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(+)

DAC5311

DAC6311

DAC7311

www.ti.com

SBAS442A

– AUGUST 2008 – REVISED AUGUST 2011

1.8V to 5.5V, 80

μA, 8-, 10-, and 12-Bit, Low-Power, Single-Channel,

DIGITAL-TO-ANALOG CONVERTERS in SC70 Package

1

FEATURES

DESCRIPTION

The

DAC5311

(8-bit),

DAC6311

(10-bit),

and

234

•

Relative Accuracy:

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

– 0.25 LSB INL (DAC5311: 8-bit)

voltage output digital-to-analog converters (DAC).

– 0.5 LSB INL (DAC6311: 10-bit)

They are monotonic by design and provide excellent

linearity

and

minimize

undesired

code-to-code

– 1 LSB INL (DAC7311: 12-bit)

transient voltages while offering an easy upgrade

•

microPower Operation: 80

μA at 1.8V

path within a pin-compatible family. All devices use a

•

Power-Down: 0.5

μA at 5V, 0.1μA at 1.8V

versatile, 3-wire serial interface that operates at clock

rates of up to 50MHz and is compatible with standard

•

Wide Power Supply: +1.8V to +5.5V

SPI

™, QSPI™, MICROWIRE™, and digital signal

•

Power-On Reset to Zero Scale

processor (DSP) interfaces.

•

Straight Binary Data Format

All devices use an external power supply as a

•

Low Power Serial Interface with

reference voltage to set the output range. The

Schmitt-Triggered Inputs: Up to 50MHz

devices incorporate a power-on reset (POR) circuit

•

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

that ensures the DAC output powers up at 0V and

Operation

remains there until a valid write to the device occurs.

The DAC5311, DAC6311, and DAC7311 contain a

•

SYNC Interrupt Facility

power-down

feature,

accessed

over

the

serial

•

Extended Temperature Range

–40°C to +125°C

interface, that reduces current consumption of the

•

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

device to 0.1

μA at 1.8V in power down mode. The

Package

low power consumption of this part in normal

operation

makes

it

ideally

suited

for

portable,

battery-operated equipment. The power consumption

APPLICATIONS

is 0.55mW at 5V, reducing to 2.5

μW in power-down

•

Portable, Battery-Powered instruments

mode.

•

Process Control

•

Digital Gain and Offset Adjustment

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

package.

This

package

offers

a

flexible,

pin-compatible, and functionally-compatible drop-in

RELATED

solution

within

the

family

over

an

extended

DEVICES

16-BIT

14-BIT

12-BIT

10-BIT

8-BIT

temperature range of

–40°C to +125°C.

Pin and

Function

DAC8411

DAC8311

DAC7311

DAC6311

DAC5311

Compatible

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

SPI, QSPI are trademarks of Motorola, Inc.

3

MICROWIRE is a trademark of National Semiconductor Corporation.

4

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright

© 2008–2011, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.