TH71111
868/915MHz
FSK/FM/ASK Receiver
3
Technical Data
3.1 Absolute Maximum Ratings
Parameter
Supply voltage
Symbol
Condition / Note
Min
Max
Unit
VCC
VIN
0
7.0
Vcc+0.3
10
V
V
Input voltage
- 0.3
Input RF level
PiRF
TSTG
TJ
@ LNA input
dBm
°C
Storage temperature
Junction temperature
Thermal Resistance
Power dissipation
-40
+125
+150
60
°C
RthJA
Pdiss
VESD1
VESD2
K/W
W
0.1
human body model, 3)
human body model, 4)
-1.0
+1.0
+0.75
Electrostatic discharge
kV
-0.75
3) all pins except OUT_LNA, IF1P and IF1N
4) pin OUT_LNA, IF1P and IF1N
3.2 Normal Operating Conditions
Parameter
Symbol
Condition
Min
Max
Unit
VCC, FSK
0 °C to 85 °C
-20 °C to 85 °C
-40 °C to 85 °C
2.5
2.6
2.7
2.3
-40
5.5
5.5
Supply voltage
V
5.5
VCC, ASK -40 °C to 85 °C
TA
5.5
Operating temperature
Input low voltage (CMOS)
Input high voltage (CMOS)
Input frequency range
IF range
+85
ºC
V
VIL
VIH
fi
ENRX pin
ENRX pin
0.3*VCC
0.7*VCC
789.3
0.4
V
940.7
22
MHz
MHz
MHz
MHz
kHz
kbps
kbps
kHz
fIF
XOSC frequency
VCO frequency
fref
fLO
set by the crystal
fLO = 16 • fref
at FSK or FM
25
29.063
930
800
Frequency deviation
FSK data rate
Δf
RFSK
RASK
fm
±2.5
±80
180
260
15
NRZ, C15 = NIP, 5)
NRZ, C16 = NIP, 5)
ASK data rate
FM bandwidth
5) BIF = 400 kHz, PIN = -90 dBm
3.3 Crystal Parameters
Parameter
Symbol
Condition
Min
Max
Unit
Crystal frequency
Load capacitance
Static capacitance
Series resistance
f0
fundamental mode, AT
25
10
29.063
MHz
pF
CL
C0
R1
15
7
pF
50
Ω
39010 71111
Rev. 013
Page 9 of 22
Data Sheet
June/07
MELEXIS [ Melexis Microelectronic Systems ]
