TH72036
868/915MHz
FSK/ASK Transmitter
4 Electrical Characteristics
4.1 Absolute Maximum Ratings
Parameter
Supply voltage
Input voltage
Storage temperature
Junction temperature
Thermal Resistance
Power dissipation
Electrostatic discharge
Symbol
V
CC
V
IN
T
STG
T
J
R
thJA
P
diss
V
ESD
human body model (HBM)
according to CDF-AEC-
Q100-002
±2.0
Condition
Min
0
-0.3
-65
Max
7.0
V
CC
+0.3
150
150
49
0.12
Unit
V
V
°C
°C
K/W
W
kV
4.2 Normal Operating Conditions
Parameter
Supply voltage
Symbol
V
CC
T
A
V
IL
f
ref
f
c
f
CLK
Δf
R
R
Operating temperature
Input low voltage CMOS
XOSC frequency
VCO frequency
Clock frequency
FSK deviation
FSK Data rate
ASK Data rate
Input high voltage CMOS
Y
R
A
IN
IM
L
E
R
P
Condition
Min
-40
Max
5.5
125
1.95
EN, FSKDTA
EN, FSKDTA
0.3*V
CC
29
V
IH
0.7*V
CC
26.6
850
3.3
831
±2.5
set by the crystal
f
c
= 32
•
f
ref
CKDIV=0, f
CLK
= f
ref
/ 8
CKDIV=1, f
CLK
= f
ref
/ 32
depending on CX1, CX2
and crystal parameters
NRZ
NRZ
930
3.6
906
±40
40
40
Unit
V
°C
V
V
MHz
MHz
MHz
kHz
kHz
kbit/s
kbit/s
4.3 Crystal Parameters
Parameter
Crystal frequency
Load capacitance
Static capacitance
Series resistance
Spurious response
Symbol
f
0
C
L
C
0
R
1
a
spur
only required for FSK
Condition
fundamental mode, AT
Min
26.6
10
Max
29
15
7
50
-10
Unit
MHz
pF
pF
Ω
dB
3901072036
Rev. 005
Page 8 of 16
Data Sheet
June/07
MELEXIS [ Melexis Microelectronic Systems ]
