ADS6445 datasheet(41/75 Pages) STMICROELECTRONICS

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ADS6442 (F

srated = 65 MSPS)

f − Frequency − MHz

−160

−140

−120

−100

−80

−60

−40

−20

G055

SFDR = 92.4 dBc

SINAD = 74.3 dBFS

SNR = 74.5 dBFS

THD = 90 dBc

f − Frequency − MHz

−160

−140

−120

−100

−80

−60

−40

−20

G056

SFDR = 88.8 dBc

SINAD = 73.6 dBFS

SNR = 73.9 dBFS

THD = 86.6 dBc

f − Frequency − MHz

−160

−140

−120

−100

−80

−60

−40

−20

G057

SFDR = 82.1 dBc

SINAD = 69.3 dBFS

SNR = 69.7 dBFS

THD = 81.2 dBc

f − Frequency − MHz

−160

−140

−120

−100

−80

−60

−40

−20

G058

fIN1 = 185.1 MHz, –7 dBFS

fIN2 = 190.1 MHz, –7 dBFS

2-Tone IMD = –96 dBFS

SFDR = –86 dBFS

fIN − Input Frequency − MHz

100

150

200

250

G059

Gain = 0 dB

Gain = 3.5 dB

fIN − Input Frequency − MHz

100

150

200

250

G060

Gain = 0 dB

Gain = 3.5 dB

ADS6445, ADS6444

ADS6443, ADS6442

SLAS531 – MAY 2007

FFT for 10 MHz INPUT SIGNAL

FFT for 50 MHz INPUT SIGNAL

Figure 60.

Figure 61.

FFT for 230 MHz INPUT SIGNAL

INTERMODULATION DISTORTION (IMD) vs FREQUENCY

Figure 62.

Figure 63.

SFDR vs INPUT FREQUENCY

SNR vs INPUT FREQUENCY

Figure 64.

Figure 65.

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