Si4461 datasheet(9/53 Pages) SILABS

部品番号	Si4461

部品情報	HIGH-PERFORMANCE, LOW-CURRENT TRANSCEIVER

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Si4463/61/60-C

Rev 1.0

9

Table 4. Transmitter AC Electrical Characteristics

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

TX Frequency

Range

FTX

850

—

1050

MHz

350

—

525

MHz

284

—

350

MHz

142

—

175

MHz

(G)FSK Data Rate

DRFSK

0.1

—

500

kbps

4(G)FSK Data Rate

DR4FSK

0.2

—

1000

kbps

OOK Data Rate

DROOK

0.1

—

120

kbps

Modulation Deviation

Range

f960

850–1050 MHz

—1.5

—

MHz

f525

420–525 MHz

—750

—

kHz

f420

350–420 MHz

—

600

—kHz

f350

283–350 MHz

—500

—

kHz

f175

142–175 MHz

—250

—

kHz

Modulation Deviation

Resolution

FRES-960

850–1050 MHz

—

28.6

—Hz

FRES-525

420–525 MHz

—

14.3

—Hz

FRES-420

350–420 MHz

—

11.4

—Hz

FRES-350

283–350 MHz

—

9.5

—Hz

FRES-175

142–175 MHz

—

4.7

—Hz

Output Power Range

(Si4463)

PTX63

Typical range at 3.3 V with Class E

Match optimized for best PA efficiency

–20

—

+20

dBm

Output Power Range

(Si4461)

PTX61

Typical range at 3.3 V with Class E

Match optimized for best PA efficiency

–40

—

+16

dBm

Output Power Range

(Si4460)

PTX60

Typical range at 3.3 V with Class E

Match optimized for best PA efficiency.

Efficiency can be traded off for higher

Tx output power up to +13 dBm

–20

—

+12.5

dBm

Notes:

1.

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.

2.

The maximum data rate is dependent 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).

3.

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

4.

Output power is dependent on matching components and board layout.

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