DAC7678SPW datasheet(21/52 Pages) TI

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Digital Input Code

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

1.10

1.20

1.30

512

1024

1536

2048

2560

3072

3584

4096

= 2.7 V,

External Reference = 2.5 V,

Internal Reference Disabled,

Code Loaded to all Eight DAC Channels

- Supply Current - mA

= 2.7 V,

External Reference = 2.5 V

Zoomed Rising Edge

100 V/div

= 2.7 V,

From Code 000h to FFFh

External Reference = 2.5 V

Rising Edge

2 V/div

Trigger Pulse

5 V/div

t - Time - 5 s/div

Falling Edge

2 V/div

= 2.7 V,

From Code FFFh to 000h

External Reference = 2.5 V

t - Time - 5 s/div

Zoomed Falling Edge

100 V/div

Trigger Pulse

5 V/div

Rising Edge

2 V/div

= 2.7 V,

From Code 400h to C00h

External Reference = 2.5 V

t - Time - 5 s/div

Zoomed Rising Edge

100 V/div

Trigger Pulse

5 V/div

Falling Edge

2 V/div

= 2.7 V,

From Code C00h to 400h

External Reference = 2.5 V

t - Time - 5 s/div

Zoomed Falling Edge

100 V/div

Trigger Pulse

5 V/div

DAC7678

www.ti.com

SBAS493A – FEBRUARY 2010 – REVISED AUGUST 2010

TYPICAL CHARACTERISTICS: DAC AT AVDD = 2.7 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

POWER SUPPLY CURRENT

vs DIGITAL INPUT CODE

HISTOGRAM

Figure 74.

Figure 75.

FULL-SCALE SETTLING TIME:

2.7V RISING EDGE

2.7V FALLING EDGE

Figure 76.

Figure 77.

HALF-SCALE SETTLING TIME:

2.7V RISING EDGE

2.7V FALLING EDGE

Figure 78.

Figure 79.

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DAC7678SPW Datasheet(PDF) 21 Page - Texas Instruments

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