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SBAS274H − MARCH 2003 − REVISED MAY 2007

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13

TYPICAL CHARACTERISTICS (continued)

All specifications at TA = 25°C, AVDD = 5V, DVDD = IOVDD = 3V, fCLK = 40MHz, External VREF = +3V, 2XMODE = low, VCM = 2.0V, and

RBIAS = 37kΩ, unless otherwise noted.

18k

16k

14k

12k

10k

8k

6k

4k

2k

0

−5 −4 −3 −2 −1

012

345

Output Code (LSB)

NOISE HISTOGRAM

V

0

−20

−40

−60

−80

−100

−120

−140

−160

Frequency (MHz)

INTERMODULATION RESPONSE

1.95 1.96 1.97 1.98 1.99 2.00 2.01 2.02 2.03 2.04 2.05

f

f

IMD =

−94dB

SIGNAL−TO−NOISE RATIO,

TOTAL HARMONIC DISTORTION,

AND SPURIOUS−FREE DYNAMIC RANGE

vs INPUT SIGNAL AMPLITUDE

−70

−60

−50

−40

−30

−20

−10

0

Input Signal Amplitude, V

110

100

90

80

70

60

50

40

30

20

10

SFDR

THD

SNR

f

SIGNAL−TO−NOISE RATIO

vs INPUT FREQUENCY

0.001

0.01

0.1

1

10

Input Frequency, f

90

85

80

75

70

65

60

V

V

V

TOTAL HARMONIC DISTORTION

vs INPUT FREQUENCY

0.001

0.01

0.1

1

10

Input Frequency, f

−85

−90

−95

−100

−105

−110

V

V

V

SPURIOUS−FREE DYNAMIC RANGE

vs INPUT FREQUENCY

0.001

0.01

0.1

1

10

Input Frequency, f

110

108

106

104

102

100

98

96

94

92

90

V

V

V