DAC7728 datasheet(30/54 Pages) TI

30 / 54 page

Time(10 s/div)

1LSB/div

5V/div

LDAC

Small-SignalError

Large-SignalOutput

Codechange:FFFhto010h

Outputloadedwith10k

and

240pFtoAGND

Time(10 s/div)

1LSB/div

5V/div

LDAC

Small-SignalError

Large-SignalOutput

Codechange:010htoFFFh

Outputloadedwith10k

and

240pFtoAGND

5V/div

Time(10 s/div)

1LSB/div

5V/div

LDAC

Small-SignalError

Large-SignalOutput

Codechange:400htoC00h

Outputloadedwith10k

and

240pFtoAGND

Time(10 s/div)

1LSB/div

5V/div

LDAC

Small-SignalError

Large-SignalOutput

Codechange:C00hto400h

Outputloadedwith10k

and

240pFtoAGND

Time(2 s/div)

5V/div

LDAC

OUT

Codechange:7FFhto800h

Outputloadedwith10k

and

240pFtoAGND

3mV/div

IntegratedGlitchEnergy(1nV-s)

Time(2 s/div)

5V/div

LDAC

OUT

Codechange:800hto7FFh

Outputloadedwith10k

and

240pFtoAGND

3mV/div

IntegratedGlitchEnergy(2.1nV-s)

DAC7728

SBAS461A – JUNE 2009 – REVISED NOVEMBER 2009

www.ti.com

TYPICAL CHARACTERISTICS: Single-Supply (continued)

At TA = +25°C, VREF = +5V, AVDD = +32V, and gain = 6, unless otherwise noted.

SETTLING TIME

0V TO 30V TRANSITION

30V TO 0V TRANSITION

Figure 83.

Figure 84.

SETTLING TIME

1/4 TO 3/4 FULL-SCALE TRANSITION

3/4 TO 1/4 FULL-SCALE TRANSITION

Figure 85.

Figure 86.

MAJOR CARRY GLITCH

Figure 87.

Figure 88.

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