DAC7678SPW datasheet(14/52 Pages) TI

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- 2 mV/div

OUT

- 2 V/div

= 5.5 V,

DAC Unloaded,

DAC at Zero Scale

t - Time - 10 ms/div

~2 mVPP

= 5.5 V,

Clock Feedthrough Impulse ~1.5 nV-s

Internal Reference Enabled

t - Time - 1 s/div

- 5 mV/div

OUT

SCL - 5 V/div

- 2 V/div

OUT

- 2 V/div

= 5.5 V,

DAC Unloaded,

DAC at Zero Scale

t - Time - 20 ms/div

- 1 mV/div

OUT

- 2 V/div

= 5.5 V,

DAC Unloaded,

DAC at Zero Scale

t - Time - 10 ms/div

LDAC Clock

Feed-Through

- 500 V/div

OUT

LDAC - Trigger Pulse

5 V/div

= 5.5 V,

From Code 801h to 800h

t - Time - 2 s/div

- 500 V/div

OUT

LDAC - Trigger Pulse

5 V/div

= 5.5 V,

From Code 800h to 801h

t - Time - 2 s/div

LDAC Clock

Feed-Through

DAC7678

SBAS493A – FEBRUARY 2010 – REVISED AUGUST 2010

www.ti.com

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

CLOCK FEEDTHROUGH

POWER-ON GLITCH

400 kHz, MIDSCALE

RESET TO ZERO SCALE

Figure 41.

Figure 42.

POWER-ON GLITCH

RESET-TO-MID SCALE

POWER-OFF GLITCH

Figure 43.

Figure 44.

GLITCH ENERGY:

5V 1LSB STEP, RISING EDGE

5V 1LSB STEP, FALLING EDGE

Figure 45.

Figure 46.

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