SI4455 Datasheet, PDF (4/40 Pages) Silicon Laboratories – 20-Pin 3x3 mm QFN package

Si4455
1. Electrical Specifications
Table 1. Recommended Operating Conditions
Parameter
Ambient Temperature
Supply Voltage
I/O Drive Voltage
Symbol
T_A
V_DD
V_GPIO
Test Condition
Min
Typ
Max
Unit
–40
25
85
°C
1.8
3.6
V
1.8
3.6
V
Table 2. DC Characteristics^*
Parameter
Symbol
Test Condition
Min Typ Max Unit
Supply Voltage Range
Power Saving Modes
V_DD
I_Shutdown
RC oscillator, main digital regulator, and low
power digital regulator OFF.
1.8 3.3 3.6 V
— 30 — nA
I_Standby
I_Ready
Register values maintained.
—
Crystal Oscillator and Main Digital Regulator ON,
all other blocks OFF.
—
50 — nA
2 — mA
ISPI Active
SPI active state
1.35
mA
TUNE Mode Current
RX Mode Current
TX Mode Current
I_{Tune_RX}
I_{Tune_TX}
I_RX
I_TX
RX Tune
TX Tune
+10 dBm output power, 868 MHz
+13 dBm output power, 868 MHz
— 6.5 — mA
— 6.9 — mA
— 10 — mA
— 18 — mA
— 30 — mA
*Note: All specifications are guaranteed by production test unless otherwise noted. Production test conditions and max limits
are listed in section "1.1. Definition of Test Conditions" on page 11.
4
Rev 1.1