8

®

DAC7744

TYPICAL PERFORMANCE CURVES: VSS = 0V (Cont.)

At TA = +25°C, VDD = +5V, VCC = +15V, VSS = 0, VREFH = +10V, and VREFL = 0V, representative unit, unless otherwise specified.

2

1.5

1

0.5

0

–0.5

–1

–1.5

–2

Temperature (

°C)

–40 –30

–10

0

–20

10

20

40

50

30

70

80

90

60

ZERO-SCALE ERROR vs TEMPERATURE

DAC A

DAC D

DAC B

DAC C

Code (0040

H)

Code (0021

H)

2

1.5

1

0.5

0

–0.5

–1

–1.5

–2

Temperature (

°C)

–40 –30

–10

0

–20

10

20

40

50

30

70

80

90

60

FULL-SCALE ERROR vs TEMPERATURE

DAC A

DAC D

DAC B

DAC C

Code (FFFF

H)

1.0

0.8

0.6

0.4

0.2

0

–0.2

–0.4

0

–0.2

–0.4

–0.6

–0.8

–1.0

–1.2

–1.4

CURRENT vs CODE

All DACS Sent to Indicated Code

(DAC C and D)

V

REFH

V

REFL

0000

H

2000

H

4000

H

6000

H

8000

H

Digital Input Code

A000

H C000H

E000

H FFFFH

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

Digital Input Code

0

2000

H

4000

H

6000

H

8000

H

A000

H

C000

H

E000

H

FFFF

H

POSITIVE SUPPLY CURRENT

vs DIGITAL INPUT CODE

No Load

1.0

0.8

0.6

0.4

0.2

0

–0.2

–0.4

0

–0.2

–0.4

–0.6

–0.8

–1.0

–1.2

–1.4

0000

H

2000

H

4000

H

6000

H

8000

H

Digital Input Code

A000

H C000H

E000

H FFFFH

CURRENT vs CODE

All DACs Sent to Indicated Code

(DAC A and B)

V

REFH

V

REFL

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

–0.5

Temperature (

°C)

–40 –30

–10

0

–20

10

20

40

50

30

70

80

90

60

POWER SUPPLY CURRENT vs TEMPERATURE

I

CC

I

DD

Data = FFFF

H (all DACs)

No Load