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TH71112
868/915MHz
FSK/ASK Receiver
3
3.1
Technical Data
Absolute Maximum Ratings
Parameter
Symbol
Condition / Note
Min
Max
Unit
Supply voltage
Input voltage
Input RF level
Storage temperature
Junction temperature
Thermal Resistance
Power dissipation
V CC
V IN
P iRF
T STG
T J
R thJA
P diss
@ LNA input
0
- 0.3
-40
7.0
V cc +0.3
10
+125
+150
60
0.1
V
V
dBm
°C
°C
K/W
W
Electrostatic discharge
V ESD1
V ESD2
human body model, 3)
human body model, 4)
-1.0
-0.75
+1.0
+0.75
kV
all pins except OUT_LNA, IF1P and IF1N
pin OUT_LNA, IF1P and IF1N
3.2
Normal Operating Conditions
Parameter
Supply voltage
Operating temperature
Symbol
V CC, FSK
V CC, ASK
T A
Condition
0 °C to 85 °C
-20 °C to 85 °C
-40 °C to 85 °C
-40 °C to 85 °C
TH71112 E
Min
2.5
2.6
2.7
2.3
-40
Max
5.5
5.5
5.5
5.5
+85
Unit
V
oC
TH71112 C
-10
+70
Input low voltage (CMOS)
Input high voltage (CMOS)
V IL
V IH
ENRX pin
ENRX pin
0.7*V CC
0.3*V CC
V
V
Input frequency range
First IF range
Second IF range
f i
f IF1
f IF2
739.3
10
0.4
998.8
80
22
MHz
MHz
MHz
XOSC frequency
VCO frequency
f ref
f LO
set by the crystal
f LO = 16 ? f ref
25
800
29.063
930
MHz
MHz
Frequency deviation
FSK data rate
ASK data rate
? f
R FSK
R ASK
NRZ, C15 = NIP, 5)
NRZ, C16 = NIP, 5)
± 2.5
± 80
180
260
kHz
kbps
kbps
B IF = 400 kHz, P IN = -90 dBm
3.3
Crystal Parameters
Parameter
Crystal frequency
Load capacitance
Static capacitance
Series resistance
Symbol
f 0
C L
C 0
R 1
Condition
fundamental mode, AT
Min
25
10
Max
29.063
15
7
50
Unit
MHz
pF
pF
?
39010 71112
Rev. 016
Page 9 of 20
Data Sheet
Jun/12
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