AD6645SLASHPCB datasheet(10/20 Pages) AD

10 / 20 page

REV. 0

AD6645

–10–

FREQUENCY – MHz

010

203040506070

ENCODE = 80MSPS @ AIN = –1dBFS

TEMP = –40 C, +25 C, +85 C

72.0

72.5

73.0

73.5

74.0

74.5

75.0

75.5

T = +25 C

T = +85 C

T = –40 C

TPC 7. Noise vs. Analog Frequency

ANALOG INPUT FREQUENCY – MHz

010

3040506070

ENCODE = 80MSPS @ AIN = –1dBFS

TEMP = –40 C, +25 C, +85 C

T = +25 C

T = –40 C, +85 C

TPC 8. Harmonics vs. Analog Frequency

ANALOG FREQUENCY – MHz

020

100

ENCODE = 80MSPS @ AIN = –1dBFS

TEMP = 25 C

120

140

160

180

200

TPC 9. Noise vs. Analog Frequency (IF)

ANALOG FREQUENCY – MHz

020

100

ENCODE = 80MSPS @ AIN = –1dBFS

TEMP = 25 C

120

140

160

180

200

100

WORST OTHER SPUR

HARMONICS (2ND, 3RD)

TPC 10. Harmonics vs. Analog Frequency (IF)

ANALOG INPUT POWER LEVEL – dBFS

–90

100

110

–80

–70

–60

–50

–40

–30

–20

ENCODE = 80MSPS

AIN = 30.5MHz

dBc

SFDR = 90dB

REFERENCE LINE

120

dBFS

–10

TPC 11. Single Tone SFDR @ 30.5 MHz

ANALOG INPUT POWER LEVEL – dBFS

–90

100

110

–80

–70

–60

–50

–40

–30

–20

ENCODE = 80MSPS

AIN = 69.1MHz

dBc

SFDR = 90dB

REFERENCE LINE

120

dBFS

–10

TPC 12. Single Tone SFDR @ 69.1 MHz

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