Stereo Volume Control

with Rotary Encoder Interface

4

_______________________________________________________________________________________

Typical Operating Characteristics

-70

-60

-40

-50

-20

-10

-30

0

08

12

416

20242832

ATTENUATION vs. TAP POSITION

TAP POSITION

-0.25

-0.15

-0.20

-0.05

-0.10

0.05

0

0.10

-40

10

-15

35

60

85

END-TO-END RESISTANCE % CHANGE

vs. TEMPERATURE

TEMPERATURE (

°C)

1.38

1.41

1.40

1.39

1.42

1.43

1.44

1.45

1.46

1.47

1.48

-40

10

-15

35

60

85

TOTAL SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

WIPER

TRANSITION

FROM -2dB

TO -4dB

20ms/div

WIPER SWITCHING TRANSIENT

MAX5440 toc04

RENCODEA

RENCODEB

51ms

0

20

10

40

30

60

50

70

90

80

100

08

12

416

20242832

WIPER-TO-END TERMINAL VOLTAGE

vs. TAP POSITION

TAP POSITION

-2.8

-2.0

-2.4

-0.4

-0.8

-1.2

-1.6

0.8

0.4

0

0.01

1

0.1

10

100

1000

FREQUENCY RESPONSE

FREQUENCY (kHz)

W_ SET TO 0dB

-8.8

-8.0

-8.4

-6.4

-6.8

-7.6

-7.2

-5.6

-6.0

-5.2

0.01

1

0.1

10

100

1000

FREQUENCY RESPONSE

FREQUENCY (kHz)

W_ SET TO -6dB

0.001

0.01

0.1

0.001

0.1

0.01

1

10

100

THD+N vs. FREQUENCY

FREQUENCY (kHz)

W_ SET AT -2dB

W_ SET AT -6dB

W_ SET AT 0dB

0.001

0.01

0.1

0.001

0.1

0.01

1

10

100

THD+N vs. FREQUENCY

FREQUENCY (kHz)

W_ SET AT -2dB

W_ SET AT -6dB

W_ SET AT 0dB