XE1209 データシートの表示（PDF） - Semtech Corporation
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XE1209 Datasheet PDF : 10 Pages
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XE1209
Ultra Low Power CMOS Transceiver
5 ELECTRICAL SPECIFICATIONS
Electrical specifications are defined for VDD=2.6 V, Temp=25 °C, fc=36.86 kHz, and a data rate of 1820 bit/s, unless
otherwise specified.
Symb
Parameters
Conditions
Min
Typ
Max
Unit
IDDS1 Standby current
Oscillator stopped
-
0.15
1
µA
IDDS2 Standby current
Oscillator
active,
-
1
2
µA
VDD=3V, Temp= -10 to
+60°C, unloaded
IDD1 Supply current in carrier
detection mode (M2)
Temp = -10 to +60 °C
-
95
120
µA
IDD2 Supply current in receiver Temp = -10 to +60 °C
mode (M4)
-
200
300
µA
ISINK Sink current transmitter Load = resistance of 15 82
110
138
mA
mode (peak value)
ohms connected between
45
60
75
mA
VDD and pin PAOUT,
programmable through 23
30
37
mA
the 3-wire bus
5.65
7.5
9.35
mA
2.60
3.5
4.40
mA
1.35
1.80
2.25
mA
FREF PLL reference frequency
-
32.768
-
kHz
FR
PLL frequency
Programmable via 3-wire 588.65 589.82 591.00
kHz
bus
719.45 720.90 722.35
kHz
RIN RF differential input DC
resistance
500
1000
-
kΩ
CIN RF differential input
capacitance
-
25
-
pF
RFS RF sensitivity
Rsource=100Ω
BER=10-4
200
70
-
µVp
MAXIN Maximum RF effective
Without any parasitic
-
-
15
mV
input signal
signal
FC
Transmission carrier
frequency
-
36.86
-
kHz
-
45.05
-
kHz
ATT Adjacent channel
At RFSmin
11
23
-
dBc
rejection at f = 30.6 kHz Rsource=100Ω,BER=10-4
ATT3 Adjacent channel
At RFSmin
-1
3
-
dBc
rejection at f = 110.58 kHz Rsource=100Ω,BER=10-4
CMRR DC Common mode
At RFSmin
30
-
-
dB
DC
rejection ratio
Rsource=100Ω,BER=10-4
BW
Receiver -3dB Bandwidth FC=36.86 kHz, DSB
-
5000
-
Hz
DR
Data rate
-
1820
-
bit/s
FDEV Frequency deviation
FC=36.86 kHz
-
1872
-
Hz
PDL Carrier detector level
3 rising edges measured 140
200
260
µVp
at output in a 900us time 400
500
600
µVp
window
© Semtech 2005
www.semtech.com
5
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