DAC2932

SBAS279D − AUGUST 2003 − REVISED JULY 2005

www.ti.com

12

TYPICAL CHARACTERISTICS (continued)

TA = +25°C, +VA = +VAV = +3V, +VD = +VDV = +3V, IOUTFS = 2mA, differential transformer-coupled output (n = 4:1), RL = 400Ω on I-DAC,

RL = 2kΩ on V-DAC, and GSET = H unless otherwise noted.

Figure 15

5.60

5.55

5.50

5.45

5.40

5.35

5.30

5.25

5.20

−40

−20

0

20

40

60

80 85

Temperature (

_C)

IA vs TEMPERATURE

Figure 16

6.5

6.0

5.5

5.0

4.5

4.0

3.5

3.0

2.5

2.0

−40

−20

0

20

40

60

80 85

Temperature (

_C)

ID vs TEMPERATURE AT fOUT AND fCLK

19.9MHz, 40MSPS

10MHz, 40MSPS

2.2MHz, 40MSPS

1MHz, 20MSPS

Figure 17

5.43

5.42

5.41

5.40

5.39

5.38

5.37

5.36

5.35

2.7

2.8

2.9

3.0

3.1

3.2

3.3

Supply Voltage (V)

IA vs SUPPLY VOLTAGE

Figure 18

6.5

6.0

5.5

5.0

4.5

4.0

3.5

3.0

2.5

2.0

2.72.8

2.93.0

3.13.2

3.3

Supply Voltage (V)

ID vs SUPPLY VOLTAGE AT fOUT AND fCLK

19.9MHz, 40MSPS

10MHz, 40MSPS

2.2MHz, 40MSPS

1MHz, 20MSPS

Figure 19

0

−10

−20

−30

−40

−50

−60

−70

−80

−90

−100

02

46

8

10

12

16

14

18

20

Frequency (MHz)

I−DAC1 OUTPUT SPECTRUM

fOUT =2.2MHz

fCLK = 40MSPS

Figure 20

0

−10

−20

−30

−40

−50

−60

−70

−80

−90

−100

02

468

10

12

16

14

18

20

Frequency (MHz)

I−DAC2 OUTPUT SPECTRUM

fOUT =2.2MHz

fCLK = 40MSPS