DAC7678_10 datasheet(9/52 Pages) TI

No de pièce	DAC7678

Description	12-Bit, Octal-Channel, Ultra-Low Glitch, Voltage Output, Two-Wire Interface Digital-to-Analog Converter with 2.5V Internal Reference

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Fabricant	TI [Texas Instruments]

Site Internet	http://www.ti.com

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9 / 52 page

-1.00

-0.80

-0.60

-0.40

-0.20

0.00

0.20

0.40

0.60

0.80

1.00

0

512

1024

1536

2048

2560

3072

3584

4096

Digital Input Code

AV

= 5.5 V,

Internal Reference = 2.5 V,

Typical Channel Shown

DD

-0.25

-0.20

-0.15

-0.10

-0.05

0.00

0.05

0.10

0.15

0.20

0.25

0

512

1024

1536

2048

2560

3072

3584

4096

Digital Input Code

AV

= 5.5 V,

Internal Reference = 2.5 V,

Typical Channel Shown

DD

-40

-25

5

-10

35

50

80

95

125

T - Temperature -°C

-1.00

-0.80

-0.60

-0.40

-0.20

0.00

0.20

0.40

0.60

0.80

1.00

20

65

110

INL MAX

INL MIN

AV

= 5.5 V,

Internal Reference = 2.5 V

DD

-0.25

-0.20

-0.15

-0.10

-0.05

0.00

0.05

0.10

0.15

0.20

0.25

-40

-25

5

20

35

65

80

110

125

T - Temperature -°C

DNL MAX

DNL MIN

AV

= 5.5 V,

Internal Reference = 2.5 V

DD

-10

50

95

-4

-3

-2

-1

0

1

2

3

4

Ch A

Ch B

Ch C

Ch D

Ch E

Ch F

Ch G

Ch H

AV

= 5.5 V,

Internal Reference = 2.5 V

DD

-40

-25

-10

5

20

35

50

65

80

95

110

125

T - Temperature -°C

0.80

0.90

1.00

1.10

1.20

1.30

1.40

-40

-25

-10

5

20

35

50

65

80

95

110

125

T - Temperature -°C

AV

= 5.5 V,

External Reference = 5 V

DD

DAC7678

www.ti.com

SBAS493A – FEBRUARY 2010 – REVISED AUGUST 2010

TYPICAL CHARACTERISTICS: DAC at AVDD = 5.5 V (continued)

At TA = 25°C, external reference used, DAC output not loaded, and all DAC codes in straight binary data format, unless

otherwise noted

LINEARITY ERROR

DIFFERENTIAL LINEARITY ERROR

vs DIGITAL INPUT CODE (+125°C)

Figure 14.

Figure 15.

LINEARITY ERROR

DIFFERENTIAL LINEARITY ERROR

vs TEMPERATURE

Figure 16.

Figure 17.

POWER SUPPLY CURRENT

OFFSET ERROR

vs TEMPERATURE

Figure 18.

Figure 19.

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