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參數(shù)資料
| 型號(hào)： | XE1218A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Low Power single die FM receiver |
| 中文描述： | 低功耗單芯片F(xiàn)M接收器 |
| 文件頁(yè)數(shù)： | 5/11頁(yè) |
| 文件大小： | 192K |
| 代理商： | XE1218A |
5
D0204-157
Datasheet XE1218A: Low
Power single die FM receiver
2.3 Application example
To tune the above circuit to a carrier frequency of 160.325MHz, the following external components must be
implemented:
L1
L2
L3
L4
The value of the capacitors given here may change slightly for different PCBs.
56nH-5%
56nH-5%
180nH-5%
120nH – 5%
C1
C2
C3
C4
12pF-5%
10pF- 15pF-5%
10nF-5%
22pF-5%
C5
R1
Xtal
A1
2pF - 6pF-5%
100k
- 10%
160.325MHz
Wire l > 40mm
3. Electrical characteristics
3.1 Absolute maximum ratings
Parameter
Min
Max
Supply voltage
Storage Temperature
-0.3V
-55°C
2.5V
+125°C
Stress beyond those listed under absolute maximum ratings may cause permanent damage to the XE1218
device. These are stress ratings only, and functional operation of the device at these or any other condition
beyond those under “recommended operating conditions” is not implied. Exposure to “absolute maximum
ratings” conditions for extended periods may affect the device reliability.
3.2 Recommended operating conditions and electrical specifications
General conditions: Temp = 25°C, VDD= 1.3V, Carrier Frequency=160MHz, unless otherwise specified
Symbol
Description
Condition
Min
Typ.
Max
Unit
Electrical supply parameters
VDD
IDD
Power supply
Supply current
1.1
1.3
2.5
1.6
4.5
V
Receiver ON, without
earphone PA enabled
Operating temperature range
Radio Frequency parameters
Input range
Maximum deviation of the
incoming modulated signal
Crystal ageing and
temperature drift not
accounted for
f
modulated
= 1kHz, f
dev
= 3kHz
f
unwanted
= f
Rfin
+ 100kHz
f
modulated
= 1kHz, f
dev
= 3kHz
P
in
= RFS + 10dBm
SINAD = 10dB
Audio parameters
Fdev = 3kHz
mA
TEMP
-10
+40
°C
RF-IN
F-DEV
Carrier frequency
Deviation frequency
130
230
8
MHz
kHz
LO-D
Local Oscillator shift
±20
ppm
RFS
ACR
RF input sensitivity
Adjacent channel
rejection
-100
50
dBm
dB
AOB
Audio Output
bandwidth (typical)
Audio distortion on
PA output (EAR)
0.1
6
kHz
AOD
Only relevant if using the
direct earphone connection
f
modulated
= 1kHz, f
dev
= 5kHz
R
vol
= 100k
P
in
= -60dBm, BW = 20kHz
2
8
%
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