LA1845N View Datasheet(PDF) - SANYO -> Panasonic
Part Name
Description
Manufacturer
LA1845N Datasheet PDF : 10 Pages
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LA1845N, 1845NM
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Pd max
Pd max
Topr
Tstg
Ta ≤ 45°C
Ta = 80°C (DIP)
Ta = 80°C (MFP)
Conditions
Ratings
Unit
9
V
400
mW
400
mW
260
mw
–20 to +80
°C
–40 to +125
°C
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
VCC
VCCop
Ta = 80°C
Conditions
Ratings
Unit
8
V
4.3 to 8.5
V
Operating Characteristics at Ta = 25°C, VCC = 8 V, in the specified test circuit.
Parameter
Symbol
Conditions
[FM Mono Characteristics] fc = 10.7 MHz, Vi = 100 dBµ, fm = 1 kHz, Mod = 75 kHz
Current drain
Demodulator output
Total harmonic distortion
Signal-to-noise ratio
AM rejection ratio
ICCO-FM
VOFM
THDFM
S/NFM
AMR
With no input signal
100 dBµ, 100% modulation, fm = 1 kHz
100 dBµ, 100% modulation, fm = 1 kHz
100 dBµ, 100% modulation, fm = 1 kHz
100 dBµ, AM 30% modulation, fm = 1 kHz
3 dB sensitivity
100 dBµ, 100% modulation, fm = 1 kHz, -3 dB input
SD sensitivity
0% modulation
IF counter buffer output
Mute attenuation
VIFBuff-FM 100 dBµ, the pin 13 output
Mute-Att 100 dBµ, 100% modulation, fm = 1 kHz
[FM Stereo Characteristics] fc = 10.7 MHz, Vi = 100 dBµ, fm = 1 kHz, L + R = 90%, Pilot = 10%
Separation
Stereo on level
Total harmonic distortion
SepL
STON
THD-main
Left channel modulated. The pin 16 output/the pin 17 output
The pilot modulation such that V7 falls under 0.7 V
Left + right modulation. The pin 16 output.
Adjacent channel rejection ratio 1
Brej-3rd fs = 113 kHz, Vs = 90%, pilot = 10%
The left - right modulation, demodulated output
Adjacent channel rejection ratio 2
Brej-5th fs = 189 kHz, Vs = 90%, pilot = 10%
The left - right modulation, demodulated output
Carrier leak
L + R = 90%, pilot = 10% reference, pilot = 10% output
[AM Characteristics] fc = 1000 kHz, Vi = 80 dBµ, fm = 1 kHz, Mod = 30%
Current drain
Detector output 1
Detector output 2
Signal-to-noise ratio 1
Signal-to-noise ratio 2
Total harmonic distortion 1
Total harmonic distortion 2
SD sensitivity
ICCO-AM
VOAM1
VOAM2
S/NAM1
S/NAM2
THDAM1
THDAM2
With no input signal
23 dBµ, 30% modulation, fm = 1 kHz
80 dBµ, 30% modulation, fm = 1 kHz
23 dBµ, 30% modulation, fm = 1 kHz
80 dBµ, 30% modulation, fm = 1 kHz
80 dBµ, 30% modulation, fm = 1 kHz
107 dBµ, 30% modulation, fm = 1 kHz
0% modulation
Local oscillator buffer output
IF counter buffer output
VOSC-AM With no input signal
VIFBuff-AM 23 dBµ
min
20
230
73
47
38
80
75
30
1.5
38
13
40
90
17
46
11
100
140
Ratings
typ
30
360
0.35
80
65
32
47
120
85
42
3.5
0.45
36
41
44
27
80
160
23
52
0.4
0.5
20
140
285
Unit
max
40 mA
460 mVrms
1.5
%
dB
dB
40 dBµ
56 dBµ
160 mVrms
dB
dB
5.5
%
1.5
%
dB
dB
dB
39 mA
160 mVrms
230 mVrms
dB
dB
1.1
%
1.3
%
29 dBµ
200 mVrms
400 mVrms
No. 5888-2/10
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