LA1838 Ver la hoja de datos (PDF) - SANYO -> Panasonic
Número de pieza
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LA1838 Datasheet PDF : 9 Pages
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LA1838
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Ta ≤ 70°C
Conditions
Ratings
Unit
12
V
550
mW
–20 to +70
°C
–40 to +125
°C
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
VCC
VCCop
Conditions
Ratings
Unit
9
V
7 to 11
V
Operating Characteristics at Ta = 25°C, VCC = 9 V, in the specified test circuit.
Parameter
Symbol
Conditions
[FM Mono Characteristics] fc = 10.7 MHz, fm = 1 kHz
Current drain
Demodulator output
Channel balance
ICCO-FM
VOFM
C.B-mono
With no input signal
100 dBµ, 100% modulation, the pin 16 output
100 dBµ, 100% modulation, the pin 16 output/the
pin 17 output
Total harmonic distortion (mono)
Signal-to-noise ratio
AM rejection ratio
THDFM
S/NFM
AMR
100 dBµ, 100% modulation, the pin 16 output
100 dBµ, 100% modulation, the pin 16 output
100 dBµ, AM 30% modulation, the pin 16 output
Input limiting voltage
100 dBµ, 100% modulation, referenced to the output,
–3dBL.S the input when the output is down by –3 dB
LED indicator on sensitivity
LED indicator on bandwidth
IF counter buffer output
S-meter output
Mute attenuation
SDOn-FM
SDBW
VIFBuff-FM
VSM-FM1
VSM-FM2
Mute-Att
100 dBµ
100 dBµ, the pin 13 output
0 dBµ, the pin 11 output
100 dBµ, the pin 11 output
100 dBµ, 100% modulation, the pin 16 output
[FM Stereo Characteristics] fc = 10.7 MHz, fm = 1 kHz, L + R = 90%, Pilot = 10%, 100 dBµ
Separation (left)
Separation (right)
Stereo on level
Stereo off level
Total harmonic distortion (main)
SepL
SepR
STON
STOFF
THD-main
Left channel modulated. The pin 16 output/the pin 17 output
Right channel modulated. The pin 17 output/the pin 16 output
The pilot modulation such that V7 falls under 0.7 V
The pilot modulation such that V7 rises to over 4.5 V
Left + right modulation. The pin 16 output.
Adjacent channel rejection ratio
Brej-3rd
Brej-5th
fs = 113 kHz, Vs = 90%, pilot = 10%
The left - right modulation 1 kHz demodulated output
with respect to the pin 16 output
fs = 189 kHz, Vs = 90%, pilot = 10%
The left - right modulation 1 kHz demodulated output
with respect to the pin 16 output
[AM Characteristics] fc = 1000 kHz, fm = 1 kHz
Current drain
Detector output
Signal-to-noise ratio
Total harmonic distortion
LED indicator on sensitivity
Local oscillator buffer output
IF counter buffer output
ST - IF output
S-meter output
ICCO-AM
VOAM1
VOAM2
S/NAM1
S/NAM2
THDAM1
THDAM2
SDOn-AM
VOSC-AM
VIFBuff-AM
VSTIF-AM
VSM-AM
With no input signal
23 dBµ, 30% modulation, the pin 16 output
80 dBµ, 30% modulation, the pin 16 output
23 dBµ, 30% modulation, the pin 16 output
80 dBµ, 30% modulation, the pin 16 output
80 dBµ, 30% modulation, the pin 16 output
80 dBµ, 80% modulation, the pin 16 output
With no input signal, the pin 30 output
80 dBµ, 100% modulation, the pin 13 output
80 dBµ, 100% modulation, the pin 7 output
0 dBµ, 100% modulation
min
18
730
–1.5
70
40
26
47
130
80
0
3.6
75
30
30
1.3
15
100
200
18
49
17
110
160
16
0
Ratings
typ
31
1100
0
0.3
77
55
32
57
210
120
0.1
4.3
85
45
45
2.7
1.5
0.3
40
40
25
180
320
22
55
0.4
1.0
27
160
220
34
0
Unit
max
44 mA
1460 mVrms
+1.5
dB
1.5
%
dB
dB
38 dBµ
67 dBµ
300 kHz
160 mVrms
0.5
V
5.0
V
dB
dB
dB
5
%
%
1.5
%
dB
dB
35 mA
360 mVrms
500 mVrms
dB
dB
1.2
%
4.0
%
37 dBµ
220 mVrms
300 mVrms
48 mVrms
0.2
V
No. 5888-2/9
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