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參數(shù)資料
| 型號(hào)： | LA4663 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM14 |
| 封裝： | SIP-14 |
| 文件頁(yè)數(shù)： | 3/10頁(yè) |
| 文件大小： | 113K |
| 代理商： | LA4663 |
Operating Conditions *1 at Ta = 25°C
Note *:1. When used with VCC, RL, and output level ranges such that Pd max for the heat sink actually used is not exceeded.
2. When both channels are operating with IO peak values that exceed 2 A per channel.
If the IO peak value does not exceed 2 A per channel, a range of 5.5 to 22 V is allowed for any allowable RL (for ranges where Pd max is not
exceeded).
Operating Characteristics at Ta = 25°C, VCC = 15 V, RL = 4 , f = 1 kHz, Rg = 600
No. 5905-2/10
LA4663
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Quiescent current
ICCO
Rg = 0, RL = open
60
100
180
mA
Standby current
Ist
When standby is off and with no power supply capacitor
1
10
A
Voltage gain
VG
VO = 0 dBm
38
40
42
dB
Total harmonic distortion
THD
PO = 1 W, Filter = FLAT
0.07
0.4
%
PO1
VCC = 15 V, THD = 10%, RL = 4
16
20
W
Output power
PO2
VCC = 12 V, THD = 10%, RL = 4
13
W
PO3
VCC = 12 V, THD = 10%, RL = 6
10
W
Output offset voltage
VN offset
Rg = 0
–300
+300
mV
Output noise voltage
VNO
Rg = 0, BPF = 20 Hz to 20 kHz
0.2
0.5
mV
Ripple rejection ratio
SVRR
Rg = 0, VR = 0 dBm, fR = 100 Hz
50
60
dB
Channel separation
CH sep
Rg = 10 k
, VO = 0 dBm
50
60
dB
Input resistance
Ri
14
20
26
k
Standby pin applied voltage
VST
Amplifier on (the pin 5 voltage)
2.5
10
V
Muting pin applied voltage
VM
Muting on (the pin 6 voltage)
1.5
3
V
Muting attenuation
ATTM
Muting on (VO = 1 V rms), BPF = 20 Hz to 20 kHz
70
80
dB
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
12, 15
V
Recommended load resistance range
RL op
4 to 8
When RL = 8
5.5 to 21
V
Allowable operating supply voltage range *2
VCC op
When RL = 6
5.5 to 20
V
When RL = 5
5.5 to 17
V
When RL = 4
5.5 to 15
V
0
10
15
13.9
20.8
10.4
3.1
5
30
20
25
40
35
80
160
120
100
140
60
40
20
-20
0
2
3
2
3
5
7
10
100
2
3
5
7
1000
2
3
5
7
Pd max - Ta
θf(wàn)=3°C/W
θjc=2°C/W
θf(wàn)=4°C/W
θf(wàn)=7°C/W
θf(wàn)=10°C/W
No radiator fin
θf(wàn) - Sf
Allowable
power
dissipation,
Pd
max
—
W
Ambient temperature, Ta — °C
With an arbitrarily large heat sink
With an Al heat sink
with mounting bolts
tightened down with
a torque of 39 Ncm
and silicone grease
applied.
Al heat sink, t = 1.5 mm
With mounting bolts
tightened down with a
torque of 39 Ncm and
silicone grease applied.
Heat sink area, Sf — cm2
Heat
sink
thermal
resistance,
θ f
—
°C/W
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