DAC2902

8

SBAS167C

www.ti.com

TYPICAL CHARACTERISTICS (continued)

TA = +25°C, +VD = +3.3V, +VA = +5V, differential transformer coupled, IOUT = 20mA, 50Ω double-terminated load, and SFDR up to Nyquist, unless otherwise noted.

I

VA vs IOUTFS

I

OUTFS (mA)

60

55

50

45

40

35

30

25

20

15

10

10

515

20

25

0

SINGLE-TONE SFDR

Frequency (MHz)

10

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

4

8

12

16

20

0

f

CLOCK = 52MSPS

f

OUT = 5.23MHz

Amplitude = 0dBFS

SINGLE-TONE SFDR

Frequency (MHz)

10

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

10

20

30

40

50

0

f

CLOCK = 100MSPS

f

OUT = 20.2MHz

Amplitude = 0dBFS

DUAL-TONE SFDR

Frequency (MHz)

10

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

7.8

15.6

23.4

31.2

39.0

0

f

CLOCK = 78MSPS

f

OUT1 = 9.44MHz

f

OUT2 = 10.44MHz

Amplitude = 0dBFS

FOUR-TONE SFDR

Frequency (MHz)

10

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

510

15

20

25

0

f

CLOCK = 50MSPS

f

OUT1 = 6.25MHz

f

OUT2 = 6.75MHz

f

OUT3 = 7.25MHz

f

OUT4 = 7.75MHz

Amplitude = 0dBFS