參數(shù)資料
型號: LA8670M
元件分類: 接收器
英文描述: FM, AUDIO DEMODULATOR, PDSO24
封裝: MFP-24
文件頁數(shù): 3/7頁
文件大小: 185K
代理商: LA8670M
LA8670M
No.4930-2/10
Operating Characteristics
at Ta=25°C, VCC=3V, fC (MIX) =49.830MHz, fmod=1kHz, Δf=±3kHz)
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
ICCO
No input
7.3
9.5
mA
Mixer intercept point
Ip3
First mixer
--4.8
dBm
12dB sensitivity
12dB S / N
No input matching
3.2
5.0
dBμ
Demodulator output
VO
VIN=80dBμ
143
180
227
mVrms
Signal-to-noise ratio
S / N
No modulation, VIN=80dBμ
60
67
dB
AM rejection ratio
AMR
AM 30% modulation
35
43
dB
Total harmonic distortion
THD
VIN=80dBμ
2.2
3.0
%
VSM1VIN=0dBμ
0.05
0.30
0.65
V
Signal meter output
VSM2VIN=40dBμ
0.60
0.90
1.40
V
VSM3VIN=80dBμ
1.05
1.40
1.85
V
Noise detector output
VND1
fi=40kHz, Vi=--50dBV
0.10
0.25
V
VND2
fi=40kHz, Vi=--30dBV
1.10
1.40
1.70
V
Noise detector level
V141
Schmitt on
0.53
0.63
0.73
V
V142
Schmitt off
0.33
0.43
0.53
V
Schmitt output level
VSH1V14=0.8V
0.3
V
VSH2V14=0.2V
2.8
V
Mixer conversion gain
GM1
First mixer
19
dB
GM2
Second mixer
24
dB
Mixer input frequency
90
MHz
Mixer input resistance
First mixer
5
Second mixer
330
Ω
Mixer output resistance
First mixer
330
Ω
Second mixer
2.0
FM detector output impedance
520
Ω
Note: AC levels are all indicated for open (EMF) circuits.
Package Dimensions
unit : mm
3112B
1
12
13
24
12.5
0.63
7.6
5.4
0.15
1.0
0.35
(0.75)
1.7max
0.1
(1.5)
SANYO : MFP24S(300mil)
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