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參數資料
| 型號： | LA4420 |
| 文件頁數： | 2/8頁 |
| 文件大小： | 161K |
| 代理商： | LA4420 |
Operating Characteristics
at Ta = 25°C, V
CC
= 13.2 V, R
L
= 4
, f = 1 kHz, Rg = 600
, specified
board/specified circuit, 30
×
30
×
1.5 mm
3
thick aluminum used
Parameter
Symbol
I
CCO
VG
P
O
1
P
O
2
THD
V
NO
Conditions
min
typ
65
45
max
130
47
Unit
mA
dB
W
W
%
mV
Quiescent current
Voltage gain
V
O
= 0 dBm
13.2 V/4
, THD = 10%
14.4 V/4
, THD = 10%
V
O
= 2V
Rg = 0, BPF = 20 Hz to 20 kHz
Rg = 0, BPF = 20 Hz to 20 kHz
V
R
= 0 dBm, f
R
= 100 Hz
Rg = 0, BPF = 20 Hz to 20 kHz
V
R
= 0 dBm, f
R
= 1 kHz
Rg = 0
43
Output power
4
5
5
6
Total harmonic distortion
Output noise voltage
0.1
0.15
1.0
0.5
Ripple rejection ratio
SVRR
1
30
40
dB
SVRR
2
47
dB
Overvoltage attack
Starting time
Input resistance
V
CCX
t
s
R
IN
f
L
f
H
Tc
21.5
0.35
50
40
90
125
V
s
k
Hz
kHz
°C
Roll-off frequency
Thermal operating temperature
Sample Application Circuit
.
On-chip overvoltage protection
.
On-chip thermal protection
.
On-chip pop noise reducing circuit
.
On-chip output D.C. short protection
Pin Voltage
at V
CC
= 13.2 V
Characteristics
Input
Small signal
GND
2
Large signal
GND
3
Output
V
CC
Pin No.
Pin voltage
(reference value)
1
4
5
(
6
2 V
BE
)
1.4 V
0 V
0 V
(
6
1/2 V
CC
)
6.5 V
(V
CC
)
13.2 V
Pd max – Ta
With silicone grease applied.
Heat sink mounting torque 39 N·cm
A
With infinite heat sink
With 100
×
100
×
1.5 mm
3
Al heat sink
With 50
×
50
×
1.5 mm
3
Al heat sink
With 30
×
30
×
1.5 mm
3
Al heat sink
No heat sink
Ambient temperature, Ta – °C
LA4425A
No.3309-2/8
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