Datasheet

E-mail:[e-mail] Rev1.0
RFM97CW
www.hoperf.com
Electrical Parameters
Testing Conditions: Power Supply 3.3V, Temperature 25℃
Table 2. Recommended operating conditions
Parameters
Symbol
Condition
Min
Typical
Max
Unit
Working
Voltage
VDD
1.8
3.3
3.7
V
Working
Temperature
T
-40
85
℃
Power supply
voltage slope
1
mV/us
Table 3. Absolute Rated Maximum
Parameters
Symbol
Condition
Min
Max
Unit
Supply Voltage
VDD
-0.5
3.9
V
Interface Voltage
VIN
-0.3
3.3
V
Junction
Temperature
TJ
-40
125
℃
Storage
Temperature
TSTG
-50
150
℃
Welding
Temperature
TSDR
At least 30s
255
℃
ESD Level[2]
HBM
-2
2
kV
Latch Current
@ 85 ℃
-100
100
mA
Table 4. Transmitting Parameters
Parameters
Condition
Min
Typical
Max
Unit
Transmission Frequency
Range
915 MHz
914.988
915
915.012
MHz
Transmitting Power
915MHz Vbat=3.3V
-
-
-
18.3
-
-
-
dBm
Power Reduction
16.3dBm Vbat=2.7V
15.3dBm Vbat=2.4V
12.3dBm Vbat=1.8V
-
-
-
2
3
6
-
-
-
dBm
Emission Current
915MHz
120
140
mA