LA4425A
Operating Characteristics at Ta = 25°C, VCC = 13.2 V, RL = 4 Ω, f = 1 kHz, Rg = 600 Ω, specified
board/specified circuit, 30 × 30 × 1.5 mm3 thick aluminum used
Parameter
Quiescent current
Symbol
Conditions
min
typ
65
max
130
47
Unit
mA
dB
W
I
CCO
VG
Voltage gain
V
= 0 dBm
43
4
45
O
P 1
13.2 V/4 Ω, THD = 10%
14.4 V/4 Ω, THD = 10%
5
O
Output power
P 2
O
5
6
W
Total harmonic distortion
Output noise voltage
THD
V
= 2V
0.1
0.15
1.0
0.5
%
O
V
Rg = 0, BPF = 20 Hz to 20 kHz
mV
NO
Rg = 0, BPF = 20 Hz to 20 kHz
SVRR
SVRR
30
40
47
dB
dB
1
V
= 0 dBm, f = 100 Hz
R
R
Ripple rejection ratio
Rg = 0, BPF = 20 Hz to 20 kHz
= 0 dBm, f = 1 kHz
2
V
R
R
Overvoltage attack
Starting time
V
Rg = 0
21.5
0.35
50
V
s
CCX
t
s
Input resistance
R
kΩ
Hz
kHz
°C
IN
L
f
40
Roll-off frequency
f
90
H
Thermal operating temperature
Tc
125
Sample Application Circuit
Pd max – Ta
With silicone grease applied.
Heat sink mounting torque 39 N·cm
With infinite heat sink
.
With 100 × 100 × 1.5 mm3 Al heat sink
On-chip overvoltage protection
On-chip thermal protection
On-chip pop noise reducing circuit
On-chip output D.C. short protection
.
.
.
With 50 × 50 × 1.5 mm3
Al heat sink
With 30 × 30 × 1.5 mm3 Al heat sink
No heat sink
Ambient temperature, Ta – °C
Pin Voltage at VCC = 13.2 V
Small signal
GND
Large signal
Output
Characteristics
Pin No.
Input
1
V
CC
5
GND
2
3
4
Pin voltage
(reference value)
(6 2 V
)
(6 1/2 V
)
(V
13.2 V
)
CC
BE
1.4 V
CC
0 V
0 V
6.5 V
No.3309-2/8
ETC [ ETC ]
