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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/
Logo SANYO - Sanyo Semicon Device

LA4708 Datasheet(HTML) 2 Page - Sanyo Semicon Device

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Operating Conditions at Ta = 25C
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 = 25C, VCC = 13.2 V, RL =4 ?,f=1 kHz, Rg = 600 ?
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
ICCO
70
150
250
mA
Standby current
Ist
10
60
A
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 ?
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
?,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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