MRF24J40 Datasheet, PDF (44/66 Pages) Microchip Technology – IEEE 802.15.4™ 2.4 GHz RF Transceiver

MRF24J40
TABLE 10-1: RECOMMENDED OPERATING CONDITIONS
Parameters
Min
Typ
Ambient Operating Temperature
-40
—
Supply Voltage for RF, Analog and Digital
2.4
—
Circuits
Supply Voltage for Digital I/O
2.4
3.3
Input High Voltage (VIH)
0.5 x VDD
—
Input Low Voltage (VIL)
-0.3
—
Max
+85
3.6
3.6
VDD + 0.3
0.2 x VDD
Units
°C
V
V
V
V
TABLE 10-2: CURRENT CONSUMPTION
Typical Values: TA = 25°C, VDD = 3.3V
Chip Mode
Condition
Sleep
TX
At maximum output power
RX
Legend: TBD = To Be Determined
Min
Typ
Max
Units
—
2
TBD
μA
—
22
TBD
mA
—
18
TBD
mA
TABLE 10-3: RECEIVER AC CHARACTERISTICS
Typical Values: TA = 25°C, VDD = 3.3V, LO Frequency = 2.445 GHz
Parameters
Condition
Min
RF Input Frequency
2.4
RF Sensitivity
At antenna input with O-QPSK signal
—
and 3.5 dB front end loss is assumed
Maximum RF Input LNA at high gain
+5
LO Leakage
Measured at balun matching network
—
input at frequency 2.405-2.48 GHz
Input Return Loss Externally matched to 50 source by a
-12
balun matching network
Noise Figure
—
(including matching)
Adjacent Channel @ +/- 5 MHz
30
Rejection
Alternate Channel @ +/- 10 MHz
40
Rejection
RSSI Range
—
RSSI Error
-5
Typ
Max
Units
—
2.483
GHz
-91
—
dBm
—
—
dBm
-60
—
dBm
-20
—
dB
8
—
dB
—
—
dB
—
—
dB
50
—
dB
—
5
dB
DS39776A-page 42
Advance Information
© 2006 Microchip Technology Inc.