參數(shù)資料
型號： LA1835
廠商： Sanyo Electric Co.,Ltd.
英文描述： Home Stereo Single-Chip Tuner IC with Electronic Tuning Support(帶電子調(diào)諧的家庭立體聲調(diào)諧器)
中文描述： 家用音響單芯片調(diào)諧器IC與電子調(diào)諧支持（帶電子調(diào)諧的家庭立體聲調(diào)諧器）
文件頁數(shù)： 2/14頁
文件大?。?/td> 468K
代理商： LA1835
Specifications
Maximum Ratings
at Ta = 25°C
Operating Conditions
at Ta = 25°C
Operating Characteristics
at Ta = 25°C, V
CC
= 7.0 V, in the specified test circuit using the IC59-3004 socket (Yamaichi Electric Co., Ltd.)
No. 4159-2/14
LA1835
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V
CC
V
CC
op
7.0
V
Operating supply voltage
6.5 to 8.5
V
Parameter
Symbol
Conditions
min
typ
max
Unit
[FM Characteristics (mono): fc = 10.7 MHz, fm = 1 kHz]
Quiescent current
I
CCO-FM
V
O-FM
C. B-momo
No input
23
37
46
mA
Demodulator output
100 dBμ, 100% modulation, the pin 16 output
665
1000
1330
mVrms
Channel balance (monaural)
100 dBμ, 100% modulation, pin 16 output/pin 17 output
–1.5
0
+1.5
dB
Total harmonic distortion
THD-
FM
S/N-
FM
AMR
100 dBμ, 100% modulation, the pin 16 output
0.3
1.5
%
Signal-to-noise ratio
100 dBμ, 100% modulation, the pin 16 output
67
74
dB
AM suppression ratio
100 dBμ, 30% AM modulation, the pin 16 output
35
50
dB
Input limiting voltage
–3dBL.S
100 dBμ, referenced to 100%, with the input down 3 dB
27
35
dBμ
SD indicator sensitivity
SD-on-
FM
SD-
BW
V
IF Buff-FM
V
SM-FM
(1)
V
SM-FM
(2)
V
SM-FM
(3)
Mute-Att
47
57
67
dBμ
SD indicator bandwidth
100 dBμ
120
190
280
kHz
IF counter buffer output
100 dBμ, the pin 11 output
80
120
160
mVrms
0 dBμ, the pin 12 output
0
0.3
1.0
V
S-meter output
60 dBμ, the pin 12 output
0.7
1.5
2.5
V
100 dBμ, the pin 12 output
2.5
4.0
5.0
V
Muting attenuation
100 dBμ, 100% modulation, the pin 16 output
80
95
dB
[FM Characteristics (stereo): fc = 10.7 MHz, fm = 1 kHz, L + R = 90%, pilot = 10%, V
IN
= 100 dBμ]
Separation-left
Sep-L
Left channel modulated; pin 17 output/pin 16 output
30
45
dB
Separation-right
Sep-R
Right channel modulated; pin 16 output/pin 17 output
30
45
dB
Stereo on level
ST-on
The pilot modulation such that V7 < 0.7 V
1.8
3.6
6.0
%
Stereo off level
ST-off
The pilot modulation such that V7 > 4.5 V
2.5
%
Total harmonic distortion (main)
THD-main
The pin 16 output
0.3
1.5
%
Channel balance (main)
C. B-main
Pin 16 output/pin 17 output
–1.5
0
+1.5
dB
Capture range
C. R.
Pilot = 10%
±1.5
%
Adjacent channel rejection ratio
B. Rej
fs = 113 kHz, VS = 90%, pilot = 10%, the pin 16 output
40
dB
[AM Characteristics: fc = 1000 kHz, fm = 1 kHz]
Quiescent current
I
CCO-AM
V
O-AM
(1)
V
O-AM
(2)
S/N-
AM
(1)
S/N-
AM
(2)
THD-
AM
(1) 80 dBμ, 30% modulation, the pin 16 output
THD-
AM
(2) 100 dBμ, 30% modulation, the pin 16 output
THD-
AM
(3) 80 dBμ, 80% modulation, the pin 16 output
SD-on-
AM
V
OSC-AM
No input, the pin 30 output
Low-Cut
The output for fm = 100 Hz referenced to fm = 1 kHz
No input
21
29
42
mA
Detector output
23 dBμ, 30% modulation, the pin 16 output
25
45
90
mVrms
80 dBμ, 30% modulation, the pin 16 output
195
310
490
mVrms
Signal-to-noise ratio
23 dBμ, 30% modulation, the pin 16 output
16
20
dB
80 dBμ, 30% modulation, the pin 16 output
48
54
dB
0.3
1.0
%
Total harmonic distortion
0.4
1.2
%
1.0
4.0
%
SD indicator sensitivity
20
30
40
dBμ
Local oscillator buffer output
110
160
mVrms
Low-band attenuation
5.0
7.0
11.0
dB
IF counter buffer output
V
IF Buff-AM
V
STIF-AM
V
SM-AM
(1)
V
SM-AM
(2)
80 dBμ, unmodulated signal, the pin 11 output
140
200
280
mVrms
Stereo IF output
80 dBμ, unmodulated signal, the pin 8 output
8.0
17.0
24.0
mVrms
S-meter output
0 dBμ, unmodulated signal
0
0
0.2
V
40 dBμ, unmodulated signal
1.3
3.0
4.5
V
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
CC
max
Pd max
9.0
V
Allowable power dissipation
Ta
≤
70°C
550
mA
Operating temperature
Topr
–20 to +70
°C
Storage temperature
Tstg
–40 to +125
°C
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