8

®

DAC7644

TYPICAL PERFORMANCE CURVES: VSS = 0V (CONT)

At TA = +25°C, VDD = VCC = +5V, VSS = 0V, VREFH = +2.5V, VREFL = 0V, representative unit, unless otherwise specified.

2

1.5

1

0.5

0

–0.5

–1

–1.5

–2

Temperature (

°C)

–40

–25

85

025

55

ZERO-SCALE ERROR vs TEMPERATURE

DAC C

DAC A

DAC D

DAC B

Code (0040

H)

2

1.5

1

0.5

0

–0.5

–1

–1.5

–2

Temperature (

°C)

–40

–25

85

025

55

FULL-SCALE ERROR vs TEMPERATURE

DAC C

DAC A

DAC B

DAC D

Code (FFFF

H)

0.30

0.25

0.20

0.15

0.10

0.05

0.00

V

REFH CURRENT vs CODE

(all DACs sent to indicated code)

0000

H

2000

H

4000

H

6000

H

8000

H

Digital Input Code

A000

H C000H

E000

H FFFFH

0.00

–0.05

–0.10

–0.15

–0.20

–0.25

–0.30

V

REFL CURRENT vs CODE

(all DACs sent to indicated code)

0000

H

2000

H

4000

H

6000

H

8000

H

Digital Input Code

A000

H C000H

E000

H FFFFH

2

1.5

1

0.5

0

Temperature (

°C)

–40

–25

85

025

55

POSITIVE SUPPLY CURRENT vs TEMPERATURE

Data = FFFF

H (all DACs)

No Load

2

1.5

1

0.5

0

Digital Input Code

0000

H 0200H 0400H 0800H 1000H 2000H 4000H 6000H 8000H A000H C000H E000H FFFFH

POSITIVE SUPPLY CURRENT

vs DIGITAL INPUT CODE

No Load

All DACs

One DAC