Power-On

Reset

DAC

Register

8-/10-/12-Bit

DAC

Output

Buffer

InputControl

Logic

Power-Down

ControlLogic

Resistor

Network

SYNC SCLK

D

IN

AV

DD

GND

V

OUT

REF(+)

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

Reference

Design

DAC5311, DAC6311, DAC7311

SBAS442C – AUGUST 2008 – REVISED JULY 2015

DACx311 2-V to 5.5-V, 80-µA, 8-, 10-, and 12-Bit, Low-Power, Single-Channel,

Digital-to-Analog Converters in SC70 Package

1 Features

3 Description

The

DAC5311

(8-bit),

DAC6311

(10-bit),

and

1

•

Relative Accuracy:

DAC7311 (12-bit) devices are low-power, single-

–

0.25 LSB INL (DAC5311: 8-Bit)

channel, voltage output digital-to-analog converters

–

0.5 LSB INL (DAC6311: 10-Bit)

(DACs). The low power consumption of these devices

in normal operation (0.55 mW at 5 V, reducing to 2.5

–

1 LSB INL (DAC7311: 12-Bit)

μW in power-down mode) makes it ideally suited for

•

microPower Operation: 80

μA at 2.0 V

portable, battery-operated applications.

•

Power-Down: 0.5

μA at 5 V, 0.1 μA at 2.0 V

These devices are monotonic by design, provide

•

Wide Power Supply: 2.0 V to 5.5 V

excellent linearity, and minimize undesired code-to-

•

Power-On Reset to Zero Scale

code transient voltages while offering an easy

upgrade path within a pin-compatible family. All

•

Straight Binary Data Format

devices use a versatile, three-wire serial interface that

•

Low Power Serial Interface With Schmitt-

operates at clock rates of up to 50 MHz and is

Triggered Inputs: up to 50 MHz

compatible with standard SPI™, QSPI™, Microwire,

•

On-Chip Output Buffer Amplifier, Rail-to-Rail

and digital signal processor (DSP) interfaces.

Operation

All devices use an external power supply as a

•

SYNC Interrupt Facility

reference voltage to set the output range. The

•

Extended Temperature Range –40°C to +125°C

devices incorporate a power-on reset (POR) circuit

that ensures the DAC output powers up at 0 V and

•

Pin-Compatible Family in a Tiny, 6-Pin SC70

remains there until a valid write to the device occurs.

Package

The DAC5311, DAC6311, and DAC7311 contain a

power-down

feature,

accessed

over

the

serial

2 Applications

interface, that reduces current consumption of the

•

Portable, Battery-Powered instruments

device to 0.1

μA at 2.0 V in power-down mode.

•

Process Controls

These devices are pin-compatible with the DAC8311

•

Digital Gain and Offset Adjustment

and DAC8411, offering an easy upgrade path from

8-, 10-, and 12-bit resolution to 14- and 16-bit. All

•

Programmable Voltage and Current Sources

devices are available in a small, 6-pin, SC70 (SOT)

package. This package offers a flexible, pin- and

Simplified Schematic

function-compatible, drop-in solution within the family

over an extended temperature range of –40°C to

+125°C.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

DACx311

SC70 (6)

2.00 mm × 1.25 mm

(1) For all available packages, see the package option addendum

at the end of the data sheet.

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.