LA4708N Datasheet, PDF (6/9 Pages) Sanyo Semicon Device – Monolithic Linear IC For Car Stereos 20W 2-channel BTL AF Power Amplifier

LA4708N
ICCO -- VCC
200
RL = Open
180
Rg = 0
VST = 5V
160
140
120
100
80
60
40
20
00
4
8
12
16
20
Supply voltage, VCC -- V
48
f = 1kHz
PO -- VCC
44 _{Rg = 600Ω}
40 ^{THD = 10%}
Dual channel drive
36
32
28
24
20
= ^2Ω
RL
= ^4Ω
16
RL
12
8
46
8
10
12
14
16
Supply voltage, VCC -- V
5
3
2
VCC = 13.2V
RL = 4Ω
Rg = 600Ω
THD -- PO
10 _{Dual channel drive}
7
5
3
2
1.0
7
5
3
2
0.1
7
5
3
0.1
23 5
5
VCC = 13.2V
3 RL = 4Ω
2 ^{Rg = 600Ω}
PO = 2W
f = _10kHz
100Hz
1kHz
7 _1.0 2 3 5 7 ₁₀
Output power, PO -- W
THD -- f
1.0
7
5
3
2
24
28
JK470806
18
20
JK470808
23 5
JK470810
0.1
7
5
3
10
23
5 7 ₁₀₀ 2 3 5 7 _1k
2 3 5 7 _10k 2 3 5 7100k
Input frequency, f -- Hz
JK470812
5 _{RL = 4Ω}
3 _{f = 1kHz}
2 _{Rg = 600Ω}
10
7
VG = 40dB
Dual channel
drive
5
3
2
PO -- VIN
V
CC ⁼
14.4V
VCC
=
13.2V
1.0
7
5
3
2
0.1
7
53
5 7 ₁₀
2 3 5 7 ₁₀₀
Input level, VIN -- mVrms
60
f = 1kHz
PO -- VCC
Rg = 600Ω
50 ^{THD = 30%}
Dual channel drive
23 5
JK470807
40
30
= ^4Ω
RL
20
10
06
8
10
12
14
16
Supply voltage, VCC -- V
3
2
VCC = 13.2V
RL = 2Ω
THD -- PO
10 ^{Rg = 600Ω}
7 ^{Dual channel drive}
5
3
2
18
20
JK470809
1.0
7
5
f = _10kHz
3
2
100Hz
0.1
7
1kHz
5
0.1 ^{2 3 5 7} 1.0 ^{2 3 5 7} 10
Output power, PO -- W
4
VCC = 13.2V
RL = 4Ω
2 _{Rg = 600Ω}
f Response
VO = 0dBm at f = 1kHz
0
2 3 57
JK470811
-2
-4
-6
-8
-10
10
2 3 5 7 ₁₀₀ 2 3 5 7 _1k
2 3 5 7 _10k 2 3 5 7100k
Input frequency, f -- Hz
JK470813
No. A1783-6/9