la6579h Sanyo Semiconductor Corporation, la6579h Datasheet - Page 4

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

Pin Functions
Note : The center frame (FR) becomes GND (P-GND) for the power system. Keep this at the minimum potential together with the signal GND (S-GND).
Pin No.
Short-circuit V CC _S (signal system power supply), V CC P1, and V CC P2 (output stage power supply) externally.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
V IN 1_SW
3.3VREG
VREFIN
V IN 1+A
V CC P1
V CC P2
S_GND
V IN 1+B
Symbol
V IN 1-A
REGIN
V IN 1-B
V IN 4G
V IN 3G
V IN 2G
V CC S
MUTE
V O 1+
V O 2+
V O 3+
V O 4+
V O 1-
V O 2-
V O 3-
V O 4-
V IN 4
V IN 3
V IN 2
V IN 1
CH1 input AMP_A inverted input
CH1 input AMP_A non-inverted input
CH1 and CH2 power stage power supply
Output pin (+) for channel 1
CH1 Output pin (-) for channel 1
Output pin (+) for channel 2
Output pin (-) for channel 2
Output pin (+) for channel 3
Output pin (-) for channel 3
Output pin (+) for channel 4
Output pin (-) for channel 4
CH3 and CH4 power stage power supply
Input pin for channel 4
Input pin for channel 4 (for gain adjustment)
Input pin for channel 3
Input pin for channel 3 (for gain adjustment)
Input pin for channel 2
Input pin for channel 2 (for gain adjustment)
External PNP transistor, base connection
3.3VREG output pin, external PNP transistor, collector connection
Signal system GND
Reference voltage application pin
Output ON/OFF pin
CH1 input OP_AMP changeover pin
Signal system GND
CH1 AMP_B non-inverted input pin
CH1 AMP_B inverted input pin
CH1 input pin, input OP_AMP output pin
LA6579H
Pin descriptions
No.A0600-4/8