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1145M PDF预览

1145M

更新时间: 2022-09-10 23:48:26
品牌 Logo 应用领域
三洋 - SANYO /
页数 文件大小 规格书
17页 472K
描述
FM IF System (Quadrature Detector) for Car Radio

1145M 数据手册

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LA1145, 1145M  
Specifications  
[LA1145]  
Maximum Ratings at Ta = 25 °C  
Parameter  
Symbol  
Conditions  
Pin 12  
Ratings  
14  
Unit  
V
Maximum supply voltage  
Maximum supply current  
Allowable power dissipation  
V
max  
max  
CC  
I
Pin 12  
45  
630  
mA  
mW  
mW  
°C  
CC  
Pd max  
Ta = 65 °C  
Ta = 70°C  
590  
Operating temperature  
Storage temperature  
Topr  
Tstg  
–20 to +70  
–40 to +150  
°C  
Operating Conditions at Ta = 25 °C  
Parameter  
Symbol  
Conditions  
Ratings  
8
Unit  
V
Recommended supply voltage  
Operating voltage range  
V
CC  
op  
V
7.5 to 14  
V
CC  
Operating Characteristics at Ta = 25°C,VCC = 8 V, fin = 10.7 MHz  
Parameter  
Quiescent current  
Symbol  
Conditions  
min  
18  
typ  
max  
36  
36  
Unit  
mA  
mA  
I
V
V
V
V
= 0 dBμ  
26  
29  
CCO  
IN  
IN  
IN  
IN  
Current drain  
I
= 100 dBμ  
20  
CC  
Demodulation output  
V
= 100 dBμ, 400 Hz tone, 100%  
300  
400  
520 mVrms  
O
= 100 dBμ, 400 Hz tone, 100%,  
single tuning coil  
Total harmonic distortion  
THD  
S/N  
0.3  
0.8  
%
Signal-to-noise ratio  
Input limiting voltage  
Muting sensitivity  
Muting bandwidth  
V
= 100 dBμ, 400 Hz tone, 100%  
79  
34  
85  
40  
dB  
IN  
V
(lim)  
400 Hz tone, 100%, soft mute ON  
46  
42  
dBμ  
dBμ  
kHz  
IN  
(mute)  
V
V
V
V
= 2 V  
30  
36  
IN  
15  
IN  
IN  
BW(mute)  
= 100 dBμ, V % 0.3 V  
18  
140  
190  
280  
= 100 dBμ, V = 2 V,  
15  
mute(1)  
10  
25  
15  
29  
20  
33  
dB  
dB  
400 Hz tone, 100%  
Muting attenuation  
V
= 100 dBμ, V = 4 V,  
IN  
15  
mute(2)  
400Hz tone, 100%  
V
V
V
V
V
V
V
V
V
V
= 0 dBμ, R = 10 kΩ, pin 16  
0
1.4  
0.1  
2.3  
4.5  
5.5  
4.8  
0
0.4  
3.2  
5.5  
6.0  
5.5  
0.3  
V
V
16-0  
IN  
IN  
IN  
IN  
IN  
IN  
IN  
IN  
IN  
A
V
= 50 dBμ, R = 10 kΩ, pin 16  
16-50  
A
Signal strength indication output  
V
= 70 dBμ, R = 10 kΩ, pin 16  
2.5  
V
16-70  
A
V
= 100 dBμ, R = 10 kΩ, pin 16  
5.0  
V
16-100  
A
V
= 0 dBμ, pin 15  
4.0  
V
15-0  
Muting drive output  
AM rejection ratio  
Offset voltage  
V
= 100 dBμ, pin 15  
0
dB  
dB  
V
15-100  
AMR  
= 100 dBμ, 1 kHz tone, 30% AM  
= 0 dBμ, pins 7 to 11  
= 0 dBμ, pin 8 to 11  
57  
70  
0
V
V
–0.25  
–0.5  
50  
+0.25  
+0.5  
66  
7-11  
0
V
8-11  
SD sensitivity  
V
Pin 18  
58  
180  
dBμ  
SD  
(IF)  
IF count output level  
V
V
= 100 dBμ, pin 13, C = 10 pF  
110  
280 mVrms  
IN  
IN  
L
[LA1145M]  
Maximum Ratings at Ta = 25 °C  
Parameter  
Symbol  
Conditions  
Ratings  
Unit  
V
Maximum supply voltage  
Maximum supply current  
Allowable power dissipation  
V
max  
max  
Pin 13  
Pin 13  
14  
CC  
I
45  
mA  
mW  
CC  
Pd max  
Ta = 70°C, mounted on PC board,  
independent IC  
630  
Ta = 25°C, mounted on PC board,  
Independent IC  
630  
mW  
Operating temperature  
Storage temperature  
Topr  
Tstg  
–20 to +70  
°C  
°C  
–40 to +125  
No. 2725-2/17  

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