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參數(shù)資料
| 型號： | LA4906 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 音頻放大器 |
| 英文描述： | 17-W, 2-Channel BTL AF High-Efficiency Power Amplifier for Car Audio Systems |
| 中文描述： | 17鎢，雙通道橋接自動對焦高效率數(shù)字功放汽車音響系統(tǒng) |
| 文件頁數(shù)： | 2/10頁 |
| 文件大小： | 362K |
| 代理商： | LA4906 |
No. 5714-2/10
LA4906
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Quiescent current drain
I
CC
0
Ist
R
L
=
∞
, V
IN
= 0
80
110
150
mA
Standby current
0
10
μA
Voltage gain
VG
V
O
= 0 dBm
P
O
= 1 W, LPF = 30 kHz
THD = 10 %, RL = 4
THD = 10 %, RL = 2
Rg = 0, BPF = 20 Hz to 20 kHz
28
30
32
dB
Total harmonic distortion
THD
0.07
0.2
%
Output power
P
O
1
P
O
2
V
NO
14
17
W
25
W
Output noise voltage
0.10
0.3
mVrms
Ripple rejection ratio
SVRR
Rg = 0, V
= 0 dBm,
BPF = 20 Hz to 20 kHz
60
75
dB
Channel separation
CH sep
Rg = 10 k
, V
= 0 dBm,
BPF = 20 Hz to 20 kHz
45
60
dB
Input resistance
Ri
21
30
39
k
mV
Output offset voltage
VN offset
Rg = 0
AMP = on, applied through a 10 k
resistor
THD = 1 %
–200
+200
Standby on voltage
V
STH
I
DOFF
I
DON
3
V
CC
10
V
Clipping detect off current
1
μA
Clipping detect on current
THD = 10 %
100
150
200
μA
Operating Characteristics
at Ta = 25°C, V
CC
= 13.2 V, R
L
= 4
, f = 1 kHz, RG = 600
, in the recommended circuit
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V
CC
V
CC
op
R
L
R
L
op
13.2
V
Allowable operating voltage range
8 to 16
V
Recommended load resistance
4
Recommended load resistance range
2 to 4
Operating Conditions
at Ta = 25°C
Note: Set V
CC
and R
L
to be in the range where Pd max does not exceed 37.5 W.
A
H
θ
f
Heat sink area, Sf – cm
2
Ambient temperature, Ta – °C
With an arbitrarily large heat sink
Al heat sink, t = 1.5 mm
Tightening torque: 39 N·cm
With silicone grease applied.
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