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NJM2549 参数 Datasheet PDF下载

NJM2549图片预览
型号: NJM2549
PDF下载: 下载PDF文件 查看货源
内容描述: WIDE BAND FM IF解调器 [WIDE BAND FM IF DEMODULATOR]
分类和应用:
文件页数/大小: 18 页 / 242 K
品牌: NJRC [ NEW JAPAN RADIO ]
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NJM2549  
ABSOLUTE MAXIMUM RATINGS  
(Ta=25°C)  
UNIT  
PARAMETER  
Supply Voltage  
SYMBOL  
RATINGS  
V+  
10  
V
mW  
°C  
Power Dissipation  
P D  
300  
Operating Temperature  
Storage Temperature  
T o p r  
T s t g  
- 40 to + 85  
- 50 to + 125  
°C  
RECOMMENDED OPERATIONAL CONDITION  
(Ta=25°C)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN.  
2.7  
TYP.  
MAX.  
UNIT  
Supply Voltage  
V+  
3
9
V
ELECTRICAL CHARACTERISTICS  
(Ta = 25°C, V+ = 3V, IF IN = 10.7MHz / 80dBuV, fdev = ± 10kHz, fmod = 1kHz, unless otherwise noted)  
PARAMETER  
Current Consumption  
IF  
SYMBOL  
TEST CONDITIONS  
No Signal,  
MIN.  
TYP.  
MAX.  
UNIT  
Iccq  
-
3
3.7  
mA  
Test Circuit 1  
IF IN = 20dBuV ,  
Test Circuit 4  
IF Input / Output Gain  
GIF  
fIF1  
70  
-3  
75  
0
80  
3
dB  
dB  
The ratio from the gain at 10.7MHz  
to the gain at 1MHz,  
Test Circuit 4  
The ratio from the gain at 10.7MHz  
to the gain at 15MHz,  
Test Circuit 4  
IF Output Gain Frequency  
Characteristics  
fIF2  
-4  
-1  
2
2 - 4 pin Resistance,  
Test Circuit 3  
RL = 15k, No Modulation,  
Test Circuit 4  
RL = 15k, No Modulation,  
Test Circuit 4  
No Signal,  
IF Amplifier Input Resistance  
IF Output Level  
RI IF  
VO IF  
DRIF  
IOIF  
8.5  
350  
44  
10  
425  
50  
11.5  
500  
58  
kΩ  
mVpp  
%
Duty Ratio of Wave IF Output  
IF Output Current  
230  
290  
350  
uA  
Test Circuit 4  
Ver.2010-06-24  
- 2 -  
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