MAX7422CUA datasheet(6/14 Pages) MAXIM

Part #	MAX7422CUA

Description	5th-Order, Lowpass, Switched-Capacitor Filters

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Manufacturer	MAXIM [Maxim Integrated Products]

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6 / 14 page

____________________________Typical Operating Characteristics (continued)

(VDD = +5V for MAX7418–MAX7421, VDD = +3V for MAX7422–MAX7425, fCLK = 2.2MHz, SHDN = VDD, VCOM = VOS = VDD / 2,

TA = +25°C, unless otherwise noted.

5th-Order, Lowpass,

Switched-Capacitor Filters

6

_______________________________________________________________________________________

-90

-60

-70

-80

-50

-40

-30

-20

-10

0

10

040

20

60

80

100

MAX7421/MAX7425

FREQUENCY RESPONSE (ELLIPTIC, r = 1.25)

INPUT FREQUENCY (kHz)

-4.0

-3.0

-3.5

-1.5

-2.0

-2.5

0

-0.5

-1.0

0.5

09.0

4.5

13.5

18.0

22.5

MAX7420/MAX7424

PASSBAND FREQUENCY RESPONSE

(BUTTERWORTH)

INPUT FREQUENCY (kHz)

-1.0

-0.6

-0.8

-0.2

-0.4

0.2

0

0.4

0

9.0

4.5

13.5

18.0

22.5

MAX7418/MAX7422

PASSBAND FREQUENCY RESPONSE

(ELLIPTIC, r = 1.6)

INPUT FREQUENCY (kHz)

-4.0

-3.0

-3.5

-1.5

-2.0

-2.5

0

-0.5

-1.0

0.5

09.0

4.5

13.5

18.0

22.5

MAX7419/MAX7423

PASSBAND FREQUENCY RESPONSE

(BESSEL)

INPUT FREQUENCY (kHz)

-1.0

-0.6

-0.8

-0.2

-0.4

0.2

0

0.4

0

9.0

4.5

13.5

18.0

22.5

MAX7421/MAX7425

PASSBAND FREQUENCY RESPONSE

(ELLIPTIC, r = 1.25)

INPUT FREQUENCY (kHz)

-450

-350

-400

-200

-250

-300

-50

-100

-150

0

08

12

4

16202428

MAX7418/MAX7422

PHASE RESPONSE (ELLIPTIC, r = 1.6)

INPUT FREQUENCY (kHz)

-250

-200

-100

-150

-50

0

08

4

1216202428

MAX7419/MAX7423

PHASE RESPONSE (BESSEL)

INPUT FREQUENCY (kHz)

-350

-250

-300

-150

-200

-50

-100

0

08

12

4

16202428

MAX7420/MAX7424

PHASE RESPONSE (BUTTERWORTH)

INPUT FREQUENCY (kHz)

-450

-350

-400

-200

-250

-300

-50

-100

-150

0

08

12

4

16202428

MAX7424/MAX7425

PHASE RESPONSE (ELLIPTIC, r = 1.25)

INPUT FREQUENCY (kHz)

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