13

®

DAC7744

TYPICAL PERFORMANCE CURVES: VSS = –15V (Cont.)

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

2.0

1.5

1.0

0.5

0

-0.5

–1.0

–1.5

0.5

0

–0.5

–1.0

–1.5

–2.0

–2.5

–3.0

CURRENT vs CODE

All DACs Sent to Indicated Code

(DAC A and B)

V

REFH

V

REFL

0000

H

2000

H

4000

H

6000

H

8000

H

Digital Input Code

A000

H C000H

E000

H FFFFH

2.0

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

0.5

0

–0.5

–1.0

–1.5

–2.0

–2.5

–3.0

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

2

1.5

1

0.5

0

–0.5

–1

–1.5

–2

Temperature (

°C)

–40

–20

100

020

40

60

80

BIPOLAR ZERO SCALE ERROR vs TEMPERATURE

(Code 8000

H)

DAC B

DAC D

DAC A

DAC C

2

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

Temperature (

°C)

–40

–10

0

–30 –20

90

10

20

30

40

50 60

70

80

POSITIVE FULL-SCALE ERROR vs TEMPERATURE

(Code FFFF

H)

DAC B

DAC A

DAC C

DAC D

2

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

Temperature (

°C)

–40

–10

0

–30 –20

90

10

20

30

40

50 60

70

80

NEGATIVE FULL-SCALE ERROR vs TEMPERATURE

(Code 0000

H)

DAC B

DAC A

DAC C

DAC D

7

6

5

4

3

2

1

0

–1

–2

–3

–4

–5

–6

–7

Temperature (

°C)

–40

–10

0

–30 –20

90

10

20

30

40

50 60

70

80

POWER SUPPLY CURRENT vs TEMPERTURE

I

SS

I

CC

I

DD

Data = FFFF

H (all DACs)

No Load