la1845nv Sanyo Semiconductor Corporation, la1845nv Datasheet - Page 2

• Manufacturer Part Number: la1845nv
• Description: Single-chip Home Stereo Ic
• Manufacturer: Sanyo Semiconductor Corporation

Electrical Characteristics • Operating Characteristics at V CC = 8V, in the specified test circuit.
FM Mono Characteristics at fc = 10.7MHz, Vi = 100dBµ, fm = 1kHz, Modulation = 75kHz
FM Stereo Characteristics at fc = 10.7MHz, Vi = 100dBµ, L+R = 90%, Pilot = 10%, fm = 1kHz
AM Characteristics at fc = 1000kHz, Vi = 80dBµ, fm = 1kHz, Modulation = 30%
Separation
Stereo On Level
Total Harmonic Distortion
Adjacent Channel Rejection Ratio 1
Adjacent Channel Rejection Ratio 2
Carrier Leak
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
Local Oscillator Buffer Output
IF Counter Buffer Output
Current Drain
Demodulator Output
Total Harmonic Distortion
Signal-to-Noise Ratio
AM Rejection Ratio
3dB Sensitivity
SD Sensitivity
IF Counter Buffer Output
Mute Attenuation
Parameter
Parameter
Parameter
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
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
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
Conditions
LA1845NV
Conditions
Conditions
min
min
min
230
200
100
140
1.5
20
73
47
38
30
38
13
40
90
17
46
11
Ratings
Ratings
Ratings
typ
typ
typ
0.35
0.45
360
275
160
140
285
3.5
30
80
65
32
47
76
0.4
0.5
42
36
41
44
27
80
23
52
20
max
max
max
460
400
160
230
200
400
1.5
5.5
1.5
1.1
1.3
40
40
56
29
39
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mVrms
mVrms
mVrms
mVrms
mVrms
mVrms
Unit
dBµ
dBµ
Unit
Unit
dB
dB
dB
dB
dBµ
mA
mA
dB
dB
dB
%
%
dB
dB
%
%
%