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LA4905 Datasheet(Fiches technique) 2 Page - Sanyo Semicon Device

Numéro de pièce LA4905
Description  17-W, 2-Channel BTL AF High-Efficiency Power Amplifier for Car Stereo Systems
Télécharger  10 Pages
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Fabricant  SANYO [Sanyo Semicon Device]
Site Internet  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA4905 Datasheet(HTML) 2 Page - Sanyo Semicon Device

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No. 5504-2/10
LA4905
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
13.2
V
Allowable operating supply voltage range
VCC op
8 to 18
V
Recommended load resistance
RL
4
Recommended load resistance range
RL op
2 to 4
Operating Conditions at Ta = 25°C
Operating Characteristics at Ta = 25°C, VCC = 13.2 V, RL = 4 Ω, f = 1 kHz, Rg = 600 Ω, in the recommended circuit
Notes:Set VCC and RL in the range where Pd max does not exceed 37.5 W.
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
Icco
RL = ∞, VIN = 0
80
110
150
mA
Standby current
Ist
0
10
µA
Voltage gain
VG
VO = 0 dBm
38
40
42
dB
Total harmonic distortion
THD
PO = 1W, LPF = 30 kHz
0.07
0.2
%
Output power 1
PO1
THD = 10%, RL = 4 Ω
14
17
W
PO2
THD = 10%, RL = 2 Ω
25
W
Output noise voltage
VNO
Rg = 0, BPF = 20 Hz to 20 kHz
0.15
0.3
mVrms
Ripple rejection ratio
SVRR
Rg = 0, VCCR = 0 dBm, BPF = 20 Hz to 20 kHz
60
70
dB
Channel separation
CHsep
Rg = 10 k
Ω, V
O = 0 dBm, BPF = 20 Hz to 20 kHz
45
55
dB
Input resistance
Ri
21
30
39
k
Output offset voltage
VN offset
Rg = 0
–300
+300
mV
Standby on voltage
VSTH
AMP = on, applied through a 10 k
Ω resistor
3
VCC
V


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