2

®

DAC7744

DAC7744E

DAC7744EB

DAC7744EC

PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

ACCURACY

Linearity Error

T = 25

°C

±3

T

±2

LSB

TMIN to TMAX

±4

T

±3

LSB

Linearity Match

±4

T

±2

LSB

Differential Linearity Error

T = 25

°C

±3

±2

±1

LSB

TMIN to TMAX

±3

±2

±1

LSB

Monotonicity, TMIN to TMAX

14

15

16

Bits

Bipolar Zero Error

T = 25

°C

±0.01

±0.025

TT

% of FSR

Bipolar Zero Error, TMIN to TMAX

±0.05

TT

% of FSR

Full-Scale Error

T = 25

°C

±0.025

TT

% of FSR

Full-Scale Error, TMIN to TMAX

±0.05

TT

% of FSR

Bipolar Zero Matching

Channel-to-Channel

±0.024

TT

% of FSR

Matching

Full-Scale Matching

Channel-to-Channel

±0.024

TT

% of FSR

Matching

Power Supply Rejection Ratio (PSRR)

At Full Scale

25

TT

ppm/V

ANALOG OUTPUT

Voltage Output

VREFLVREFH

TT

T

T

V

Output Current

±5

TT

mA

Maximum Load Capacitance

500

TT

pF

Short-Circuit Current

±20

TT

mA

Short-Circuit Duration

To VSS, VDD or GND

Indefinite

TT

REFERENCE INPUT

Ref High Input Voltage Range

VREFL + 1.25

+10

TT

T

T

V

Ref Low Input Voltage Range

–10

VREFH – 1.25

TT

T

T

V

Ref High Input Current

–0.3

2.6

TT

mA

Ref Low Input Current

–3.2

–0.3

TT

mA

DYNAMIC PERFORMANCE

Settling Time

To

±0.003%, 20V

9

11

TT

T

T

µs

Output Step

Channel-to-Channel Crosstalk

See Figure 5

0.5

TT

LSB

Digital Feedthrough

2

TT

nV-s

Output Noise Voltage

f = 10kHz

60

TT

nV/

√Hz

DIGITAL INPUT

VIH

0.7 • VDD

VDD

TT

V

VIL

0

0.3 • VDD

T

V

IIH

±10

T

µA

IIL

±10

T

µA

DIGITAL OUTPUT

VOH

IOH = –0.8mA

3.6

4.5

TT

TT

V

VOL

IOL = 1.6mA

0.3

0.4

TT

T

T

V

POWER SUPPLY

VDD

+4.75

+5.0

+5.25

TTT

TT

T

V

VCC

+14.25

+15.0

+15.75

TTT

TT

T

V

VSS

–14.25

–15.0

–15.75

TTT

TT

T

V

IDD

50

TT

µA

ICC

6

TT

mA

ISS

–5

TT

mA

Power

170

200

TT

mW

TEMPERATURE RANGE

Specified Performance

–40

+85

TT

T

T

°C

T Specifications same as grade to the left.

The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes

no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change

without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant

any BURR-BROWN product for use in life support devices and/or systems.

SPECIFICATIONS (Dual Supply)

At TA = TMIN to TMAX, VCC = +15V, VDD = +5V, VSS = –15V, VREFH = +10V, and VREFL = –10V, unless otherwise noted.