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參數資料
| 型號： | LA4629 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 4.5 W, 2 CHANNEL, AUDIO AMPLIFIER, SFM12 |
| 封裝： | SIP-12 |
| 文件頁數： | 2/6頁 |
| 文件大?。?/td> | 101K |
| 代理商： | LA4629 |
LA4629
No.6502-2/6
Electrical Characteristics at Ta = 25
°C, VCC = 12V, RL = 3Ω, f = 1kHz, Rg = 600Ω
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
ICCO
Rg = 0
18
35
80
mA
Standby current
IST
1.0
10
μA
Voltage gain
VG
VO = 0dBm
43
45
47
dB
PO(1)
THD = 10%
3.0
4.5
W
PO(2)
VCC = 12V, RL = 4Ω, THD = 10%
4.0
W
PO(3)
VCC = 9V, RL = 3Ω, THD = 10%
2.0
2.5
W
Output power
PO(4)
VCC = 9V, RL = 4Ω, THD = 10%
2.0
W
Total harmonic distortion
THD
PO = 1W
0.2
0.8
%
Output noise voltage
VNO
Rg = 0, DIN AUDIO
0.15
0.5
mV
Ripple rejection ratio
SVRR
Rg = 0, fR = 100Hz, Vr = 0dBm, DIN AUDIO
45
55
dB
Channel separation
CHsep
Rg = 0, VO = 0dBm, DIN AUDIO
43
50
dB
Input resistance
Ri
20
30
40
k
Ω
Standby pin voltage
VST
The pin 6 voltage such that the amplifier is on
1.5
5.0
V
Package Dimensions
unit : mm (typ)
3049B
Pin Assignment and Application Circuit Example
12
3
4
5
6
7
8
9
10
11
12
LA4629
+
RL
1000
μ
F
RL
1000
μ
F
4.7
μ
F
100
μ
F
1μ
F
1μ
F
1000
μ
F
OUT2
OUT1
NC
RF
P.P
IN1
IN2
IN1
STBY
5V
IN2
NC
Top view
PRE
GND
STBY
POWER
GND
VCC
+
*Rx
Pins 4 and 11 must be left open.
* Rx : If the STBY pin (pin 6) is used, observe the following :
Insert the resistor Rx in series to limit the inflowing current.
(The amplifier will be on when a voltage is applied to pin 6.)
0
Pd max -- Ta
-20
28
20
24
25
12
16
8
4
20
12.5
3.6
3.2
7.0
0
40
60
80
100
50
×50×1.5mm3
100
×100×1.5mm3
Allo
w
able
po
wer
dissipation,
Pd
max
--
W
Ambient temperature, Ta -- C
Independent IC
Aluminum heat sink mounted with a torque of 39 N cm,
flat washers, and with silicone grease applied.
Mounted on the
Sanyo-recommended
printed circuit board
With an arbitrarily large heat sink
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