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LA1837 数据表(PDF) 2 Page - Sanyo Semicon Device

部件名 LA1837
功能描述  For Home Stereo IC with Electronic Tuning Support Single-Chip IC
Download  9 Pages
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制造商  SANYO [Sanyo Semicon Device]
网页  https://www.sanyo-av.com/us/
标志 SANYO - Sanyo Semicon Device

LA1837 数据表(HTML) 2 Page - Sanyo Semicon Device

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LA1837
No.5688-2/9
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
9
V
Operating supply voltage range
VCC op
7 to 11
V
Electrical Characteristics at Ta = 25°C, VCC = 9V, in the specified test circuit
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
FM Mono characteristics fc = 10.7MHz, fm = 1kHz, with the coil adjusted so that VAFC - VREG = 0V
Current drain
ICCO-FM
With no input
18
31
44
mA
Demodulation output
VOFM
100dB
μ, 100% mod. The pin 16 output
730
1100
1460
mVrms
Channel balance
C.B-mono
100dB
μ, 100% mod.
The pin 16 output/pin 17 output
-1.5
0
+1.5
dB
THDFM(1)
100dB
μ, 100% mod. The pin 16 output
0.3
1.3
%
Total harmonic distortion (mono)
THDFM(2)
100dB
μ, 100% mod. The pin 16 output
1.0
5
%
Signal-to-noise ratio
S/NFM
100dB
μ, 100% mod. The pin 16 output
72
80
dB
AM rejection ratio
AMR
100dB
μ, 100% mod. The pin 16 output
45
65
dB
Limiting input voltage
-3dBL.S.
100dB
μ, 100% mod. Referenced to the output.
The input such that the output is down –3 dB.
26
32
38
dB
μ
LED sensitivity
SDOn-FM
51
60
69
dB
μ
LED bandwidth
SDBW
100dB
μ
85
120
170
kHz
IF count buffer output
VIFBuff-FM
100dB
μ, The pin 13 output
80
120
160
mVrms
VSM-FM(1)
0dB
μ, The pin 11 output
0
0.1
0.5
V
S-meter output
VSM-FM(2)
100dB
μ, The pin 11 output
3.6
4.3
5.0
V
Muting attenuation
Mute-Att
100dB
μ, 100% mod. The pin 16 output
75
85
dB
FM stereo characteristics fc = 10.7MHz, 100dB
μ, fm = 1kHz, L + R = 90%, pilot = 10%
Separation (left)
SepL
L mod. The pin 16 output/pin 17 output
30
45
dB
Separation (right)
SepR
R mod. The pin 17 output/pin 16 output
30
45
dB
Stereo on level
STON
The pilot modulation such that V7 is under 0.7V.
1.3
2.7
5
%
Stereo off level
STOFF
The pilot modulation such that V7 is over 4.5V.
1.5
%
Total harmonic distortion (main)
THD-main
L + R mod. The pin 16 output
0.3
1.3
%
Brej-3rd
fs = 113kHz, VS = 90%, Pilot = 10%,
The pin 16 output vs. the L-R mod. 1kHz
demodulated output
40
dB
Adjacent channel interference
rejection ratio
Brej-5th
fs = 189kHz, VS = 90%, Pilot = 10%,
The pin 16 output vs. the L-R mod. 1kHz
demodulated output
40
dB
AM characteristics fc = 1000kHz, fm = 1kHz
Current drain
ICCO-AM
With no input
15
25
35
mA
VOAM(1)
23dB
μ, 30% mod. The pin 16 output
100
180
360
mVrms
Detector output
VOAM(2)
80dB
μ, 30% mod. The pin 16 output
200
320
500
mVrms
S/NAM(1)
23dB
μ, 30% mod. The pin 16 output
18
22
dB
Signal-to-noise ratio
S/NAM(2)
80dB
μ, 30% mod. The pin 16 output
49
55
dB
THDAM(1)
80dB
μ, 30% mod. The pin 16 output
0.4
1.2
%
Total harmonic distortion (mono)
THDAM(2)
80dB
μ, 80% mod. The pin 16 output
1.0
4.0
%
LED sensitivity
SDOn-AM
17
27
37
dB
μ
Local oscillator buffer output
VOSC-AM
With no input. The pin 30 output
110
160
220
mVrms
IF counter buffer output
VIFBuff-AM
80dB
μ, no modulation. The pin 13 output
160
220
300
mVrms
ST-IF output
VSTIF-AM
80dB
μ, no modulation. The pin 7 output
16
34
48
mVrms
S-merer output
VSM-AM
0dB
μ, no modulation.
0
0
0.2
V


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