Advertisement
Power Amplifier
Power Amplifier
LA47510
LA47510
Overview
The LA47510 is a four-channel BTL power amplifier IC designed for use in car stereo systems.
Functions
Maximum output: 50 W
4 (VCC = 14.4 V, RL = 4 )
Offset detection function
Offset detection function off switch
Muting function
Standby switch
Built-in each protection circuit
Output pin-to-Vcc short
Output pin-to-GND short
Load short
Overvoltage
Thermal shutdown
Package: HZIP25
Block Diagram
+
11
IN 1
0.22 F
Offset
+5V 10k
Detect
Circuit
25
OFFSET DET
+
12
IN 2
0.22 F
Stand by
4
ST BY
Switch
+5V
ST ON
Ripple
10
R.F
+
Filter
47 F
+
IN 3
15
0.22 F
OFFSET DET
OFF S.W
1
GND
OFFSET DET
OFF
PRE GND
13
+
14
IN 4
0.22 F
Muting &
ON TIME C
16
ON Time Control
+
Circuit
22 F
47 Car Audio
+
V CC 3/4 2200 F
0.022 F
V CC 1/2
6
20
OUT1+
+
+
9
OUT1-
-
7
-
PWR GND1
Protective
8
circuit
OUT2+
+
-
5
OUT2-
+
3
-
PWR GND2
2
Aux
circuit
Mute 10k
Mute
22
circuit
+
3.3 F
Low Level
OUT3+
Mute ON
+
17
+
OUT3-
-
19
-
PWR GND3
Protective
8
circuit
OUT4+
+
-
21
OUT4-
+
23
-
PWR GND4
24
Power Amplifier
Power Amplifier
LA47536
LA47536
Overview
The LA47536 is a four-channel BTL power amplifier IC designed for use in car stereo systems.
Functions
Maximum output: 45 W
4 (VCC = 14.4 V, RL = 4 )
Offset detection function
Offset detection function off switch
Muting function
Standby switch
Built-in each protection circuit
Output pin-to-Vcc short
Output pin-to-GND short
Load short
Overvoltage
Thermal shutdown
Package: HZIP25
Block Diagram
+
11
IN 1
0.22 F
Offset
Detect
+5V 10k
Circuit
25
OFFSET DET
+
12
IN 2
0.22 F
Stand by
4
ST BY
Switch
+5V
ST ON
Ripple
10
R.F
+
Filter
47 F
+
15
IN 3
0.22 F
OFFSET DET
OFF S.W
1
GND
OFFSET DET
OFF
PRE GND
13
+
14
IN 4
0.22 F
Muting &
ON TIME C
16
ON Time Control
+
Circuit
22 F
+
V CC 3/4 2200 F
0.022 F
V CC 1/2
6
20
OUT1+
+
+
9
OUT1-
-
7
-
PWR GND1
Protective
8
circuit
OUT2+
+
-
5
OUT2-
+
3
-
PWR GND2
2
Aux
circuit
Mute 10k
Mute
22
circuit
+
3.3 F
Low Level
OUT3+
Mute ON
+
17
+
OUT3-
-
19
-
PWR GND3
Protective
8
circuit
OUT4+
+
-
21
OUT4-
+
23
-
PWR GND4
24
48 Car Audio
Advertisement
