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LA1823 데이터시트(PDF) 2 Page - Sanyo Semicon Device

부품명 LA1823
상세설명  Single-Chip Tuner ICs for Use in Radio Cassette Recorder
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제조업체  SANYO [Sanyo Semicon Device]
홈페이지  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA1823 데이터시트(HTML) 2 Page - Sanyo Semicon Device

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LA1823, LA1823M
No.6854-2/12
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
4.5
V
Operation supply voltage range
VCC op
1.8 to 6.0
V
Operating Characteristics at Ta
= 25°C, VCC = 4.5V, in the specified test circuit
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent supply current
FM-mode quiescent current
ICC (FM)
10.0
15.0
20.0
mA
AM-mode quiescent current
ICC (AM)
6.5
9.2
14.5
mA
FM front-end characteristics at fc = 98MHz, VIN = 60dBµV EMF, fm = 1kHz, 22.5kHz dev
Local oscillator voltage
VOSC
No. input, fosc = 108.7MHz,
the pin 20 output
100
mVrms
Input limiting voltage
3dB L.S.
Referenced to 22.5kHz dev, a 3dB down input
12
dB
µV EMF
FM IF characteristics (monaural) at fc = 10.7MHz, VIN = 100dBµV, fm = 1kHz, 75kHz dev
Demodulation output
VO
The pin 16 output
125
165
210
mVrms
Signal-to-noise ratio
S/N
The pin 16 output
63
72
dB
Total harmonic distortion
(monaural)
THD
The pin 16 output
0.5
1.5
%
Input limiting voltage
3dB L.S.
Referenced to 75kHz dev, a 3dB down input
31
38
45
dB
µV
IF count buffer on level
IF buff on
No modulation
35
45
55
dB
µV
IF count buffer output
VIF buff
No modulation, the pin 7 output
120
180
240
mVrms
FM IF characteristics (stereo) at fc = 10.7MHz, VIN = 100dBµV, fm = 1kHz, 75kHz dev, L+R = 90%, PILOT = 10%
Separation
SEP
Left channel modulated, the pin 16 and pin 17
outputs
25
40
dB
Stereo on level
ST-ON
The pilot modulation such that the pin 8 voltage
becomes lower than 0.5V
2.4
3.5
7.2
%
Total harmonic distortion (stereo)
THD
Main modulation, the pin 16 output
0.5
1.7
%
AM characteristics at fc = 1000kHz, fm = 1kHz, mod = 30%
VO1
VIN = 23dBµV, the pin 16 output
14
26
50
mVrms
Detector output
VO2
VIN = 80dBµV, the pin 16 output
50
75
120
mVrms
S/N1
VIN = 23dBµV, the pin 16 output
15
20
dB
Signal-to-noise ratio
S/N2
VIN = 80dBµV, the pin 16 output
47
54
dB
Total harmonic distortion
THD
VIN = 80dBµV, the pin 16 output
0.5
1.5
%
OSC buffer output
VOSC buff
No input, the pin 8 output
80
100
160
mVrms
IF count buffer on level
IF buff on
No modulation
15
25
32
dB
µV
IF count buffer output
VIF buff
VIN = 80dBµV, no modulation, the pin 7 output
110
180
220
mVrms


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