Si4x55-C

4

Rev 1.0

1. Electrical Specifications

Table 1. DC Characteristics

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.

—

40

—

nA

Crystal Oscillator and Main Digital Regulator ON,

all other blocks OFF.

—1.8

—

mA

SPI active state

1.5

mA

TUNE Mode Cur-

rent

RX Tune

—

6.8

—

mA

TX Tune

—

7.1

—

mA

RX Mode Current

Measured at 40 kbps, 20 kHz deviation, 315 MHz

—

10.9 —

mA

TX Mode Current

+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.