beautypg.com

Typical operating characteristics (continued) – Rainbow Electronics MAX1449 User Manual

Page 6

background image

MAX1449

10-Bit, 105Msps, Single +3.3V, Low-Power
ADC with Internal Reference

6

_______________________________________________________________________________________

SINAD (dB)

60

50

1

10

100

SIGNAL-T0-NOISE PLUS DISTORTION

vs. ANALOG INPUT FREQUENCY

52

MAX1449 toc10

ANALOG INPUT FREQUENCY (MHz)

54

56

58

DIFFERENTIAL

SINGLE-ENDED

-8

1

1000

100

10

FULL-POWER INPUT BANDWIDTH vs.

ANALOG INPUT FREQUENCY, SINGLE-ENDED

6

0

-6

4

2

MAX1449 toc11

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dB)

-2

-4

-8

1

1000

100

10

SMALL-SIGNAL INPUT BANDWIDTH vs.

ANALOG INPUT FREQUENCY, SINGLE-ENDED

6

0

-6

4

2

MAX1449 toc12

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dB)

-2

-4

V

IN

= 100mVp-p

50

60

55

70

65

75

80

-12

-6

-9

-3

0

SPURIOUS-FREE DYNAMIC RANGE

vs. INPUT POWER (f

IN

= 19MHz)

MAX1449 toc13

INPUT POWER (dB FS)

SFDR (dBc)

40

45

55

50

60

65

SIGNAL-TO-NOISE RATIO vs.

INPUT POWER (f

IN

= 19MHz)

MAX1449 toc14

INPUT POWER (dB FS)

SNR (dB)

-12

-6

-9

-3

0

-80

-70

-75

-60

-65

-55

-12

-6

-9

-3

0

TOTAL HARMONIC DISTORTION

vs. INPUT POWER (f

IN

= 19MHz)

MAX1449 toc15

INPUT POWER (dB FS)

THD (dBc)

-50

40

45

55

50

60

65

SIGNAL-TO-NOISE + DISTORTION vs.

INPUT POWER (f

IN

= 19MHz)

MAX1449 toc16

INPUT POWER (dB FS)

SINAD (dB)

-12

-6

-9

-3

0

64

68

76

72

80

84

-40

10

-15

35

60

85

SPURIOUS-FREE DYNAMIC RANGE

vs. TEMPERATURE

MAX1449 toc17

TEMPERATURE (

°C)

SFDR (dBc)

f

IN

= 26.1696MHz

50

54

62

58

66

70

-40

10

-15

35

60

85

SIGNAL-TO-NOISE vs. TEMPERATURE

MAX1449 toc18

TEMPERATURE (

°C)

SNR (dB)

f

IN

= 26.1696MHz

Typical Operating Characteristics (continued)

(V

DD

= +3.3V, OV

DD

= +2.0V, internal reference, differential input at -0.5dB FS, f

CLK

= 106.2345MHz, C

L

≈ 10pF, T

A

= +25°C,

unless otherwise noted.)