RFM22 Datasheet, PDF (4/150 Pages) –

RFM22
1. Electrical Specifications
Table 1. DC Characteristics
Parameter
Symbol
Conditions
Min Typ Max Units
Supply Voltage Range Vdd
1.8 3.0 3.6
V
IShutdown
RC Oscillator, Main Digital Regulator, and Low
Power Digital Regulator OFF²
—
10
—
nA
Low Power Digital Regulator ON (Register values
IStandby
retained) and Main Digital Regulator, and RC
Oscillator OFF¹
—
400
—
nA
RC Oscillator and Low Power Digital Regulator ON
ISleep (Register values retained) and Main Digital Regulator —
800
—
nA
Power Saving Modes
OFF¹
ISensor- Main Digital Regulator and Low Battery Detector ON,
—
1
—
μA
LBD
Crystal Oscillator and all other blocks OFF²
ISensor- Main Digital Regulator and Temperature Sensor ON,
—
1
—
μA
TS
Crystal Oscillator and all other blocks OFF²
Crystal Oscillator and Main Digital Regulator ON, all
IReady
—
600
—
μA
other blocks OFF. Crystal Oscillator buffer disabled¹
TUNE Mode Current ITune
Synthesizer and regulators enabled
—
9.5
—
mA
RX Mode Current
IRX
— 18.5 —
mA
TX Mode Current
ITX_+17
ITX_+8
txpow[1:0] = 11 (+17 dBm), VDD = 3.3 V
txpow[1:0] = 00 (+8 dBm), VDD = 3.3 V
Notes:
1. All specification guaranteed by production test unless otherwise noted.
2. Guaranteed by qualification.
— 60
—
mA
—
27
—
mA
4
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