RFM22B/23B
1. Electrical Specifications
Table 1. DC Characteristics
Parameter
Symbol
Conditions
Min Typ Max Units
Supply Voltage Range
Power Saving Modes
VDD
1.8
—
3.0
15
3.6
50
V
IShutdown
RC Oscillator, Main Digital Regulator,
and Low Power Digital Regulator OFF
nA
IStandby
ISleep
Low Power Digital Regulator ON (Register values retained)
and Main Digital Regulator, and RC Oscillator OFF
—
—
—
—
—
450
1
800
—
nA
µA
µA
µA
µA
RC Oscillator and Low Power Digital Regulator ON
(Register values retained) and Main Digital Regulator OFF
ISensor-LBD
ISensor-TS
IReady
Main Digital Regulator and Low Battery Detector ON,
Crystal Oscillator and all other blocks OFF
1
—
Main Digital Regulator and Temperature Sensor ON,
Crystal Oscillator and all other blocks OFF
1
—
Crystal Oscillator and Main Digital Regulator ON,
all other blocks OFF. Crystal Oscillator buffer disabled
800
—
TUNE Mode Current
RX Mode Current
ITune
IRX
Synthesizer and regulators enabled
—
—
8.5
—
—
mA
mA
18.5
TX Mode Current
—RFM22B
ITX_+20
ITX_+13
ITX_+1
txpow[2:0] = 111 (+20 dBm)
txpow[2:0] = 110 (+13 dBm)
—
85
—
mA
TX Mode Current
—RFM23B
—
—
30
18
—
—
mA
mA
txpow[2:0] = 001 (+1 dBm)
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