RFHCS362F datasheet(47/54 Pages) MICROCHIP

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DS41189B-page 47

rfHCS362G/362F

TABLE 10-6:

TRANSMITTER DC CHARACTERISTICS*

These parameters are characterized but not tested.

†

Data in “Typ” column is at 3V, 25°C unless otherwise stated. These parameters are for design guidance only

and are not tested.

Note 1:

Depends on output power selection. See Table 6-6.

Note 2:

Applies to RFEN pin.

TABLE 10-7:

TRANSMITTER AC CHARACTERISTICS*

bit *

These parameters are characterized but not tested.

†

Data in “Typ” column is at 3V, 25°C unless otherwise stated. These parameters are for design guidance only

and are not tested.

Note 1:

Values dependent on PLL loop filter values.

Note 2:

ton equals crystal oscillator and PLL start-up time.

Note 3:

Max FSK data rate requires crystal with appropriate motional parameters. See Section 6.3.

DC CHARACTERISTICS

Standard Operating Conditions (unless otherwise stated)

Operating Temperature -40°C

≤TA ≤+85°C

Param

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

VDDRF

Supply Voltage

2.2

—

5.5

IPDRF

Power-Down Current

—

0.05

0.1

μARFEN = 0

IDDRF

Supply Current

4.8

—

11.5

Note 1

VILRF

Input Low Voltage

-0.3

—

0.3 VSSRF

Note 2

VIHRF

Input High Voltage

0.7 VSSRF

—VSSRF + 0.3

Note 2

IILRF

Input Leakage Current

-1

—

μA

AC CHARACTERISTICS

Standard Operating Conditions (unless otherwise stated)

Operating Temperature -40°C

≤TA ≤+85°C

Param

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

fxtal

Crystal Frequency

9.69

—

MHz

ftransmit

Transmit Frequency

310

—

440

MHz

Fixed, set by fxtal

fCLKOUT

CLKOUT Frequency

2.42

—

3.75

MHz

Fixed, set by fxtal

Transmit Output Power

-12

—

dBm

See Table 6-6

fASK

ASK Data Rate

—

kbps

fFSK

FSK Data Rate

—

kbps

Note 3

PREF

Reference Spurs (1)

—-44

—

dBm

ftransmit ± fxtal

PCLK

Clock Spurs (1)

—-44

—

dBm

ftransmit ± fCLKOUT

PHARM

Harmonic Content

—

-40

—

dBm

2ftransmit, 3ftransmit,

4ftransmit,...

POFF

Spurious Output Signal

—

-60

—

dBm

Vps

≤0.1V

Phase Noise

—

-87

—

dBc/Hz

ftransmit ± 500 kHz

KVCO

VCO Gain

—

100

—

MHz/V

ICP

Charge Pump Current

—

±260

—

μA

VCLKOUT

Clock Voltage Swing

—

VPP

Cload = 5 pF

ton

Start-up Time

—

0.9

—

Note 2

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