DAC8544 datasheet(11/25 Pages) TI2

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0.00

0.50

1.00

1.50

t − Time − 12 ms/div

VDD = VREF = 2.7 V

Output Loaded With

2 k

Ω and 200 pF to

GND

3.5

2.5

1.5

0.5

VDD = VREF = 2.7 V

Output Loaded With

2 k

Ω and 200 pF to

GND

t − Time − 12 ms/div

Large Signal

500

1 k

1.5 k

2 k

2.5 k

3 k

3.5 k

4 k

4.5 k

Output Frequency − Hz

VDD = VREF

−1 dB FSR Digital Input, FS = 52 Ksps

Measurement Bandwidth = 20 kHz

VDD = 5 V

VDD = 2.7 V

500

1 k

1.5 k

2 k

2.5 k

3 k

3.5 k

4 k

Output Frequency − Hz

VDD = VREF = 5 V

FS = 52 Ksps −1 dB FSR Digital Input

Measurement Bandwidth = 20 kHz

THD

3rd Harmonic

2nd Harmonic

−10

−20

−30

−40

−50

−60

−70

−80

−90

−100

t − Time − 2 ms/div

Small-Signal Settling

Trigger Signal

−10

−20

−30

−40

−50

−60

−70

−80

−90

−100

500

1 k

1.5 k

2 k

2.5 k

3 k

3.5 k

4 k

Output Frequency − Hz

VDD = VREF = 2.7 V

FS = 52 Ksps, −1 dB FSR Digital Input

Measurement Bandwidth = 20 kHz

THD

3rd Harmonic

2nd Harmonic

DAC8544

SLAS420A – MAY 2004 – REVISED JUNE 2005

TYPICAL CHARACTERISTICS (continued)

This condition applies to all typical characteristics: V

REF+ = VDD, VREF– = GND, TA = 25°C (unless otherwise noted)

FULL-SCALE SETTLING TIME

HALF-SCALE SETTLING TIME

Figure 23.

Figure 24.

SIGNAL-TO-NOISE

TOTAL HARMONIC DISTORTION

OUTPUT FREQUENCY

Figure 25.

Figure 26.

TOTAL HARMONIC DISTORTION

FULL-SCALE SETTLING TIME

(SMALL-SIGNAL POSITIVE-GOING STEP)

OUTPUT FREQUENCY

Figure 27.

Figure 28.

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