DAC2902

7

SBAS167C

www.ti.com

SFDR vs f

OUT AT 125MHz

f

OUT (MHz)

85

80

75

70

65

60

55

50

20

10

30

40

50

60

0

–6dBFS

0dBFS

SFDR AT 125MSPS vs TEMPERATURE

Temperature (

°C)

90

85

80

75

70

65

60

55

50

0

–20

25

50

70

85

–40

2MHz

40MHz

10MHz

20MHz

SINAD vs f

CLK AND IOUT AT 5MHz

f

CLK (MSPS)

70

67.5

65

62.5

60

40

60

80

100

120

140

20

20mA

10mA

5mA

GAIN AND OFFSET DRIFT

Temperature (

°C)

0.8

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

–0.8

0.004

0.003

0.002

0.001

0

–0.001

–0.002

–0.003

–0.004

0

–20

20

40

60

80

85

–40

Offset Error

Gain Error

SFDR vs I

OUTFS AND fOUT AT 78MSPS, 0dBFS

f

OUT (MHz)

80

78

76

74

72

70

68

66

64

62

60

10

515

20

25

0

I

OUTFS = 20mA

I

OUTFS = 10mA

I

OUTFS = 2mA

I

OUTFS = 5mA

I

VD vs RATIO AT +VD = +3.3V

Ratio (F

OUT/FCLK)

25

20

15

10

5

0

0.10

0.05

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.00

125MSPS

100MSPS

78MSPS

52MSPS

26MSPS

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.