ADS6445 datasheet(38/75 Pages) STMICROELECTRONICS

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ADS6443 (F

srated = 80 MSPS)

f − Frequency − MHz

−160

−140

−120

−100

−80

−60

−40

−20

G037

SFDR = 91 dBc

SINAD = 74.2 dBFS

SNR = 74.4 dBFS

THD = 88.5 dBc

f − Frequency − MHz

−160

−140

−120

−100

−80

−60

−40

−20

G038

SFDR = 85.7 dBc

SINAD = 73 dBFS

SNR = 73.5 dBFS

THD = 83.9 dBc

f − Frequency − MHz

−160

−140

−120

−100

−80

−60

−40

−20

G039

SFDR = 82 dBc

SINAD = 69.4 dBFS

SNR = 69.7 dBFS

THD = 83.4 dBc

f − Frequency − MHz

−160

−140

−120

−100

−80

−60

−40

−20

G040

fIN1 = 185.1 MHz, –7 dBFS

fIN2 = 190.1 MHz, –7 dBFS

2-Tone IMD = –93 dBFS

SFDR = –98 dBFS

fIN − Input Frequency − MHz

100

150

200

250

G041

Gain = 0 dB

Gain = 3.5 dB

fIN − Input Frequency − MHz

100

150

200

250

G042

Gain = 0 dB

Gain = 3.5 dB

ADS6445, ADS6444

ADS6443, ADS6442

SLAS531 – MAY 2007

FFT for 10 MHz INPUT SIGNAL

FFT for 70 MHz INPUT SIGNAL

Figure 42.

Figure 43.

FFT for 230 MHz INPUT SIGNAL

INTERMODULATION DISTORTION (IMD) vs FREQUENCY

Figure 44.

Figure 45.

SFDR vs INPUT FREQUENCY

SNR vs INPUT FREQUENCY

Figure 46.

Figure 47.

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