ADS6445 datasheet(42/75 Pages) STMICROELECTRONICS

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Fin − Input Frequency − MHz

110 130 150 170 190 210 230

G061

Input adjusted to get −1dBFS input

6 dB

2 dB

4 dB

3 dB

5 dB

0 dB

1 dB

Fin − Input Frequency − MHz

100

120

140

160

180

200

220

G062

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

G063

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

G064

fIN = 50.1 MHz

AVDD = 3.3 V

SNR

SFDR

T − Temperature −

°C

−40

−20

G065

fIN = 50.1 MHz

SNR

SFDR

Input Amplitude − dBFS

100

110

−60

−50

−40

−30

−20

−10

fIN = 20 MHz

G066

SFDR (dBc)

SFDR (dBFS)

SNR (dBFS)

ADS6445, ADS6444

ADS6443, ADS6442

SLAS531 – MAY 2007

ADS6442 (F

srated = 65 MSPS) (continued)

SFDR vs INPUT FREQUENCY ACROSS GAINS

SINAD vs INPUT FREQUENCY ACROSS GAINS

Figure 66.

Figure 67.

PERFORMANCE vs AVDD

PERFORMANCE vs LVDD

Figure 68.

Figure 69.

PERFORMANCE vs TEMPERATURE

PERFORMANCE vs INPUT AMPLITUDE

Figure 70.

Figure 71.

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