TH72036_12 Datasheet, PDF (8/15 Pages) Melexis Microelectronic Systems – FSK/ASK Transmitter

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
Condition
V_CC
V_IN
T_STG
T_J
R_thJA
P_diss
V_ESD
human body model (HBM)
according to CDF-AEC-
Q100-002
Min
0
-0.3
-65
±2.0
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
Operating temperature
Input low voltage CMOS
Input high voltage CMOS
XOSC frequency
VCO frequency
Clock frequency
FSK deviation
FSK Data rate
ASK Data rate
Symbol
Condition
V_CC
T_A
V_IL EN, FSKDTA
V_IH EN, FSKDTA
f_ref set by the crystal
f_c
f_c = 32 • f_ref
f_CLK CKDIV=0, f_CLK = f_ref / 8
CKDIV=1, f_CLK = f_ref / 32
∆f depending on CX1, CX2
and crystal parameters
R NRZ
R NRZ
Min
1.95
-40
0.7*V_CC
26.6
850
3.3
831
±2.5
Max
5.5
125
0.3*V_CC
29
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
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. 009
Page 8 of 15
Data Sheet
Jun/12