13

®

DAC7644

TYPICAL PERFORMANCE CURVES: VSS = –5V (CONT)

At TA = +25°C, VDD = VCC = +5V, VSS = –5V, VREFH = +2.5V, VREFL = –2.5V, 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

(Code 8000

H)

DAC B

DAC D

DAC A

DAC C

2

1.5

1

0.5

0

–0.5

–1

–1.5

–2

Temperature (

°C)

–40

–25

85

025

55

POSITIVE FULL-SCALE ERROR vs TEMPERATURE

(Code FFFF

H)

DAC B

DAC D

DAC A

DAC C

+0.6

+0.5

+0.4

+0.3

+0.2

+0.1

0.0

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

0.0

–0.1

–0.2

–0.3

–0.4

–0.5

–0.6

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

–0.5

–1

–1.5

–2

Temperature (

°C)

–40

–25

85

025

55

NEGATIVE FULL-SCALE ERROR vs TEMPERATURE

(Code 0000

H)

DAC D

DAC B

DAC A

DAC C

3

2.5

2

1.5

1

0.5

0

–0.5

–1

–1.5

–2

–2.5

–3

Temperature (

°C)

–40

–25

85

025

55

POWER SUPPLY CURRENT

vs TEMPERATURE

I

CC

I

SS

Data = FFFF

H (all DACs)

No Load