LA1844M Просмотр технического описания (PDF) - SANYO -> Panasonic
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производитель
LA1844M Datasheet PDF : 11 Pages
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LA1844,LA1844M
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Maximum supply voltage
Allowable power dissipation
VCC max
Pd max
Operating temperature
Storage temperature
Topr
Tstg
Ta ≤ 45°C
Ta ≤ 80°C
Conditions
Operating Conditions at Ta = 25°C
Parameter
Symbol
Recommended supply voltage
Operating supply voltage range
VCC
VCC op
Conditions
Electrical Characteristics at Ta = 25°C
FM Mono Characteristics at fC = 10.7MHz, VCC = 5V
Parameter
Symbol
Conditions
Current drain
Demodulator output
Total harmonic distortion
Signal-to-noise ratio
AM rejection ratio
3dB sensitivity
SD sensitivity
IF counter buffer output
Mute attenuation
ICCO-FM
VOFM
THDFM mono
S/NFM
AMR
Vi-limit
LED Sens
VIFBuff-FM
Mute-Att
With no input signal
100dBμ, 100% modulation, fm = 1kHz
100dBμ, 100% modulation, fm = 1kHz
100dBμ, 100% modulation, fm = 1kHz
100dBμ, AM 30% modulation, fm = 1kHz
100dBμ, 100% modulation,
fm = 1kHz output reference, -3dB input
0% modulation
100dBμ
100dBμ, 100% modulation, fm = 1kHz
FM Stereo Characteristics at fC = 10.7MHz, 100dBμ, VCC = 5V
Parameter
Symbol
Conditions
Separation
Stereo on level
Total harmonic distortion
Adjacent channel rejection ratio 1
Adjacent channel rejection ratio 2
Carrier leak
Sep
STON
THD-main
BR1
BR2
CL
L+R = 90%, Pilot = 10%, fm = 1kHz
Pilot input
Pilot input
fs = 113kHz, Vs = 90%, pilot = 10% :
The left - right modulation, demodulated output
fs = 189kHz, Vs = 90%, pilot = 10% :
The left - right modulation, demodulated output
L+R = 90%, pilot = 10% reference,
pilot = 10% output
AM Characteristics at fC = 1000kHz, VCC = 5V
Parameter
Symbol
Conditions
Current drain
Detector output
Signal-to-noise ratio
Total harmonic distortion
SD sensitivity
Local oscillator buffer output
IF counter buffer output
ICCO-AM
VOAM1
VOAM2
S/NAM1
S/NAM2
THDAM1
THDAM2
SD-Sens
VOSC-AM
VIFBuff-AM
With no input signal
23dBμ, 30% modulation, fm = 1kHz
80dBμ, 30% modulation, fm = 1kHz
23dBμ, 30% modulation, fm = 1kHz
80dBμ, 30% modulation, fm = 1kHz
80dBμ, 30% modulation, fm = 1kHz
107dBμ, 30% modulation, fm = 1kHz
0% modulation
With no input signal
23dBμ
Ratings
Unit
9
V
400 mW
260 mW
-20 to +80
°C
-20 to +150
°C
Ratings
Unit
5
V
4.3 to 8.0
V
min
18
210
73
47
Ratings
typ
28
330
0.35
80
65
32
max
38
420
1.5
40
Unit
mA
mVrms
%
dB
dB
dBμ
37
47
57 dBμ
200
275
400 mVrms
76
dB
Ratings
Unit
min
typ
max
30
42
dB
1.5
3.5
5.5
%
0.45
1.5
%
36
dB
41
dB
38
44
dB
min
11
40
90
17
48
11
100
140
Ratings
typ
22
80
160
23
54
0.4
0.5
21
140
285
max
33
160
230
1.1
1.3
31
200
400
Unit
mA
mVrms
mVrms
dB
dB
%
%
dBμ
mVrms
mVrms
No.7930A-2/11
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