Stereo Volume Control

with Rotary Encoder Interface

-75

-65

-70

-45

-50

-55

-60

-35

-40

-25

-30

0.01

1

0.1

10

100

POWER-SUPPLY REJECTION RATIO

vs. FREQUENCY

FREQUENCY (kHz)

0

100

50

200

150

250

300

LOGIC SUPPLY CURRENT

vs. LOGIC SUPPLY VOLTAGE

LOGIC SUPPLY VOLTAGE (V)

2.5

3.5

4.0

3.0

4.5

5.0

5.5

ACTIVE CURRENT

STANDBY CURRENT

SHUTDOWN

0

100

50

200

150

300

250

350

-40

10

-15

35

60

85

ACTIVE LOGIC SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (°C)

RENCODEA = RENCODEB = 0

1.1752

1.1756

1.1754

1.1762

1.1760

1.1758

1.1768

1.1766

1.1764

1.1770

-40

10

-15

356085

ACTIVE SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (°C)

RENCODEA = RENCODEB = 0

10

100

1000

0 0.5

2.0 2.5

1.0 1.5

3.0 3.5 4.0 4.5 5.0

DIGITAL SUPPLY CURRENT

vs. DIGITAL INPUT VOLTAGE

DIGITAL INPUT VOLTAGE (V)

200

0

400

800

600

1000

1200

0.01

1

0.1

10

100

SPECTRAL NOISE DENSITY

FREQUENCY (kHz)

0

1

2

3

4

5

6

7

8

2.5

3.0

3.5

4.0

4.5

5.0

SUPPLY CURRENT

vs. INPUT VOLTAGE SWEEP

Typical Operating Characteristics (continued)

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5