ADS5500

SBAS303C − DECEMBER 2003 − REVISED MARCH 2004

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12

TYPICAL CHARACTERISTICS

Typical values are at TA = 25°C, AVDD = DRVDD = 3.3V, differential input amplitude = −1dBFS, sampling rate = 125MSPS, and DLL On, unless

otherwise noted.

SPECTRAL PERFORMANCE

(FFT for 2MHz Input Signal)

0

−10

−20

−30

−40

−50

−60

−70

−80

−90

−100

−110

−120

−130

−140

Frequency (MHz)

0

10

2030

4050

60

SFDR = 84.0dBc

SNR = 71.2dBFS

THD = 84.0dBc

SINAD = 71.0dBFS

SPECTRAL PERFORMANCE

(FFT for 15MHz Input Signal)

0

−10

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−70

−80

−90

−100

−110

−120

−130

−140

Frequency (MHz)

0

10

2030

4050

60

SFDR = 84.8dBc

SNR = 71.5dBFS

THD = 83.2dBc

SINAD = 71.2dBFS

SPECTRAL PERFORMANCE

(FFT for 60MHz Input Signal)

0

−10

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−70

−80

−90

−100

−110

−120

−130

−140

Frequency (MHz)

0

10

2030

4050

60

SFDR = 81.0dBc

SNR = 71.2dBFS

THD = 80.2dBc

SINAD = 70.7dBFS

SPECTRAL PERFORMANCE

(FFT for 70MHz Input Signal)

0

−10

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−70

−80

−90

−100

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−120

−130

−140

Frequency (MHz)

0

10

2030

4050

60

SFDR = 85.1dBc

SNR = 71.4dBFS

THD = 83.6dBc

SINAD = 71.1dBFS

SPECTRAL PERFORMANCE

(FFT for 80MHz Input Signal)

0

−10

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−70

−80

−90

−100

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−120

−130

−140

Frequency (MHz)

0

10

2030

4050

60

SFDR = 84.4dBc

SNR = 71.2dBFS

THD = 81.3dBc

SINAD = 70.9dBFS

SPECTRAL PERFORMANCE

(FFT for 100MHz Input Signal)

0

−10

−20

−30

−40

−50

−60

−70

−80

−90

−100

−110

−120

−130

−140

Frequency (MHz)

0

10

2030

4050

60

SFDR = 84.3dBc

SNR = 71.1dBFS

THD = 81.6dBc

SINAD = 70.7dBFS