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

Page 7

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MAX1449

10-Bit, 105Msps, Single +3.3V, Low-Power

ADC with Internal Reference

_______________________________________________________________________________________

7

-80

-76

-68

-72

-64

-60

-40

10

-15

35

60

85

TOTAL HARMONIC DISTORTION

vs. TEMPERATURE

MAX1449 toc19

TEMPERATURE (

°C)

THD (dBc)

f

IN

= 26.1696MHz

50

54

62

58

66

70

-40

10

-15

35

60

85

SIGNAL-TO-NOISE + DISTORTION

vs. TEMPERATURE

MAX1449 toc20

TEMPERATURE (

°C)

SINAD (dB)

f

IN

= 26.1696MHz

-0.4

-0.2

-0.3

0.1

0

-0.1

0.4

0.3

0.2

0.5

0

400

200

600

800

1000

1200

INTEGRAL NONLINEARITY vs.

DIGITAL OUTPUT CODE (BEST STRAIGHT LINE)

MAX1449 toc21

DIGITAL OUTPUT CODE

INL (LSB)

-0.4

-0.2

-0.3

0.1

0

-0.1

0.4

0.3

0.2

0.5

0

400

200

600

800

1000

1200

DIFFERENTIAL NONLINEARITY vs.

DIGITAL OUTPUT CODE

MAX1449 toc22

DIGITAL OUTPUT CODE

DNL (LSB)

0

0.02

0.06

0.04

0.08

0.10

-40

10

-15

35

60

85

GAIN ERROR vs. TEMPERATURE,

EXTERNAL REFERENCE, V

REFIN

= +2.048V

MAX1449 toc23

TEMPERATURE (

°C)

GAIN ERROR (LSB)

-2

0

-1

2

1

3

4

-40

10

-15

35

60

85

OFFSET ERROR vs. TEMPERATURE,

EXTERNAL REFERENCE, V

REFIN

= +2.048V

MAX1449 toc24

TEMPERATURE (

°C)

OFFSET ERROR (LSB)

40

50

45

60

55

65

70

-40

10

-15

35

60

85

ANALOG SUPPLY CURRENT

vs. TEMPERATURE

MAX1449 toc26

TEMPERATURE (

°C)

I

VDD

(mA)

0

3

9

6

12

15

-40

10

-15

35

60

85

DIGITAL SUPPLY CURRENT

vs. TEMPERATURE

MAX1449 toc27

TEMPERATURE (

°C)

I

OVDD

(mA)

51

55

53

59

57

61

63

2.70

3.00

3.15

2.85

3.30

3.45

3.60

ANALOG SUPPLY CURRENT

vs. ANALOG SUPPLY VOLTAGE

MAX1449 toc25

V

DD

(V)

I

VDD

(mA)

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.)