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LA4525 Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part # LA4525
Description  Dual AF Power Amplifier for Radio Cassette Recorders
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA4525 Datasheet(HTML) 2 Page - Sanyo Semicon Device

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Operating Characteristics at V
CC = 6 V, Ta =25°C, RL =4 Ω,f=1 kHz, Rg = 600 Ω,
Dual operation unless otherwise noted
Parameter
Symbol
Condition
min
typ
max
Unit
Quiescent supply current
ICCO
Rg=0
10
15
30
mA
Output power
PO1
THD = 10%
0.45
0.65
W
PO2VCC =9V,RL =8 Ω, THD = 10%
1.0
W
Voltage gain
VG
VO = 0 dBm
38
40
42
dB
Total harmonic distortion
THD
PO = 0.1 W
0.2
0.7
%
Output noise voltage
VNO
Rg=0
Ω, DIN AUDIO filter
100
400
µV
Supply voltage ripple rejection
SVRR
Rg = 0
Ω,fR = 100 Hz, VR = 0 dBm
35
43
dB
Channel separation
CH Sep
VO = 0 dBm, Rg =0 Ω
45
55
dB
Input resistance
Ri
70
100
130
k
Equivalent Block Diagram
Pin Description
Number
Name
Description
1
OUT1
Channel 1 output
2VCC
Supply voltage
3
OUT2
Channel 2 output
4
POWER GND
Power amplifier ground
5
BTL IN
Bridge test load input
6
IN2
Channel 2 input
7
IN1
Channel 1 input
8
PRE GND
Preamplifier ground
IN2
BTL IN
PRE GND
IN1
OUT2
POWER GND
OUT1
Ch2
input
amp.
Ch1
input
amp.
Pre-
driver
amp.
Pre-
driver
amp.
Output
amp.
Output
amp.
LA4525
No.4022-2/8


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