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參數資料
| 型號： | LA1844M |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 調諧器 |
| 英文描述： | 2-BAND, AUDIO TUNER, PDIP24 |
| 封裝： | 0.300 INCH, DIP-24 |
| 文件頁數： | 4/11頁 |
| 文件大小： | 821K |
| 代理商： | LA1844M |
LA1844,LA1844M
No.7930A-2/11
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
9V
Ta
≤ 45°C
400
mW
Allowable power dissipation
Pd max
Ta
≤ 80°C
260
mW
Operating temperature
Topr
-20 to +80
°C
Storage temperature
Tstg
-20 to +150
°C
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
5V
Operating supply voltage range
VCC op
4.3 to 8.0
V
Electrical Characteristics at Ta
= 25°C
FM Mono Characteristics at fC = 10.7MHz, VCC = 5V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Current drain
ICCO-FM
With no input signal
18
28
38
mA
Demodulator output
VOFM
100dB
, 100% modulation, fm = 1kHz
210
330
420
mVrms
Total harmonic distortion
THDFM mono
100dB
, 100% modulation, fm = 1kHz
0.35
1.5
%
Signal-to-noise ratio
S/NFM
100dB
, 100% modulation, fm = 1kHz
73
80
dB
AM rejection ratio
AMR
100dB
, AM 30% modulation, fm = 1kHz
47
65
dB
3dB sensitivity
Vi-limit
100dB
, 100% modulation,
fm = 1kHz output reference, -3dB input
32
40
dB
SD sensitivity
LED Sens
0% modulation
37
47
57
dB
IF counter buffer output
VIFBuff-FM
100dB
200
275
400
mVrms
Mute attenuation
Mute-Att
100dB
, 100% modulation, fm = 1kHz
76
dB
FM Stereo Characteristics at fC = 10.7MHz, 100dB, VCC = 5V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Separation
Sep
L+R = 90%, Pilot = 10%, fm = 1kHz
30
42
dB
Stereo on level
STON
Pilot input
1.5
3.5
5.5
%
Total harmonic distortion
THD-main
Pilot input
0.45
1.5
%
Adjacent channel rejection ratio 1
BR1
fs = 113kHz, Vs = 90%, pilot = 10% :
The left - right modulation, demodulated output
36
dB
Adjacent channel rejection ratio 2
BR2
fs = 189kHz, Vs = 90%, pilot = 10% :
The left - right modulation, demodulated output
41
dB
Carrier leak
CL
L+R = 90%, pilot = 10% reference,
pilot = 10% output
38
44
dB
AM Characteristics at fC = 1000kHz, VCC = 5V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Current drain
ICCO-AM
With no input signal
11
22
33
mA
VOAM1
23dB
, 30% modulation, fm = 1kHz
40
80
160
mVrms
Detector output
VOAM2
80dB
, 30% modulation, fm = 1kHz
90
160
230
mVrms
S/NAM1
23dB
, 30% modulation, fm = 1kHz
17
23
dB
Signal-to-noise ratio
S/NAM2
80dB
, 30% modulation, fm = 1kHz
48
54
dB
THDAM1
80dB
, 30% modulation, fm = 1kHz
0.4
1.1
%
Total harmonic distortion
THDAM2
107dB
, 30% modulation, fm = 1kHz
0.5
1.3
%
SD sensitivity
SD-Sens
0% modulation
11
21
31
dB
Local oscillator buffer output
VOSC-AM
With no input signal
100
140
200
mVrms
IF counter buffer output
VIFBuff-AM
23dB
140
285
400
mVrms
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LA1844MC | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Linear IC For Home Stereo Single-chip Tuner IC |
| LA1844MC-AH | 功能描述:調諧器 RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數: 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| LA1845N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip Home Stereo IC |
| LA1845N_09 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Home Stereo IC Single-Chip Tuner IC |
| LA1845NM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip Home Stereo IC |
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