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Typical operating characteristics (continued) – Rainbow Electronics MAX1127 User Manual

Page 10

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MAX1127

Quad, 12-Bit, 65Msps, 1.8V ADC with
Serial LVDS Outputs

10

______________________________________________________________________________________

SIGNAL-TO-NOISE RATIO

vs. SAMPLING RATE

f

CLK

(MHz)

SNR (dB)

55

25

35

45

60

30

40

50

65

64

63

66

68

69

67

70

71

72

62

20

65

MAX1127 toc16

f

IN

= 5.301935MHz

SIGNAL-TO-NOISE + DISTORTION

vs. SAMPLING RATE

f

CLK

(MHz)

SINAD (dB)

55

25

35

45

60

30

40

50

65

64

63

66

68

69

67

70

71

72

62

20

65

MAX1127 toc17

f

IN

= 5.301935MHz

TOTAL HARMONIC DISTORTION

vs. SAMPLING RATE

f

CLK

(MHz)

THD (dBc)

55

25

35

45

60

30

40

50

-95

-90

-100

-85

-80

-75

-105

20

65

MAX1127 toc18

f

IN

= 5.301935MHz

SPURIOUS-FREE DYNAMIC RANGE

vs. SAMPLING RATE

f

CLK

(MHz)

SFDR (dBc)

55

25

35

45

60

30

40

50

MAX1127 toc19

85

90

80

95

100

105

75

20

65

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

= 65MHz (50% duty cycle), DT = low, C

LOAD

= 10pF, T

A

= +25°C, unless otherwise noted.)