6.12 Typical Characteristics: 25MSPS

Typical values at TA = 25°C, ADC sampling rate = 25MSPS, AIN = –1dBFS, differential input, AVDD = IOVDD = 1.8V, internal

1.2V voltage reference, unless otherwise noted.

SNR = 49.8dBFS, SFDR = 63dBc, Non HD23 = 69dBFS

Figure 6-3. Single Tone FFT at FIN = 1MHz

Input Frequency (MHz)

0

5

10

12.5

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

SNR = 49.7dBFS, SFDR = 62dBc, Non HD23 = 70dBFS

Figure 6-4. Single Tone FFT at FIN = 1MHz, Single-ended Input

Input Frequency (MHz)

0

5

10

12.5

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

SNR = 49.7dBFS, SFDR = 64dBc, Non HD23 = 70dBFS

Figure 6-5. Single Tone FFT at FIN = 10MHz

Input Frequency (MHz)

0

5

10

12.5

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

AIN = -7dBFS/tone, IMD3 = -95dBc

Figure 6-6. Two Tone FFT at FIN = 8/10MHz

Input Frequency (MHz)

5

10

15

20

25

30

35

40

49

60

49.2

64

49.4

68

49.6

72

49.8

76

50

80

50.2

84

50.4

88

50.6

92

50.8

96

51

100

SNR

SFDR

Non-HD23

Figure 6-7. AC Performance vs Input Frequency

Input Amplitude (dBFS)

-30

-25

-20

-15

-10

-5

0

49

0

50

10

51

20

52

30

53

40

54

50

55

60

56

70

57

80

58

90

59

100

60

110

SNR

SFDR

Non HD23

FIN = 1MHz

Figure 6-8. AC Performance vs Input Amplitude

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