參數(shù)資料
型號(hào)： LA4902
元件分類： 音頻／視頻放大
英文描述： 10 W, 1 CHANNEL, AUDIO AMPLIFIER, DIP28
封裝： 0.500 INCH, DIP-28
文件頁數(shù)： 2/5頁
文件大小： 79K
代理商： LA4902
LA1805
No.2887-2/14
Operating Conditions at Ta=25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended operating voltage
VCC
4.5
V
Operating voltage range
VCC op
3.0 to 8.0
V
Note: The FM output level forms an N curve (LA1805) and an S curve (LA1806).
LA1805: N curve (for US band)
LA1806: S curve (for Japanese band). Your desired output level can be set by varying the output resistance.
Operating Characteristics at Ta=25°C, VCC=4.5V, See specified Test Circuit.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
[FM characteristics (Mono): fc=10.7MHz, fm=1kHz]
Quiescent current
ICCO
No input
13
20
mA
--3dB sensitivity
--3dBL.S.
Referenced to VIN=100dBμ, 100%, down 3dB
28
35
dBμ
Demodulation output
VO
VIN=100dBμ, 100% mod.
140
205
280
mV
Channel balance
C.B.
VIN=100dBμ, 100% mod.
0
1.5
dB
Total harmonic distortion
THD
VIN=100dBμ, 100% mod.
0.45
1.2
%
Signal to noise ratio
S / N
VIN=100dBμ, 100% mod.
70
80
dB
LED ON sensitivity
VLED
IL=1mA
23
33
43
dBμ
[FM characteristics (Stereo): fc=10.7MHz, fm=1kHz, L+R=90%, pilot=10%, VIN=100dBμ]
Separation
Sep
32
48
dB
Stereo distortion
THD (Main)
0.45
1.2
%
LED ON level
VLED-on
2.4
3.9
5.4
%
LED OFF level
VLED-off
2.7
%
[AM characteristics: fc=1000kHz, fm=1kHz]
Quiescent current
ICCO
No input
9.5
14.5
mA
Demodulation output
VO1VIN=23dBμ, 30% mod.
27
50
90
mV
VO2VIN=80dBμ, 30% mod.
70
113
173
mV
Signal to noise ratio
S / N1
VIN=23dBμ, 30% mod.
17
21
dB
S / N2
VIN=80dBμ, 30% mod.
50
55
dB
Total harmonic distortion
THD1
VIN=80dBμ, 30% mod.
0.45
1.2
%
THD2
VIN=100dBμ, 30% mod.
0.6
1.5
%
LED on sensitivity
VLED
IL=1mA
16
24
32
dBμ
Note: Be fully careful of dielectric breakdown.
Package Dimensions
unit : mm
3067B
1
12
24
13
21.0
3.9
max
0.51min
3.3
0.95
6.4
7.62
0.25
1.78
0.48
0.9
(0.71)
(3.25)
SANYO : DIP24S(300mil)
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