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參數(shù)資料
| 型號(hào)： | LA4636 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 音頻放大器 |
| 英文描述： | For General Audio Use 11 W 2-Channel BTL AF Power Amplifier |
| 中文描述： | 一般音響用11西2聲道橋接自動(dòng)對(duì)焦功率放大器 |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 28K |
| 代理商： | LA4636 |
LA4636
No. 6985-2/3
Operating Characteristics
at Ta = 25
°
C, V
CC
= 12 V, R
L
= 4
, f = 1 kHz, Rg = 600
Parameter
Symbol
Conditions
Ratings
typ
70
min
40
max
150
10
37
0.2
Unit
mA
μ
A
dB
%
W
W
mV
dB
dB
k
mV
V
V
dB
Quiescent current
Standby current
Voltage gain
Total harmonic distortion
Output power
I
CCO
Ist
VG
THD
P
O
1
P
O
2
V
NO
SVRR
CH Sep
Ri
Rg = 0
0
V
O
= 0 dBm
P
O
= 1 W
THD = 10%
THD = 10%, R
L
= 6
Rg = 0, BPF = 20 Hz to 20 kHz
Rg = 0, f
R
= 100 Hz, V
R
= 0 dBm
Rg = 10 k
, V
O
= 0 dBm
33
35
0.06
11
8
9
Output noise voltage
Ripple rejection
Channel separation
Input resistance
Output offset voltage V
N
offset
Standby pin voltage
Mute pin voltage
Mute attenuation
0.14
60
60
20
0.3
50
50
14
26
Rg = 0
Amplifier on (pin 5 voltage)
Mute on (pin 6 voltage)
V
O =
1Vrms, BPF = 20 Hz
to 20 kHz
–
300
2.5
1.5
+300
V
ST
V
M
ATTM
10
3
80
90
Measurement Circuit Diagram
Signal Mute Function
Connecting a CR of the recommended value (10
μ
F,
22 k
) to pin 6 of the IC and applying +5 V turns
signal mute on. This function mutes low-frequency
popping noises.
The CR is for smoothing during attack and recovery.
The 10
μ
F capacitor also performs smoothing after the
starting time, so it is necessary even if the signal mute
function is not used.
If a 22 k
external resistor is used, the pin 6 inflow
current (Imute) will be approximately 160
μ
A when
+5 V is applied.
It is possible to change the external resistance value if
the voltage applied is changed or to match the capacity
of the microprocessor, but the popping noise level
could rise if the pin 6 inflow current increases too
much. It is therefore important to check the inflow
current whenever the resistance value is changed.
Note: The LA4636 is basically
pin-compatible with the
LA4635, but there are
partial differences in
operation and usage,
including with regard to
externally connected
parts.
+
DC
+
IN1
+
4
μ
F
1
4
μ
F
1
C
C
C
4
μ
F
2
C
IN2
+
1
μ
F
1
1
μ
F
2
C
MUTE
PWR
GND
+OUT2
--OUT2
--OUT1
STBY
VCC
7
VCC
PRE
GND
S
5
+
C
C
+OUT1
LA4636
R
2
M
5
1
2
3
4
5
6
10
11
12
RL
C
C
0
μ
F
0
μ
F
0
μ
F
0
μ
F
R
2
2
R
R
2
2
R
RL
8
9
ILA00774
Top view
Pin 6 Equivalent Circuit Inside IC
22k
5V
2k
2
1
μ
F
2
6
Imute
ILA00775
Approximately 1.56V
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|---|---|
| LA4645 | LA4645 |
| LA4663 | Two-Channel 16-W BTL General-Purpose Audio Power Amplifier(雙16W BTL 通用音頻功率放大器) |
| LA4700N | 2-Channel 12W AF Power Amplifier for Car Stereos(用于汽車立體聲的輸出功率12W雙 AF功率放大器) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4645 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA4663 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA4663-B-E | 制造商:ON Semiconductor 功能描述:AUDIO AMPLIFIER BTL 2CH - Ammo Pack |
| LA4663-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA46B-DBKUG-7-PF | 制造商:LIGITEK 制造商全稱:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
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