DAC7644EB datasheet(13/25 Pages) TI1

13 / 25 page

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.

1.5

0.5

–0.5

–1

–1.5

–2

Temperature (

°C)

–40

–25

025

ZERO-SCALE ERROR vs TEMPERATURE

(Code 8000

DAC B

DAC D

DAC A

DAC C

1.5

0.5

–0.5

–1

–1.5

–2

Temperature (

°C)

–40

–25

025

POSITIVE FULL-SCALE ERROR vs TEMPERATURE

(Code FFFF

DAC B

DAC D

DAC A

DAC C

+0.6

+0.5

+0.4

+0.3

+0.2

+0.1

0.0

REFH CURRENT vs CODE

(all DACs sent to indicated code)

0000

2000

4000

6000

8000

Digital Input Code

A000

H C000H

E000

H FFFFH

0.0

–0.1

–0.2

–0.3

–0.4

–0.5

–0.6

REFL CURRENT vs CODE

(all DACs sent to indicated code)

0000

2000

4000

6000

8000

Digital Input Code

A000

H C000H

E000

H FFFFH

1.5

0.5

–0.5

–1

–1.5

–2

Temperature (

°C)

–40

–25

025

NEGATIVE FULL-SCALE ERROR vs TEMPERATURE

(Code 0000

DAC D

DAC B

DAC A

DAC C

2.5

1.5

0.5

–0.5

–1

–1.5

–2

–2.5

–3

Temperature (

°C)

–40

–25

025

POWER SUPPLY CURRENT

vs TEMPERATURE

Data = FFFF

H (all DACs)

No Load

DAC7644EB Datasheet(PDF) 13 Page - Texas Instruments

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