User's Manual

© 2008 Microchip Technology Inc. Advance Information DS00000A-page 17
MRF24J40MA
5.0 ELECTRICAL CHARACTERISTICS
TABLE 1: RECOMMENDED OPERATING CONDITIONS
TABLE 2: CURRENT CONSUMPTION
(TA = 25°C, VDD = 3.3V)
TABLE 3: RECEIVER AC CHARACTERISTICS
Typical values are at TA = 25°C, VDD = 3.3V, LO frequency = 2.445 GHz
Parameters Min Typ Max Units
Ambient Operating Temperature -40 — +85 °C
Supply Voltage for RF, Analog and
Digital Circuits
2.4 — 3.6 V
Supply Voltage for Digital I/O 2.4 3.3 3.6 V
Input High Voltage (V
IH) 0.5 x VDD —VDD + 0.3 V
Input Low Voltage (VIL) -0.3 — 0.2 x VDD V
Chip Mode Condition Min Typ Max Units
Sleep — 2 — μA
TX At maximum output power — 22 — mA
RX — 18 — mA
Parameters Condition Min Typ Max Units
RF Input Frequency Compatible to IEEE Std. 802.15.4-
2003
2.405 — 2.480 GHz
RF Sensitivity At antenna input with O-QPSK signal
and 3.5 dB front-end loss is assumed
—-95—dBm
Maximum RF Input +5 — — dBm
LO Leakage Measured at balun matching network
input at frequency 2.405-2.48 GHz
—-60—dBm
Input Return Loss External matched to 50 source by a
balun matching network
-8 -12 — dB
Noise Figure
(including matching)
—8—dB
Adjacent Channel
Rejection
@ +/-5 MHz 30 — — dB
Alternate Channel
Rejection
@ +/-10 MHz 40 — — dB
RSSI Range — 50 — dB
RSSI Error -5 — 5 dB