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參數(shù)資料
| 型號(hào)： | LA1231N |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | FM IF System |
| 中文描述： | 調(diào)頻中頻系統(tǒng) |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 665K |
| 代理商： | LA1231N |
LA1231N
No.660-3/8
Recommended Operating Conditions
at Ta=25°C
Parameter
Supply voltage
Symbol
V
CC
Conditions
Ratings
Unit
V
12
Operating Characteristics
at Ta=25°C, V
CC
=12V, f=10.7MHz
Parameter
Symbol
Conditions
Ratings
typ
22
26.5
330
78.5
25
0.05
29
65
min
max
30
33
460
Unit
Quiescent current
Current drain
Demodulated output
S/N
Input limiting voltage
Total harmonic distortion
Muting sensitivity
Muting attenuation
I
CCO
I
CC
Vo
mA
mA
V
IN
=100dBμ
V
IN
=100dBμ, 400Hz-100% mod
V
IN
=100dBμ, 400Hz-100% mod
Vo 3dB down, 400Hz-100% mod
V
IN
=100dBμ, 400Hz-100% mod
V
12
=1.4V
V
5
=2V, V
IN
=100dBμ,
400Hz-100% mod
BW(mute) V
IN
=100dBμ, V
12
=1.4V
AMR
V
IN
=100dBμ, FM : 400Hz-100% mod
240
72
mVrms
dB
dBμ
%
dBμ
dB
V
IN(lim)
THD
V
IN(mute)
Mute(att)
31
0.3
35
23
60
Muting bandwidth
AM rejection ratio
140
45
220
60
370
kHz
dB
AM : 1kHz-30% mod
Muting driving output
V
12
Quiescent
V
IN
=100dBμ
Quiescent
V
IN
=70dBμ
V
IN
=100dBμ
Quiescent
V
IN
=100dBμ
Quiescent, V
8-10
≤
20mV
4.0
4.9
6.0
0.3
0.1
4.2
V
V
V
V
V
V
V
μA
V
V
V
V
V
V
V
V
V
V
V
V
V
0
0
0
0
Signal meter driving output
V
13
1.9
4.5
4.2
3.0
5.5
5.0
AGC output
V
15
5.5
0.5
60
1.0
+0.5
+0.25
0
0
IF off current
Voltage of muting operation
Offset voltage
I
15(off)
V
16
(mute) V
IN
=100dBμ, V
12
=1.4V
V
6-10 B
Quiescent, pin 6-10
V
7-10 B
Quiescent, pin 7-10, R
7-10
=5.1k
V
1
Quiescent
V
2
Quiescent
V
3
Quiescent
V
6
Quiescent
V
7
Quiescent
V
8
Quiescent
V
10
Quiescent
V
12
Quiescent
V
13
Quiescent
V
15
Quiescent
10
0.7
–0.5
–0.25
35
0.84
0
0
Pin voltage
2.6
2.6
2.6
5.6
5.6
5.4
5.6
4.9
0
5.0
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