SI4432 参数 Datasheet PDF下载

型号：	SI4432
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Si4430/31/32-B1

Table 2. Synthesizer AC Electrical Characteristics¹

Parameter

Symbol

Conditions

Min

Typ

Max Units

Synthesizer Frequency

Range—Si4431/32

240

—

930

MHz

SYN

Synthesizer Frequency

Range—Si4430

900

—

960

MHz

SYN

Synthesizer Frequency

Resolution

Low Band, 240–480 MHz

High Band, 480–960 MHz

—

156.25

312.5

—

RES-LB

RES-HB

REF_LV

Reference Frequency

When using external reference signal

driving XOUT pin, instead of using

0.7

1.6

Input Level

crystal. Measured peak-to-peak (V

)

Synthesizer Settling Time

Measured from exiting Ready mode with

XOSC running to any frequency.

Including VCO Calibration.

—

200

—

µs

LOCK

Residual FM

F

Integrated over 250 kHz bandwidth

kHz

RMS

(500 Hz lower bound of integration)

Phase Noise

L(f )

F = 10 kHz

F = 100 kHz

F = 1 MHz

F = 10 MHz

—

–80

–90

—

dBc/Hz

–115

–130

Notes:

1. All specification guaranteed by production test unless otherwise noted. Production test conditions and max limits are

listed in the "Production Test Conditions" section on page 14.

2. Guaranteed by qualification. Qualification test conditions are listed in the "Production Test Conditions" section on

page 14.

Rev 1.0

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