User Manual

© 2011 Microchip Technology Inc. Preliminary DS00000A-page 25
MRF24J40MC
4.0 ELECTRICAL CHARACTERISTICS
TABLE 4-1: RECOMMENDED OPERATING CONDITIONS
Parameters Min Typ Max Units
Ambient Operating Temperature –40 — +85 °C
Supply Voltage for RF, Analog and
Digital Circuits
2.7 — 3.6 V
Supply Voltage for Digital I/O 2.7 3.3 3.6 V
Input High Voltage (VIH) 0.5 x VDD — VDD + 0.3 V
Input Low Voltage (VIL) –0.3 — 0.2 x VDD V
TABLE 4-2: CURRENT CONSUMPTION
(TA = 25°C, VDD = 3.3V)
Chip Mode Condition Min Typ Max Units
Sleep Sleep Clock and PA voltage
regulator Disabled
—5 μA— μA
TX At Maximum Output Power — 120 mA — mA
RX — — 25 mA — mA
TABLE 4-3: RECEIVER AC CHARACTERISTICS
Typical values are at TA = 25°C, VDD = 3.3V, LO Frequency = 2.445 GHz
Parameters Condition Min Typ Max Units
RF Input Frequency
Compatible to
IEEE Std. 802.15.4™, 2003
2.405 — 2.480 GHz
RF Sensitivity — — –108 — dBm
Maximum RF Input 50Ω ——–23dBm
LO Leakage Measured at Balun Matching
Network Input at Frequency,
2.405 GHz – 2.48 GHz
—–60—dBm
Input Return Loss 50Ω –8 –12 — dB
Noise Figure
(including matching)
— — 1.8 — dB
Adjacent Channel
Rejection
@ ±5 MHz 30 — — dB
Alternate Channel
Rejection
@ ±10 MHz 40 — — dB
RSSI Range — — 50 — dB
RSSI Error — –5 — 5 dB