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Typical operating characteristics (continued) – Rainbow Electronics MAX1122 User Manual

Page 6

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MAX1122

1.8V, 10-Bit, 170Msps Analog-to-Digital Converter
with LVDS Outputs for Wideband Applications

6

_______________________________________________________________________________________

-90

-75

-80

-85

-60

-65

-70

-55

-50

-28

-16

-12

-24

-20

-8

-4

0

HD2/HD3 vs. ANALOG INPUT AMPLITUDE

(f

SAMPLE

= 170.0057MHz, f

IN

= 60.0374MHz)

MAX1122 toc10

ANALOG INPUT AMPLITUDE (dBFS)

HD2/HD3 (dBc)

HD2

HD3

SNR vs. f

SAMPLE

(f

IN

= 60.0374MHz, A

IN

= -0.5dBFS)

MAX1122 toc11

f

SAMPLE

(MHz)

SNR (dB)

140

110

80

50

52

51

54

53

56

55

58

57

60

59

50

20

170

SFDR vs. f

SAMPLE

(f

IN

= 60.0374MHz, A

IN

= -0.5dBFS)

MAX1122 toc12

f

SAMPLE

(MHz)

SFDR (dBc)

140

110

80

50

50

60

70

80

90

40

20

170

HD2/HD3 vs. f

SAMPLE

(f

IN

= 60.0374MHz, A

IN

= -0.5dBFS)

MAX1122 toc13

f

SAMPLE

(MHz)

HD2/HD3 (dBc)

140

110

80

50

-92

-84

-76

-68

-60

-100

20

170

HD2

HD3

-100

-80

-90

-60

-70

-40

-50

-30

-10

-20

0

0

20

30

40

10

50

60

70

80

90

TWO-TONE IMD PLOT (8192-POINT

DATA RECORD, COHERENT SAMPLING)

MAX1122 toc14

ANALOG INPUT FREQUENCY (MHz)

AMPLITUDE (dB)

f

SAMPLE

= 170.0057MHz

f

IN1

= 99.0109MHz

f

IN2

= 101.0031MHz

A

IN1

= A

IN2

= -7dBFS

IMD = -79dBc

2f

IN2

- f

IN1

2f

IN1

-

f

IN2

f

IN2

f

IN1

-0.5

-0.3

-0.4

-0.1

-0.2

0.1

0

0.2

0.4

0.3

0.5

256 384

128

0

512 640 768 896 1024

INTEGRAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

MAX1122 toc15

DIGITAL OUTPUT CODE

INL (LSB)

-0.5

-0.3

-0.4

-0.1

-0.2

0.1

0

0.2

0.4

0.3

0.5

256 384

128

512 640 768 896 1024

DIFFERENTIAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

MAX1122 toc16

DIGITAL OUTPUT CODE

DNL (LSB)

2

0

-2

-4

-6

-8

-10

-12

10

100

1000

GAIN BANDWIDTH PLOT

(f

SAMPLE

= 170.0057MHz, A

IN

= -0.5dBFS)

MAX1122 toc17

ANALOG INPUT FREQUENCY (MHz)

GAIN (dB)

SNR vs. TEMPERATURE (f

IN

= 64.9994MHz,

f

SAMPLE

= 169.984MHz, A

IN

= -0.5dBFS)

MAX1122 toc18

TEMPERATURE (°C)

SNR (dB)

60

35

10

-15

52

51

54

53

56

55

58

57

60

59

50

-40

85

Typical Operating Characteristics (continued)

(AV

CC

= OV

CC

= 1.8V, AGND = OGND = 0, f

SAMPLE

= 170.0057MHz, -0.5dBFS; see TOCs for detailed information on test condi-

tions, differential input drive, differential sine-wave clock input drive, 0.1µF capacitor on REFIO, internal reference, digital output pins
differential R

L

= 100Ω, T

A

= +25°C.)