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

Page 9

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MAX1126

Quad, 12-Bit, 40Msps, 1.8V ADC with

Serial LVDS Outputs

_______________________________________________________________________________________

9

SIGNAL-TO-NOISE RATIO

vs. ANALOG INPUT POWER

ANALOG INPUT POWER (dBFS)

SNR (dB)

-5

-10

-25

-20

-15

37

42

52

57

47

62

67

72

32

-30

0

MAX1126 toc12

f

IN

= 5.301935MHz

SIGNAL-TO-NOISE PLUS DISTORTION

vs. ANALOG INPUT POWER

ANALOG INPUT POWER (dBFS)

SINAD (dB)

-5

-10

-25

-20

-15

37

42

52

57

47

62

MAX1126 toc13

67

72

32

-30

0

f

IN

= 5.301935MHz

TOTAL HARMONIC DISTORTION

vs. ANALOG INPUT POWER

ANALOG INPUT POWER (dBFS)

THD (dBc)

-5

-10

-25

-20

-15

-90

-95

-85

-75

-70

-80

-65

-60

-55

-100

-30

0

MAX1126 toc14

f

IN

= 5.301935MHz

SPURIOUS-FREE DYNAMIC RANGE

vs. ANALOG INPUT POWER

ANALOG INPUT POWER (dBFS)

SFDR (dBc)

-5

-10

-25

-20

-15

65

60

70

80

85

75

90

95

100

55

-30

0

MAX1126 toc15

f

IN

= 5.301935MHz

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.)