Si4455

4

Rev 1.1

1. Electrical Specifications

Table 1. Recommended Operating Conditions

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Ambient Temperature

–40

25

85

°C

Supply Voltage

1.8

3.6

V

I/O Drive Voltage

1.8

3.6

V

Parameter

Symbol

Test Condition

Min

Typ Max Unit

Supply Voltage Range

1.8

3.3

3.6

V

Power Saving Modes

RC oscillator, main digital regulator, and low

power digital regulator OFF.

—30

—

nA

Register values maintained.

—

50

—

nA

Crystal Oscillator and Main Digital Regulator ON,

all other blocks OFF.

—2

—

mA

ISPI Active

SPI active state

1.35

mA

TUNE Mode Current

RX Tune

—

6.5

—

mA

TX Tune

—

6.9

—

mA

RX Mode Current

—10

—

mA

TX Mode Current

+10 dBm output power, 868 MHz

—

18

—

mA

+13 dBm output power, 868 MHz

—

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.