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LA4708 Datasheet(Fiches technique) 2 Page - Sanyo Semicon Device

Numéro de pièce LA4708
Description  20 W 2-channel BTL AF Power Amplifier for Car Stereos
Télécharger  9 Pages
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Fabricant  SANYO [Sanyo Semicon Device]
Site Internet  https://www.sanyo-av.com/us/
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LA4708 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
13.2
V
Operating voltage range
VCC op
Range where Pd max is not exceeded
9 to 16
V
Recommended load resistance
RL
4
Recommended load resistance range
RL op
2to4
Operating Characteristics at Ta = 25°C, VCC = 13.2 V, RL =4 Ω,f=1 kHz, Rg = 600 Ω
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
ICCO
70
150
250
mA
Standby current
Ist
10
60
µA
Voltage gain
VG
38
40
42
dB
Total harmonic distortion
THD
PO = 2 W
0.07
0.4
%
Output power
PO1
THD = 10%
16
20
W
PO2
THD = 10%, VCC = 14.4 V
24
W
PO3
THD = 10%, RL =2 Ω
30
W
Output offset voltage
VN offset
Rg = 0
–300
+300
mV
Output noise voltage
VNO
Rg = 0, B.P.F. = 20 Hz to 20 kHz
0.1
0.5 mVrms
Ripple rejection ratio
SVRR
Rg = 0, fR = 100 Hz, VR = 0 dBm
40
50
dB
Channel separation
CHsep
Rg = 10 k
Ω,VO = 0 dBm
50
60
dB
Input resistance
ri
21
30
39
k
Standby pin applied voltage
Vst
Amp on, applied through 10 k
2.5
VCC
V
Arbitrarily large heat sink
Ambient temperature, Ta — °C
Al heat sink, t = 1.5 mm
Tightening torque 39 Nccm
With silicone grease applied
Heat sink area, Sf —cm
2
LA4708
No.5245 -2/9


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