DAC7678SPW datasheet(21/57 Pages) TI2

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- 5 mV/div

OUT

SCL - 5 V/div

= 2.7 V,

Clock Feedthrough Impulse ~ 0.5n V-s

External Reference = 2.5 V

t - Time - 1

s/div

- 2 mV/div

OUT

- 2 V/div

~ 1.8 mV

= 2.7 V,

External Reference = 2.5 V,

DAC = Zero Scale,

DACs unloaded

t - Time - 10 ms/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

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

DAC7678

www.ti.com

SBAS493C – FEBRUARY 2010 – REVISED JANUARY 2014

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

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.

CLOCK FEEDTHROUGH

POWER-ON GLITCH

400 kHz, MIDSCALE

RESET TO ZERO SCALE

Figure 80.

Figure 81.

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