9

®

DAC7641

TYPICAL PERFORMANCE CURVES: VSS = –5V

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

3.0

2.0

1.0

0

–1.0

–2.0

–3.0

2.0

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

LINEARITY ERROR AND

DIFFERENTIAL LINEARITY ERROR vs CODE

(+25

°C)

0000

H

2000

H

4000

H

6000

H

8000

H

Digital Input Code

A000

H C000H

E000

H FFFFH

3.0

2.0

1.0

0

–1.0

–2.0

–3.0

2.0

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

LINEARITY ERROR AND

DIFFERENTIAL LINEARITY ERROR vs CODE

(+85

°C)

0000

H

2000

H

4000

H

6000

H

8000

H

Digital Input Code

A000

H C000H

E000

H FFFFH

3.0

2.0

1.0

0

–1.0

–2.0

–3.0

2.0

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

LINEARITY ERROR AND

DIFFERENTIAL LINEARITY ERROR vs CODE

(–40

°C)

0000

H

2000

H

4000

H

6000

H

8000

H

Digital Input Code

A000

H C000H

E000

H FFFFH

0.30

0.25

0.20

0.15

0.10

0.05

0.00

V

REFH CURRENT vs 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

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)

ZERO-SCALE ERROR vs TEMPERATURE

(Code 8000

H)

–40 –30 –20 –10 0

1020304050607080

90