EZRadioPRO

Copyright © 2009 by Silicon Laboratories

2.20.09

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Si4032/31/30

ISM Transmitter

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Supply Voltage Range

1.8

3.0

3.6

V

Power Saving Modes

RC Oscillator, Main Digital Regulator,

and Low Power Digital Regulator OFF

—

10

—

nA

Register values retained, Main Digital

Regulator and RC Oscillator OFF

—

400

—

nA

RC Oscillator ON, Register values

retained and Main Digital Regulator OFF

—

800

—

nA

TX Mode Current (Si4032)

txpow[2:0] = 011 (+20 dBm),

VDD = 3.3 V

—

80

—

mA

txpow[2:0] = 000 (+11 dBm),

VDD = 3.3 V

—

27

—

mA

TX Mode Current (Si4030/31)

txpow[2:0] = 111 (+13 dBm),

VDD = 3.3 V

—

28

—

mA

txpow[2:0] = 100 (+1 dBm),

VDD = 3.3 V

—

16

—

mA

Synthesizer Frequency



Range (Si4032/31)

Low Band

240

—

480

MHz

High Band

480

—

930

MHz

Synthesizer Frequency



Range (Si4030)

High Band

900

—

960

MHz

Synthesizer Frequency



Resolution

Low Band

—

156.25

—

Hz

High Band

—

312.5

—

Hz

Synthesizer Settling Time

Measured from leaving Ready mode with

XOSC running to any frequency includ-

ing VCO Calibration

—

200

—

µs

FSK Modulation Data Rate

1

—

128

kbps

OOK Modulation Data Rate

1.2

—

40

kbps

Output Power Range (Si4032)

Power control by txpow[2:0]

+11

—

+20

dBm

Output Power Range



(Si4031/30)

Power control by txpow[2:0]

–8

—

+13

dBm

TX RF Output Steps

P

RF_OUT

Controlled by txpow[2:0] Register

—

3

—

dB

Operating Ambient Temperature

Range

–40

85

°C

Selected Electrical Specifications

Pin Assignments

VDD_RF

1

2

3

4

15

14

13

12

6789

19 18 17

20

TX

NC

NC

SCLK

SDI

SDO

VDD_DIG

Metal

Paddle

511

VR_PA

NC

10

16

20-pin QFN Package Information