Rainbow Electronics MAX5440 User Manual
Page 13
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MAX5440
Stereo Volume Control
with Rotary Encoder Interface
FULL L
L + 12
L + 6
R + 6
R + 12
FULL R
CENTERED
CW ROTATION (CH1)
CCW ROTATION (CH0)
LED0 ON
LED1 ON
LED2 ON
LED3 ON
LED4 ON
Figure 5. LED Setting in Balance Mode
V
DD
V
SS
= -V
DD
V
LOGIC
V
PEAK
H1
L1
W1
SHDN
LEFT INPUT
RIGHT INPUT
MODEIND
HEADPHONE
DRIVER
L0
H0
W0
V
LOGIC
LEDIND4
LEDIND3
LEDIND0
GND
MUTE
MODE
RENCODEA
RENCODEA
LEDIND1
LEDIND2
ROTARY
ENCODER
MIDBIAS
BIAS
0V
MAX5440
(V
DD +
V
SS
) / 2
Figure 6. Dual-Supply Volume/Balance Control
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