LA4425A_10 Datasheet, PDF (5/9 Pages) Sanyo Semicon Device – For Car Radio and Car Stereo 5W Power Amplifier with Very Few External Parts

LA4425A
THD -- VCC
5
RL=4Ω
3
f=1kHz
VO=2V(PO=1W)
2
Rg=600Ω
1.0
7
5
3
2
0.1
7
56
8
10
12
14
16
18
20
Supply voltage, VCC -- V
700
RL=4Ω
f=1kHz
600 _Rg=600Ω
ICC, Pd -- PO
7
ICC
6
500
5
VCC=16V
400
4
300
VCC=13.2V ³
200
2
100
1
12 _f=1kHz
Rg=600Ω
10 ^THD=10%
8
PO -- VCC
RL=2Ω
RL=4Ω
6
4
2
08
10
1200 _RL=2Ω
f=1kHz
1000 ^Rg=600Ω
12
14
16
Supply voltage, VCC -- V
ICC, Pd -- PO
18
20
ICC
10
800
8
VCC=16V
600
6
400
4
VCC=13.2V
200
2
07 _0.1
23
5 7 _1.0
23
Output power, PO -- W
VNO -- Rg
1.0
VCC=13.2V
0.9 RL=4Ω
BPF=20Hz to 20kHz
0.8 _{Rg=0→0.12mV}
0.7
5
7
0
10
0.6
0.5
0.4
0.3
0.2
0.1
0
7 _1k
50
2 3 5 7 _10k
2 3 5 7 _100k
2
Signal source resistance, Rg -- Ω
SVRR -- VR
07 _0.1
2 3 5 7 _1.0
2 3 5 7 ₁₀
20
Output power, PO -- W
SVRR -- VCC
50
40
30
20
RL=4Ω
10
VR=0dBm
fR=100Hz
Rg=0
BPF=20Hz to 20kHz
08 _{9 10 11 12 13 14 15 16 17 18 19}
Supply voltage, VCC -- V
SVRR -- fR
50
40
40
30
30
20
VCC=13.2V
10
RL=4Ω
fR=100Hz
Rg=0
BPF=20Hz to 20kHz
00
200
400
600
800
1000
1200
Power supply ripple, VR -- mVrms
20
VCC=13.2V
10
RL=4Ω
Rg=0
VR=0dBm
BPF=20Hz to 20kHz
00
5 7 ₁₀₀
23
5 7 _1k
2
Ripple frequency, fR -- Hz
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