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LA4598 Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part # LA4598
Description  Two-channel Power Amplifier for Radio Cassette Players (No Heat Sink Needed during 9 V Operation)
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA4598 Datasheet(HTML) 2 Page - Sanyo Semicon Device

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Operating Conditions at Ta=25 °C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
9V
Recommended load resistance
RL
3.2
Operating voltage range
VCC op
4.2 to 16.0
V
Operating Characteristics at Ta=25 °C, VCC =9 V,f=1 kHz, Rg = 600 Ω,RL = 3.2 Ω
Parameter
Symbol
Conditions
min
typ
max
unit
Quiescent current
ICCO
10
20
40
mA
Voltage gain
VG
47
49
51
dB
Output power
PO1
THD = 10%
2.2
2.9
W
PO2
THD = 10%, RL =4 Ω
2.3
W
Total harmonic distortion
THD
VO = 2 V
0.3
1.0
%
Input resistance
ri
20
30
k
Output noise voltage
VNO1
Rg = 0, B.P.F = 20 Hz to 20 kHz
0.4
1.0
mV
VNO2
Rg=10k
Ω, B.P.F = 20 Hz to 20 kHz
0.6
2.0
mV
Ripple rejection ratio
Rr
Rg = 0, fr = 100 Hz, VCCr = 150 mV
40
50
dB
Channel separation
CH Sep
Rg = 10 k
Ω,VO =0dB
45
55
dB
Standby current
Isd
10
µA
Block Diagram
Sample Print Pattern
Unit (resistance:
Ω, capacitance: F)
Copper-foiled side 85
× 90 mm2
Input
amplifier
Predrive
amplifier
Power
amplifier
Bias circuit
Thermal shutdown
protector
Standby switch
Input
amplifier
Predrive
amplifier
Power
amplifier
ch1 Input
ch1 NF
Pre GND
D.C
ch2 Input
ch2 NF
ch1 BS
ch1 output
Power GND
VCC
Standby
ch2 output
ch2 BS
LA4598
No.4087-2/9


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