWIRE™, which makes the MAX5120/MAX5121 suitable for cascading multiple devices. Each DAC has a double-buffered input organized as an input register followed by a DAC register. A 16-bit shift register loads data into the input register. The DAC register may be updated independently or simultaneously with the input register.

Both devices are available in a 16-pin QSOP package and are specified for the extended industrial (-40°C to +85°C) temperature range. For pin-compatible 14-bit upgrades, see the MAX5170/MAX5172 data sheet; for pin-compatible 13-bit versions, see the MAX5130/ MAX5131 data sheet.

Key Features

Applications/Uses

Single-Supply Operation
- +5V (MAX5120)
- +3V (MAX5121)
Full-Scale Output Range
- +4.095V (MAX5120)
- +2.0475V (MAX5121)
Built-In 10ppm/°C (max) Precision Bandgap Reference
- +2.5V (MAX5120)
- +1.25V (MAX5121)
Adjustable Output Offset
SPI/QSPI/Microwire-Compatible, 3-Wire Serial Interface
Pin-Programmable Shutdown Mode and Power-Up Reset (0V or Midscale Output Voltage)
Buffered Output Capable of Driving 5kΩ ||100pF or 4-20mA Loads
Space-Saving 16-Pin QSOP Package
Pin-Compatible 13-Bit Upgrades Available (MAX5130/MAX5131)
Pin-Compatible 14-Bit Upgrades Available (MAX5170/5172)

	µP-Controlled Systems
	Automated Test Equipment (ATE)
	Digital Gain and Offset Control
	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^**

MAX5120A

Voltage- Buffered

Int.

0.5

Serial - SPI

4.5

5.5

-40 to +85

$4.94 @ 1k

MAX5120B

4.5

5.5

$3.80 @ 1k

MAX5121A

2.7

3.6

$4.94 @ 1k

MAX5121B

2.7

3.6

$3.80 @ 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^**

MAX5120A

Voltage- Buffered

Int.

0.5

Serial - SPI

4.5

5.5

-40 to +85

$4.94 @ 1k

MAX5120B

4.5

5.5

$3.80 @ 1k

MAX5121A

2.7

3.6

$4.94 @ 1k

MAX5121B

2.7

3.6

$3.80 @ 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.

Ordering Information

Notes:

Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-16 of 16

MAX5120

Free
Sample

Buy

Package:	TYPE PINS FOOTPRINT
	DRAWING CODE/VAR *

Temp

RoHS/Lead-Free?
Materials Analysis

MAX5120AEEE

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16-5*

-40°C to +85°C

RoHS/Lead-Free: No
Materials Analysis

MAX5120AEEE-T

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16-5*

-40°C to +85°C

RoHS/Lead-Free: No
Materials Analysis

MAX5120BEEE

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16-5*

-40°C to +85°C

RoHS/Lead-Free: No
Materials Analysis

MAX5120BEEE-T

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16-5*

-40°C to +85°C

RoHS/Lead-Free: No
Materials Analysis

MAX5120AEEE+

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+5*

-40°C to +85°C

RoHS/Lead-Free: Lead Free
Materials Analysis

MAX5120AEEE+T

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+5*

-40°C to +85°C

RoHS/Lead-Free: Lead Free
Materials Analysis

MAX5120BEEE+

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+5*

-40°C to +85°C

RoHS/Lead-Free: Lead Free
Materials Analysis

MAX5120BEEE+T

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+5*

-40°C to +85°C

RoHS/Lead-Free: Lead Free
Materials Analysis

MAX5121

Free
Sample

Buy

Package:	TYPE PINS FOOTPRINT
	DRAWING CODE/VAR *

Temp

RoHS/Lead-Free?
Materials Analysis

MAX5121AEEE

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16-5*

-40°C to +85°C

RoHS/Lead-Free: No
Materials Analysis

MAX5121AEEE-T

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16-5*

-40°C to +85°C

RoHS/Lead-Free: No
Materials Analysis

MAX5121BEEE

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16-5*

-40°C to +85°C

RoHS/Lead-Free: No
Materials Analysis

MAX5121BEEE-T

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16-5*

-40°C to +85°C

RoHS/Lead-Free: No
Materials Analysis

MAX5121AEEE+

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+5*

-40°C to +85°C

RoHS/Lead-Free: Lead Free
Materials Analysis

MAX5121AEEE+T

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+5*

-40°C to +85°C

RoHS/Lead-Free: Lead Free
Materials Analysis

MAX5121BEEE+

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+5*

-40°C to +85°C

RoHS/Lead-Free: Lead Free
Materials Analysis

MAX5121BEEE+T

QSOP;16 pin;31 mm²
Outline Drawing: 21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+5*

-40°C to +85°C

RoHS/Lead-Free: Lead Free
Materials Analysis

Related Products

MAX5352, MAX5353 Low-Power, 12-Bit Voltage-Output DACs with Serial Interface
MAX5130, MAX5131 +3V/+5V, 13-Bit, Serial, Voltage-Output DACs with Internal Reference
MAX5122, MAX5123 +5V/+3V, 12-Bit, Serial, Force/Sense DACs with 10ppm/°C Internal Reference