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Typical operating characteristics (continued) – Rainbow Electronics MAX1126 User Manual

Page 8

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MAX1126

Quad, 12-Bit, 40Msps, 1.8V ADC with
Serial LVDS Outputs

8

_______________________________________________________________________________________

SIGNAL-TO-NOISE RATIO

vs. ANALOG INPUT FREQUENCY

f

IN

(MHz)

SNR (dB)

100

80

20

40

60

MAX1126 toc08

0

120

62

64

66

68

70

72

60

SIGNAL-TO-NOISE PLUS DISTORTION

vs. ANALOG INPUT FREQUENCY

f

IN

(MHz)

SINAD (dB)

100

80

20

40

60

MAX1126 toc09

0

120

62

64

66

68

70

72

60

TOTAL HARMONIC DISTORTION

vs. ANALOG INPUT FREQUENCY

f

IN

(MHz)

THD (dBc)

100

80

20

40

60

-95

-90

-85

-75

-70

-80

-65

-60

MAX1126 toc10

-55

-100

0

120

SPURIOUS-FREE DYNAMIC RANGE

vs. ANALOG INPUT FREQUENCY

f

IN

(MHz)

SFDR (dBc)

100

80

20

40

60

60

65

70

80

85

75

90

95

MAX1126 toc11

100

55

0

120

Typical Operating Characteristics (continued)

(AV

DD

= 1.8V, OV

DD

= 1.8V, CV

DD

= 1.8V, GND = 0, external V

REFIO

= 1.24V, INTREF = AV

DD

, differential input at -0.5dBFS,

f

CLK

= 40MHz (50% duty cycle), DT = low, C

LOAD

= 10pF, T

A

= +25°C, unless otherwise noted.)