User Guide
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HumPRO
TM
Series Transceiver Specifications
Parameter Symbol Min. Typ. Max. Units Notes
Output
Logic Low, MODE_IND,
BE
V
OLM
0.3*V
CC
VDC 1,9
Logic High, MODE_IND,
BE
V
OHM
0.7*V
CC
VDC 1,9
Logic Low V
OL
0.3*V
CC
1,10
Logic High V
OH
0.7*V
CC
1,10
CRESP Hold Time 10 Bits 11
Flash (Non-Volatile) Memory Specifications
Flash Write Cycles
22,000
cycles
12
HumPRO
TM
Series Transceiver Specifications
Parameter Symbol Min. Typ. Max. Units Notes
Receiver Section
Spurious Emissions –47 dBm
IF Frequency 304.7 kHz
Receiver Sensitivity 5
@min rate –98 –101 dBm 5
@max rate –91 –94 dBm 5
RSSI Dynamic Range 85 dB
CSMA RSSI Threshold –70 dBm
Transmitter Section
Max Output Power P
O
+8.5 +9.5 dBm 6
Harmonic Emissions P
H
–41 dBc 6
Output Power Range P
H
–5 9 dB 6
Antenna Port
RF Impedance R
IN
50 Ω 4
Environmental
Operating Temp. Range −40 +85 ºC 4
Timing
Module Turn-On Time
Via V
CC
63 173 ms 4
Via POWER_DOWN 4 ms 4
Via Standby 4 ms 4
Serial Command Response
Volatile R/W 0.4 5 ms 8
NV Update 2.4 31.5 ms 8
Factory Reset 204 329 ms 14
Channel Dwell Time 400 ms
CMD low to trigger TX with
option TXnCMD
t
TXnCMD
2 ms 13
Interface Section
UART Data rate 9,600 115,200 bps
Input
Logic Low V
IL
0.3*V
CC
VDC
Logic High V
IH
0.7*V
CC
VDC
1. Measured at 3.3V V
CC
2. Measured at 25ºC
3. Input power < -60dBm
4. Characterized but not tested
5. PER = 1%
6. Into a 50-ohm load
7. No RF interference
8. From end of command to start of
response
9. 60mA source/sink
10. 6mA source/sink
11. End of CMD_DATA_OUT stop bit to
change in CRESP
12. Number of register write operations
13. With CSMA disabled
14. Start of factory reset command to end
of last ACK response
Figure 4: Electrical Specifications
Typical Performance Graphs
Figure 5: HumPRO
TM
Series Transceiver Max Output Power vs. Supply Voltage - HUM-900-PRO
8.5
9.0
9.5
10.0
10.5
11.0
2.0 2.5 3.3 3.6
TX Output Power (dBm)
Supply Voltage (V)
85°C
25°C
-40°C