Rainbow Electronics MAX5440 - Manual (Page 13)

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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