Dual Log Audio Digital Potentiometer

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5

POTENTIOMETER 1 (CONFIGURATON 2)

ATTENUATION vs. SETTING

SETTING (DEC)

30

24

18

12

6

-80.0

-60.0

-40.0

-20.0

0

-100.0

033

27

21

15

9

3

END-TO-END RESISTANCE PERCENT

CHANGE FROM +25

°C vs. TEMPERATURE

TEMPERATURE (

°C)

-40

-20

0

20406080

-5.0

-4.5

-4.0

-3.5

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

POTENTIOMETER 1

POTENTIOMETER 0

RESISTANCE vs. POWER-UP VOLTAGE

POWER-UP VOLTAGE (V)

5

4

3

2

1

20

40

60

80

100

0

0

PROGRAMMED

RESISTANCE (6dBh)

MUTE

HIGH IMPEDANCE

RESISTANCE

vs. POWER-DOWN VOLTAGE

POWER-DOWN VOLTAGE (V)

5

4

3

2

1

20

40

60

80

100

0

0

PROGRAMMED

RESISTANCE (6dBh)

MUTE

HIGH IMPEDANCE

TIME (ms)

100

200

300

400

500

600

700

800

900

1000

0

ZERO-CROSSING

TIMEOUT OR ZERO-

CROSSING EVENT

ZERO-CROSSING

DETECTION

ACTIVATED

TYPICAL

TIMEOUT

OF 50ms

CROSSTALK vs. FREQUENCY (-6dB)

FREQUENCY (kHz)

-160

-140

-120

-100

-80

-60

-40

-20

0

0.01

0.10

1.00

10.00

100.00

Typical Operating Characteristics (continued)

THD+N vs. FREQUENCY (0dB)

FREQUENCY (kHz)

10.00

1.00

0.10

0.0002

0.0004

0.0006

0.0008

0.0010

0.0012

0.0014

0.0016

0.0018

0

0.01

100.00