ADS6445 datasheet(36/75 Pages) STMICROELECTRONICS

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Fin − Input Frequency − MHz

110 130 150 170 190 210 230

G025

Input adjusted to get −1dBFS input

1 dB

6 dB

0 dB

2 dB

4 dB

3 dB

5 dB

Fin − Input Frequency − MHz

100

120

140

160

180

200

220

G026

2 dB

5 dB

1 dB

0 dB

3 dB

3.5 dB

4 dB

6 dB

LVDD − Supply Voltage − V

3.0

3.1

3.2

3.3

3.4

3.5

3.6

G028

fIN = 70.1 MHz

AVDD = 3.3 V

SNR

SFDR

AVDD − Supply Voltage − V

3.0

3.1

3.2

3.3

3.4

3.5

3.6

G027

SNR

SFDR

fIN = 70.1 MHz

LVDD = 3.3 V

T − Temperature −

°C

−40

−20

G029

fIN = 70.1 MHz

SNR

SFDR

Input Amplitude − dBFS

100

110

−60

−50

−40

−30

−20

−10

fIN = 20 MHz

G030

SFDR (dBc)

SFDR (dBFS)

SNR (dBFS)

ADS6445, ADS6444

ADS6443, ADS6442

SLAS531 – MAY 2007

ADS6444 (F

srated = 105 MSPS) (continued)

SFDR vs INPUT FREQUENCY ACROSS GAINS

SINAD vs INPUT FREQUENCY ACROSS GAINS

Figure 30.

Figure 31.

PERFORMANCE vs AVDD

PERFORMANCE vs LVDD

Figure 32.

Figure 33.

PERFORMANCE vs TEMPERATURE

PERFORMANCE vs INPUT AMPLITUDE

Figure 34.

Figure 35.

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