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參數(shù)資料
| 型號(hào)： | TDA7220D |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | VERY LOW VOLTAGE AM-FM RADIO |
| 中文描述： | 極低電壓上午，調(diào)頻收音機(jī) |
| 文件頁數(shù)： | 9/16頁 |
| 文件大小： | 381K |
| 代理商： | TDA7220D |
Figure 15 :
DC OutputVoltage (Pin 9) versus
SupplyVoltage (FMsection)
Figure 16 :
AFC Output Voltage (Pin9) versus
Frequency Deviation (FM section)
Figure 17 :
Drain Current versus Supply Voltage
APPLICATION INFORMATION
TYPICALPERFORMANCE OF THE RADIO RECEIVER OF FIGURE 18 (V
S
= 3V, R
L
= 32
)
Parameter
Test Conditions
Value
87.5 to 108
510 to 1620
3
2
10
0.5
1.8
1.1
60
45
40
16
1.6 to 3
Unit
MHz
kHz
μ
V
μ
V
μ
V
%
%
%
dB
dB
dB
mA
V
Wavebands
FM
AM
FM
AM
AM
Sensitivity
S/N = 26dB,
f = 22.5kHz
S/N = 6dB, m = 0.3
S/N = 26dB, m = 0.3
Distortion
(f
m
= 1kHz)
FM
P
O
= 20mW
V
I
= 100
μ
V
f = 22.5kHz
f = 75kHz
m = 0.3
f = 22.5kHz
m = 0.3
AM
FM
AM
FM
Signal to Noise
(f
m
= 1kHz)
P
O
= 20mW
V
I
= 100
μ
V
V
I
= 100
μ
V,
f = 22.5kHz, m = 0.3
Amplitude Modulation Rejection
Quiescent Current
Supply Voltage Range
TDA7220
9/16
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