參數(shù)資料
型號(hào): AN5270
廠商: PANASONIC CORP
元件分類: 音頻/視頻放大
英文描述: 4.3 W X 1(8ohm) Power Amplifier with Volume Control and Tone Control
中文描述: 4.3 W, 1 CHANNEL, AUDIO AMPLIFIER, PSFM9
文件頁數(shù): 3/9頁
文件大?。?/td> 82K
代理商: AN5270
3
ICs for Audio Common Use
AN5270
I
Electrical Caracteristics at V
CC1
=
12 V, V
CC2
=
18 V, f
=
1 kHz, T
a
=
25
°
C, RL
=
8
, Vol.
=
max.,
Tone
=
max.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Quiescent current 1
I
TOT1
No input signal
Measure V
CC1
current
7
10
13
mA
Quiescent current 2
I
TOT2
No input signal
Measure V
CC2
current
20
28
48
mA
Output DC bias
V
ODC
No input signal
Measure Pin8 DC
7.2
8.3
9.4
V
Voltage gain
G
V
V
O
=
1 V
rms
, G
V
=
20 log(V
O
/ V
IN
)
V
O
=
1 V
rms
, BPF : 400 Hz to 30 kHz
THD
=
10 %, P
O
=
V
O2
/ R
L
V
O
=
1.0 V
rms
, Vol.
=
max.
min.
Attmax
=
20 log [V
O(vol.
=
max.)
/ V
O(vol.
=
min.)
]
f
=
10 kHz, fix V
IN
where
V
O(tone
=
max.)
=
1 V
rms
Tone
=
max.
min.
G
TC
=
20 log [V
O(tone
=
max.)
/ V
O(tone
=
min.)
]
28
30
32
dB
Total harmonic distortion
THD
0.5
1.0
%
Max. output power
Pomax
4.0
4.3
66
W
Max. output attenuation
Attmax
69
dB
Tone variable range
G
TC
18
20
dB
I
Application Circuit Example
V
C
I
L
3
V
T
R
G
O
V
C
9
5.1k
AN5270
AN78M12
8
GND
10k
VR
33k
24k
AV
SW
100
External
audio in
3.3
μ
F
33
μ
F
33
μ
FExt
TV
0.039
μ
F
470
μ
F
47
μ
F
100
μ
F
22
μ
F
2200
μ
F
47
μ
F
12V
5V
AN78M05
SIF-IC
33
μ
F
100k
9k
30k
10k
VR
1k
33
μ
F
Det.
out
18V
Power
supply
Note) Design considerations for shock noise prevention. :
In the application of the IC, please adopt the above power supply configuration whenever possible.
Where this is not possible, then it is better to ensure that V
CC1
should start up first before the onset of V
CC2
, in order to prevent
power-on shock noise. Similarly, please ensure that V
CC2
declines faster than V
CC1
, in order to prevent power-off shock noise.
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