ADS6445 datasheet(39/75 Pages) STMICROELECTRONICS

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Fin − Input Frequency − MHz

110 130 150 170 190 210 230

G043

Input adjusted to get −1dBFS input

1 dB

6 dB

2 dB

4 dB

3 dB

5 dB

0 dB

Fin − Input Frequency − MHz

100

120

140

160

180

200

220

G044

2 dB

5 dB

1 dB

0 dB

3 dB

3.5 dB

4 dB

6 dB

AVDD − Supply Voltage − V

3.0

3.1

3.2

3.3

3.4

3.5

3.6

G045

SNR

SFDR

fIN = 50.1 MHz

LVDD = 3.3 V

LVDD − Supply Voltage − V

3.0

3.1

3.2

3.3

3.4

3.5

3.6

G046

fIN = 50.1 MHz

AVDD = 3.3 V

SNR

SFDR

Input Amplitude − dBFS

100

110

−60

−50

−40

−30

−20

−10

fIN = 20 MHz

G048

SFDR (dBc)

SFDR (dBFS)

SNR (dBFS)

T − Temperature −

°C

−40

−20

G047

fIN = 50.1 MHz

SNR

SFDR

ADS6445, ADS6444

ADS6443, ADS6442

SLAS531 – MAY 2007

ADS6443 (F

srated = 80 MSPS) (continued)

SFDR vs INPUT FREQUENCY ACROSS GAINS

SINAD vs INPUT FREQUENCY ACROSS GAINS

Figure 48.

Figure 49.

PERFORMANCE vs AVDD

PERFORMANCE vs LVDD

Figure 50.

Figure 51.

PERFORMANCE vs TEMPERATURE

PERFORMANCE vs INPUT AMPLITUDE

Figure 52.

Figure 53.

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