LA42102 Datasheet, PDF (6/8 Pages) Sanyo Semicon Device – Monolithic Linear IC Audio Output for TV application 10W × 2ch Power Amplifier

LA42102
ICCO – VCC
120
RL = open
Rg = 0Ω
100
80
60
40
20
0
4
8
12
16
18
1.5
7
5
VCC = 14V
RL = 8Ω
Rg = 600Ω
3
Supply voltage, VCC – V
THD – PO (ch1)
2
0.1
7
5
3
2
10kHz
0.1
7
5
3
2
0.01
0.1
0.5
1kHz
100Hz
2 3 5 7 ₁ 2 3 5 7 ₁₀ 2 3 5 7 ₁₀₀
Output power, PO – W
Response – f
0
– 0.5
ch2
ch1
– 1.0
– 1.5
– 2.0
– 2.5
– 3.0
– 3.5 VCC = 14V
RL = 8Ω
– 4.0 Rg = 600Ω
– 4.5 ^{VO = 0dBm (f = 1kHz)}
10 ^{2 3 5 7} 100 ^{2 3 5 7} 1k ^{2 3 5 7} 10k ^{2 3 5 7100k}
Frequency, f – Hz
CHSep. – f
0 _{VCC = 14V}
RL = 8Ω
– 10 Rg = 10kΩ
VO = 0dBm
– 20
– 30
– 40
– 50
– 60
– 70
10
CH2→1
CH1→2
2 3 5 7 ₁₀₀ 2 3 5 7 _1k 2 3 5 7 _10k 2 3 5 7100k
Frequency, f – Hz
PO – VCC
20
THD = 10%
18
RL = 8Ω
Rg = 600Ω
16
f = 1kHz
14
12
10
8
ch1 ^{and ch2 is similar}
6
4
2
0
8
10
12
14
16
18
1.5
7
5
VCC = 14V
RL = 8Ω
Rg = 600Ω
3
Supply voltage, VCC – V
THD – PO (ch2)
2
0.1
7
5
3
2
10kHz
0.1
7
5
1kHz
3
100Hz
2
0.01
0.1 ^{2 3 5 7} 1 ^{2 3 5 7} 10 ^{2 3}
Output power, PO – W
THD – f
10
7
VCC = 14V
5 ^{RL = 8Ω}
Rg = 600Ω
3 _{PO = 1W}
2
5 7 ₁₀₀
0.1
7
5
3
2
0.1
7
5
ch2
3
2
ch1
0.01
10 ^{2 3 5 7} 100 ^{2 3 5 7} 1k ^{2 3 5 7} 10k ^{2 3 5 7100k}
Frequency, f – Hz
VNO – Rg
0.5 _{VCC = 14V}
RL = 8Ω
BPF = 20Hz to 20kHz
0.4
0.3
ch2
ch1
0.2
0.1
0
10 ^{2 3 5 7} 100 ^{2 3 5 7} 1k ^{2 3 5 7} 10k ^{2 3 5 7100k}
Resistance for signal generation, Rg – Ω
No.A0494-6/8