SI4455-C2A-GMR Datasheet, PDF (4/39 Pages) Silicon Laboratories – EASY-TO-USE, LOW-CURRENT OOK/(G)FSK SUB-GHZ TRANSCEIVER, TRANSMITTER, AND RECEIVER

Si4x55-C
1. Electrical Specifications
Table 1. DC Characteristics
Parameter
Symbol
Test Condition
Min Typ Max Unit
Supply Voltage
Range
Power Saving
Modes
V_DD
1.8 3.3 3.6 V
I_Shutdown
RC oscillator, main digital regulator, and low power digital
regulator OFF.
—
30
—
nA
I_Standby
I_Ready
Register values maintained.
Crystal Oscillator and Main Digital Regulator ON,
all other blocks OFF.
— 40 — nA
— 1.8 — mA
I_{SPI Active}
SPI active state
1.5
mA
TUNE Mode Cur-
rent
I_{Tune_RX}
I_{Tune_TX}
RX Tune
TX Tune
— 6.8 — mA
— 7.1 — mA
RX Mode Current
I_RX
Measured at 40 kbps, 20 kHz deviation, 315 MHz
— 10.9 — mA
TX Mode Current
I_TX
+10 dBm output power
Measured on direct tie RF evaluation board at 868 MHz
—
19
— mA
+13 dBm output power
Measured on direct tie RF evaluation board at 868 MHz
—
24
— mA
Note: All minimum and maximum values are guaranteed across the recommended operating conditions of supply voltage and
from –40 to +85 °C unless otherwise stated. All typical values apply at VDD = 3.3 V and 25 °C unless otherwise stated.
4
Rev 1.0