SI4464 datasheet(10/56 Pages) SILABS

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Si4464/63/61/60

Rev 1.2

Modulation Deviation

Resolution2,5

FRES-960

850–1050 MHz

—

28.6

—Hz

FRES-525

420–525 MHz

—

14.3

—Hz

FRES-350

283–350 MHz

—

9.5

—Hz

FRES-175

142–175 MHz

—

4.7

—Hz

Modulation Deviation

Resolution (Si4464)3

FRES-960

705–960 MHz

—28.6

—

FRES-639

470–639 MHz

—19.1

—

FRES-479

353–479 MHz

—14.3

—

FRES-319

235–319 MHz

—9.5

—

FRES-239

177–239 MHz

—7.1

—

FRES-159

119–159 MHz

—4.7

—

Output Power Range

(Si4464/63)6

PTX

–20

—

+20

dBm

Output Power Range

(Si4461)6

PTX61

–40

—

+16

dBm

Output Power Range

(Si4460)6

PTX60

–40

—

+13

dBm

TX RF Output Steps3

PRF_OUT

Using switched current match within

6 dB of max power

—0.1

—

TX RF Output Level3

Variation vs. Temperature

PRF_TEMP

–40 to +85

C—

—

TX RF Output Level

Variation vs. Frequency3

PRF_FREQ

Measured across 902–928 MHz

—

0.5

—

Transmit Modulation

Filtering3

B*T

Gaussian Filtering Bandwith Time

Product

—0.5

—

Table 4. Transmitter AC Electrical Characteristics1 (Continued)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Notes:

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

listed in the "Production Test Conditions" section in "1.1. Definition of Test Conditions" on page 14.

For applications that use the major bands covered by Si4463/61/60, customers should use those parts instead of

Si4464.

Guaranteed by qualification. Qualification test conditions are listed in the "Qualification Test Conditions" section in "1.1.

Definition of Test Conditions" on page 14.

The maximum data rate is dependant on the XTAL frequency and is calculated as per the formula:

Maximum Symbol Rate = Fxtal/60, where Fxtal is the XTAL frequency (typically 30 MHz).

Default API setting for modulation deviation resolution is double the typical value specified.

Output power is dependent on matching components and board layout.

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