TH71112 Просмотр технического описания (PDF) - Melexis Microelectronic Systems
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TH71112 Datasheet PDF : 22 Pages
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TH71112
868/915MHz
FSK/FM/ASK Receiver
3 Technical Data
3.1 Absolute Maximum Ratings
Parameter
Symbol
Condition / Note
Supply voltage
Input voltage
Input RF level
Storage temperature
Junction temperature
Thermal Resistance
Power dissipation
Electrostatic discharge
VCC
VIN
PiRF
TSTG
TJ
RthJA
Pdiss
VESD1
VESD2
@ LNA input
human body model, 3)
human body model, 4)
3) all pins except OUT_LNA, IF1P and IF1N
4) pin OUT_LNA, IF1P and IF1N
3.2 Normal Operating Conditions
Parameter
Supply voltage
Operating temperature
Input low voltage (CMOS)
Input high voltage (CMOS)
Input frequency range
First IF range
Second IF range
XOSC frequency
VCO frequency
Frequency deviation
FSK data rate
ASK data rate
FM bandwidth
5) BIF = 400 kHz, PIN = -90 dBm
Symbol
Condition
VCC, FSK
VCC, ASK
TA
VIL
VIH
fi
fIF1
fIF2
fref
fLO
Δf
RFSK
RASK
fm
0 °C to 85 °C
-20 °C to 85 °C
-40 °C to 85 °C
-40 °C to 85 °C
ENRX pin
ENRX pin
set by the crystal
fLO = 16 • fref
at FSK or FM
NRZ, C15 = NIP, 5)
NRZ, C16 = NIP, 5)
3.3 Crystal Parameters
Parameter
Crystal frequency
Load capacitance
Static capacitance
Series resistance
Symbol
Condition
f0
fundamental mode, AT
CL
C0
R1
39010 71112
Rev. 013
Page 9 of 22
Min
0
- 0.3
-40
-1.0
-0.75
Max
7.0
Vcc+0.3
10
+125
+150
60
0.1
+1.0
+0.75
Unit
V
V
dBm
°C
°C
K/W
W
kV
Min
2.5
2.6
2.7
2.3
-40
0.7*VCC
739.3
10
0.4
25
800
±2.5
Max
5.5
5.5
5.5
5.5
+85
0.3*VCC
998.8
80
22
29.063
930
±80
180
260
15
Unit
V
ºC
V
V
MHz
MHz
MHz
MHz
MHz
kHz
kbps
kbps
kHz
Min
Max
Unit
25
29.063
MHz
10
15
pF
7
pF
50
Ω
Data Sheet
June/07
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