1

FEATURES

DESCRIPTION

APPLICATIONS

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

1.8V to 5.5V, 80

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

DIGITAL-TO-ANALOG CONVERTERS in SC70 Package

234

• Relative Accuracy:

The

DAC5311

(8-bit),

DAC6311

(10-bit),

and

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

–

1 LSB INL (DAC7311: 12-bit)

linearity

and

minimize

undesired

code-to-code

• microPower Operation: 80µA at 1.8V

transient voltages while offering an easy upgrade

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

• Power-Down: 0.5µA at 5V, 0.1µA at 1.8V

versatile, 3-wire serial interface that operates at clock

• Wide Power Supply: +1.8V to +5.5V

rates of up to 50MHz and is compatible with standard

• Power-On Reset to Zero Scale

SPI™, QSPI™, MICROWIRE™, and digital signal

processor (DSP) interfaces.

• Straight Binary Data Format

• Low Power Serial Interface with

All devices use an external power supply as a

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.

• SYNC Interrupt Facility

The DAC5311, DAC6311, and DAC7311 contain a

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

• Portable, Battery-Powered instruments

is 0.55mW at 5V, reducing to 2.5

µW in power-down

mode.

• Process Control

• Digital Gain and Offset Adjustment

These devices are pin-compatible with the DAC8311

and DAC8411, offering an easy upgrade path from

• Programmable Voltage and Current Sources

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

devices are available in a small, 6-pin, SC70

package.

This

package

offers

a

flexible,

RELATED

pin-compatible, and functionally-compatible drop-in

DEVICES

16-BIT

14-BIT

12-BIT

10-BIT

8-BIT

solution

within

the

family

over

an

extended

Pin and

Function

DAC8411

DAC8311

DAC7311

DAC6311

DAC5311

temperature range of –40°C to +125°C.

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, 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.