- 您现在的位置：买卖IC网 > PDF目录30715 > LA1838 AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP30 PDF资料下载
参数资料
| 型号： | LA1838 |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP30 |
| 封装： | SDIP-30 |
| 文件页数： | 2/9页 |
| 文件大小： | 110K |
| 代理商： | LA1838 |
Specifications
Maximum Ratings at Ta = 25°C
Operating Conditions at Ta = 25°C
Operating Characteristics at Ta = 25°C, VCC = 9 V, in the specified test circuit.
No. 5888-2/9
LA1838
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
12
V
Allowable power dissipation
Pd max
Ta
≤ 70°C
550
mW
Operating temperature
Topr
–20 to +70
°C
Storage temperature
Tstg
–40 to +125
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
9
V
Operating supply voltage range
VCCop
7 to 11
V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[FM Mono Characteristics] fc = 10.7 MHz, fm = 1 kHz
Current drain
ICCO-FM
With no input signal
18
31
44
mA
Demodulator output
VOFM
100 dB, 100% modulation, the pin 16 output
730
1100
1460
mVrms
Channel balance
C.B-mono
100 dB, 100% modulation, the pin 16 output/the
–1.5
0
+1.5
dB
pin 17 output
Total harmonic distortion (mono)
THDFM
100 dB, 100% modulation, the pin 16 output
0.3
1.5
%
Signal-to-noise ratio
S/NFM
100 dB, 100% modulation, the pin 16 output
70
77
dB
AM rejection ratio
AMR
100 dB, AM 30% modulation, the pin 16 output
40
55
dB
Input limiting voltage
–3dBL.S
100 dB, 100% modulation, referenced to the output,
26
32
38
dB
the input when the output is down by –3 dB
LED indicator on sensitivity
SDOn-FM
47
57
67
dB
LED indicator on bandwidth
SDBW
100 dB
130
210
300
kHz
IF counter buffer output
VIFBuff-FM
100 dB, the pin 13 output
80
120
160
mVrms
S-meter output
VSM-FM1
0 dB, the pin 11 output
0
0.1
0.5
V
VSM-FM2
100 dB, the pin 11 output
3.6
4.3
5.0
V
Mute attenuation
Mute-Att
100 dB, 100% modulation, the pin 16 output
75
85
dB
[FM Stereo Characteristics] fc = 10.7 MHz, fm = 1 kHz, L + R = 90%, Pilot = 10%, 100 dB
Separation (left)
SepL
Left channel modulated. The pin 16 output/the pin 17 output
30
45
dB
Separation (right)
SepR
Right channel modulated. The pin 17 output/the pin 16 output
30
45
dB
Stereo on level
STON
The pilot modulation such that V7 falls under 0.7 V
1.3
2.7
5
%
Stereo off level
STOFF
The pilot modulation such that V7 rises to over 4.5 V
1.5
%
Total harmonic distortion (main)
THD-main
Left + right modulation. The pin 16 output.
0.3
1.5
%
fs = 113 kHz, Vs = 90%, pilot = 10%
Brej-3rd
The left - right modulation 1 kHz demodulated output
40
dB
Adjacent channel rejection ratio
with respect to the pin 16 output
fs = 189 kHz, Vs = 90%, pilot = 10%
Brej-5th
The left - right modulation 1 kHz demodulated output
40
dB
with respect to the pin 16 output
[AM Characteristics] fc = 1000 kHz, fm = 1 kHz
Current drain
ICCO-AM
With no input signal
15
25
35
mA
Detector output
VOAM1
23 dB, 30% modulation, the pin 16 output
100
180
360
mVrms
VOAM2
80 dB, 30% modulation, the pin 16 output
200
320
500
mVrms
Signal-to-noise ratio
S/NAM1
23 dB, 30% modulation, the pin 16 output
18
22
dB
S/NAM2
80 dB, 30% modulation, the pin 16 output
49
55
dB
Total harmonic distortion
THDAM1
80 dB, 30% modulation, the pin 16 output
0.4
1.2
%
THDAM2
80 dB, 80% modulation, the pin 16 output
1.0
4.0
%
LED indicator on sensitivity
SDOn-AM
17
27
37
dB
Local oscillator buffer output
VOSC-AM
With no input signal, the pin 30 output
110
160
220
mVrms
IF counter buffer output
VIFBuff-AM
80 dB, 100% modulation, the pin 13 output
160
220
300
mVrms
ST - IF output
VSTIF-AM
80 dB, 100% modulation, the pin 7 output
16
34
48
mVrms
S-meter output
VSM-AM
0 dB, 100% modulation
0
0.2
V
相关PDF资料 |
PDF描述 |
|---|---|
| LA1844M | 2-BAND, AUDIO TUNER, PDIP24 |
| LA1844M | 2-BAND, AUDIO TUNER, PDIP24 |
| LA1844 | 2-BAND, AUDIO TUNER, PDSO24 |
| LA1844 | 2-BAND, AUDIO TUNER, PDSO24 |
| LA1845NM | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO24 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LA183B-1-230-A-PF | 制造商:LIGITEK 制造商全称:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA183B-1-230-C-PF | 制造商:LIGITEK 制造商全称:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA183B-1-230-D | 制造商:LIGITEK 制造商全称:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA183B-1-230-E | 制造商:LIGITEK 制造商全称:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA183B-1-230-E-PF | 制造商:LIGITEK 制造商全称:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
发布紧急采购，3分钟左右您将得到回复。