la6579h Sanyo Semiconductor Corporation, la6579h Datasheet - Page 6

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

Pin Description
Pin No.
28
27
26
18
17
16
15
14
13
10
11
23
24
4
5
6
7
8
9
V IN 1
V IN 1-B
V IN 1+B
V IN 2G
V IN 2
V IN 3G
V IN 3
V IN 4G
V IN 4
V O 1+
V O 1-
V O 2+
V O 2-
V O 3+
V O 3-
V O 4+
V O 4-
MUTE
V IN 1_SW
Symbol
Input
Output
(CH1)
Output
(CH2 to 4)
MUTE
CH1
Input AMP
changeover
Pin function
Input pin
Set the total gain with
the gain of this input
AMP.
Output pin for channel 1
CH2 to 4 output pins
ON/OFF of
corresponding CH
output
MUTE : H output ON
MUTE : L output OFF
* Output OFF when the
CH1 input OP-AMP
changeover function.
AMP_A or AMP_B is
selected according to
the voltage applied to
V IN 1_SW.
H : V IN _A
L : V IN _B
MUTE pin is open
(similarly to MUTE : L)
Description
LA6579H
S-GND
V IN *+
S-GND
V CC
MUTE
V IN 1_SW
V CC 1
100kΩ
100kΩ
Equivalent circuit
V IN *-
V IN *
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