DAC8580IPWR datasheet(11/26 Pages) TI2

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−80

−60

−40

−20

3.5

4.5

5.5

THD

SFDR, Dominated by Images

OSR = 16,

Fo = 20 kHz,

Fclk = 8 MHz,

No Analog Filter Used,

Vref = AVDD = −AVSS

AVDD − Supply Voltage − V

−80

−60

−40

−20

50000

100000

150000

200000

250000

THD

SFDR

Output Frequency − Hz

OSR = 16,

No Analog Filter Used

VREF − Reference Voltage − V

−80

−60

−40

−20

3.5

4.5

5.5

THD

SFDR

OSR = 16,

Fo = 100 kHz,

Fclk = 16 MHz,

No Analog Filter Used,

AVDD = 6 V,

AVSS = −6 V

−4

−3

−2

−1

16384

32768

49152

65536

Input Code

After piece−wise linear external calibration

−140

−120

−100

−80

−60

−40

−20

1000

2000

3000

4000

5000

6000

f − Frequency − Hz

Fo = 1 kHz,

Fs = 192 KSPS

After piece−wise linear external calibration.

Filter Off

DAC8580

SLAS458B – JUNE 2005 – REVISED AUGUST 2005

TYPICAL CHARACTERISTICS (AVDD = 5 V, AVSS = –5 V, VREF = 4.096 V, unless otherwise

noted) (continued)

TOTAL HARMONIC DISTORTION

AND SPURIOUS FREE DYNAMIC RANGE

OUTPUT FREQUENCY

SUPPLY VOLTAGE

Figure 28.

Figure 29.

TOTAL HARMONIC DISTORTION

SOFTWARE-TRIMMED UNIT

AND SPURIOUS FREE DYNAMIC RANGE

LINEARITY ERROR

REFERENCE VOLTAGE

INPUT CODE

Figure 30.

Figure 31.

SOFTWARE-TRIMMED UNIT

POWER SPECTRAL DENSITY

Figure 32.

Not Recommended For New Designs

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