TH72036 Datasheet, PDF (8/16 Pages) Melexis Microelectronic Systems – 868/915MHz FSK/ASK Transmitter

TH72036
868/915MHz
FSK/ASK Transmitter
4 Electrical Characteristics
4.1 Absolute Maximum Ratings
Parameter
Symbol
Condition
Min
Max
Supply voltage
V_CC
0
7.0
Input voltage
V_IN
-0.3
V_CC+0.3
Storage temperature
T_STG
-65
150
Junction temperature
T_J
150
Thermal Resistance
R_thJA
49
Power dissipation
P_diss
0.12
PRELIMINARY ^{Electrostatic discharge}
V_ESD human body model (HBM)
±2.0
according to CDF-AEC-
Q100-002
4.2 Normal Operating Conditions
Parameter
Supply voltage
Operating temperature
Input low voltage CMOS
Input high voltage CMOS
Symbol
Condition
V_CC
T_A
V_IL EN, FSKDTA
V_IH EN, FSKDTA
Min
1.95
-40
0.7*V_CC
Max
5.5
125
0.3*V_CC
XOSC frequency
f_ref set by the crystal
26.6
29
VCO frequency
f_c
f_c = 32 • f_ref
850
930
Clock frequency
f_CLK CKDIV=0, f_CLK = f_ref / 8
3.3
3.6
CKDIV=1, f_CLK = f_ref / 32
831
906
FSK deviation
Δf depending on CX1, CX2
±2.5
±40
and crystal parameters
FSK Data rate
R NRZ
40
ASK Data rate
R NRZ
40
Unit
V
V
°C
°C
K/W
W
kV
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
Condition
f₀ fundamental mode, AT
C_L
C₀
R₁
a_spur only required for FSK
Min
Max
Unit
26.6
29
MHz
10
15
pF
7
pF
50
Ω
-10
dB
3901072036
Rev. 005
Page 8 of 16
Data Sheet
June/07