User's Manual

© 2009 Microchip Technology Inc. Preliminary DS70599B-page 21
MRF24J40MB
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
2.4 — 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
TABLE 4-2: CURRENT CONSUMPTION
(TA = 25°C, VDD = 3.3V)
Chip Mode Condition Min Typ Max Units
Sleep Sleep Clock Disabled — 5 μA— μA
TX At Maximum Output Power — 130 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 — -102 — dBm
Maximum RF Input -23 — — dBm
LO Leakage Measured at Balun Matching
Network Input at Frequency,
2.405-2.48 GHz
—-60—dBm
Input Return Loss -8 -12 — dB
Noise Figure
(including matching)
—1.9—dB
Adjacent Channel
Rejection
@ +/-5 MHz 30 — — dB
Alternate Channel
Rejection
@ +/-10 MHz 40 — — dB
RSSI Range — 50 — dB
RSSI Error -5 — 5 dB