Typical operating characteristics (continued) – Rainbow Electronics MAX7470 User Manual

Page 6

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MAX7469/MAX7470

HDTV Continuously Variable
Anti-Aliasing Filters

6

________________________________________________________________________________________

(AV

DD

= +5V, DV

DD

= 3.3V, R

LOAD

= 150Ω to GND, C

LOAD

= 0 to 20pF to GND, C

IN

= 0.1µF, T

A

= +25°C, unless otherwise noted.)

Typical Operating Characteristics (continued)

400ns/div

MODULATED 12.5T RESPONSE

(1 IRE = 7.14mV)

300mV/div

MAX7469 toc07

300mV/div

DIFFERENTIAL GAIN

MAX7469 toc08

DIFFERENTIAL PHASE (deg)

1

3

2

4

5

6

7

1

3

2

4

5

6

7

0.1

0.2

0

-0.1

-0.2

0.1

0.2

0

-0.1

-0.2

DIFFERENTIAL GAIN (%)

DIFFERENTIAL PHASE

-3dB FREQUENCY

vs. CONTROL CODE

MAX7469 toc09

CODE

MEASURED -3dB FREQUENCY (MHz)

204

153

102

51

6

12

18

24

30

36

0

0

255

-40

-10

-15

-20

-25

-30

-35

0

-5

5

10

0.1

10

1

100

1000

BYPASS-MODE FREQUENCY RESPONSE

MAX7469 toc10

FREQUENCY (MHz)

RESPONSE (dB)

MAX7470

MAX7469

0

4

12

8

16

20

0.1

10

1

100

BYPASS-MODE GROUP DELAY

MAX7469 toc11

FREQUENCY (MHz)

DELAY (ns)

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