la6579h Sanyo Semiconductor Corporation, la6579h Datasheet - Page 5

• Manufacturer Part Number: la6579h
• Description: For Cd-r Four-channel Bridge Btl Driver
• Manufacturer: Sanyo Semiconductor Corporation

MUTE, VREF-SW
Relation of MUTE and VREF-SW
*1
*2
V IN 1_SW and CH1 input OP_AMP
On MUTE
Outline of inputs and outputs
Input OP_AMP to be applied to CH1 only
V IN 1_SW
MUTE
MUTE
Internal reference voltage
MUTE operative for all channels.
Output to be HI impedance with output OFF.
H
H
H
L
L
L
VREF-IN
V IN +
V IN *
V IN -
(2.5V (TYP))
V IN 1-B
CH1
0.5V
CH2
CH1 input OP_AMP
Output AMP
11kΩ
AMP_A
AMP_B
Output
OFF
OFF
ON
ON
11kΩ
CH3
2V
External reference voltage
LA6579H
CH4
V IN 1-A
V IN 1-SW
22kΩ
22kΩ
66kΩ
66kΩ
V O 1+
V O 1-
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