LA4708N 查看數據表（PDF） - SANYO -> Panasonic
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LA4708N Datasheet PDF : 9 Pages
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LA4708N
PO -- f
24
22
THD = 10%
20
18
3%
16
1%
14 VCC = 13.2V
RL = 4Ω
12 Rg = 600Ω
VG = 40dB
Dual channel drive
10
10
2 3 5 7 100 2 3 5 7 1k
2 3 5 710k
Input frequency, f -- Hz
1.0
VCC = 13.2V
7 RL = 4Ω
5 DIN AUDIO
VNO -- Rg
2 3 57
JK470814
3
2
0.1
7
5
3
22 3
20
0
5 7 1k 2 3 5 7 10k 2 3 5 7 100k 2
Input resistance, Rg -- Ω
JK470816
SVRR -- fR
VCC = 13.2V
RL = 4Ω
Rg = 0
VCCR = 0dBm
-20
-40
OUT2
-60
OUT1
-80
The value of power supply capacitor is 0.47μF (Mylar)
-100
10
2 3 5 7 100 2 3 5 7 1k
2 3 5 7 10k 2 3 5 7100k
Ripple frequency, fR -- Hz
JK470818
2 RL = 4Ω
Pd, ICC -- PO
2
Rg = 600Ω
100 f = 1kHz
7 Dual channel drive
5
3
10
= 16V) 7
(V CC
5
I CC
3
2
10
7
Pd (V CC= 16V)
Pd (VCC = 13.2V)
2
1.0
7
5
5
3
27 0.1
2 3 5 7 1.0 2 3 5 7 10
Output power, PO -- W
3
2 3 5 72
JK470820
CH Sep -- f
20
VCC = 13.2V
RL = 4Ω
0
Rg = 10kΩ
VO = 0dBm
-20
-40
-60
CH1 CH2
CH2 CH1
-80
-100
10
2 3 5 7 100 2 3 5 7 1k
2 3 5 710k 2 3 5 7100k
Input frequency, f -- Hz
JK470815
SVRR -- VCC
0
RL = 4Ω
Rg = 0
fR = 100Hz
-20
VCCR = 0dBm
-40
OUT1
-60
OUT2
-80
2200μF (power supply capacitor)
is changed to 0.47μF (Mylar)
-1004
6
8
10
12
14
16
18
20
Supply voltage, VCC -- V
JK470817
0
SVRR -- VCCR
VCC = 13.2V
RL = 4Ω
fR = 100Hz/3kHz
-20
-40
fR = 100Hz
OUT2
OUT1
-60
OUT1
fR = 3kHz
OUT2
-80
The value of power supply capacitor is 0.47μF (Mylar)
Calculate as SVRR = 20 log VO
VCCR
-1000 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Power supply ripple voltage, VCCR -- Vrms JK470819
2 RL = 2Ω
Rg = 600Ω
Pd, ICC -- PO
100 f = 1kHz
7
Dual channel drive
Allowable power dissipation package
2
I
CC
(V
=
CC
16V)
10
7
5
Pd max = 37.5W
5
3
3
2
= 16V)
Pd (VCC = 13.2V) 2
10
Pd (V CC
1.0
7
7
5
5
3
2 2 3 5 7 0.1 2 3 5 7 1.0 2 3 5 7 10
Output power, PO -- W
3
2 3 5 72
JK470821
No. A1783-7/9
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