MICRF505BML datasheet(4/27 Pages) MICREL

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MICRF505

Micrel

M9999-051304

May 13, 2004

Absolute Maximum Ratings(1)

Supply Voltage (VDD) .................................................+3.3V

Voltage on any pin (GND = 0V) ................. –0.3V to 2.7V

Lead Temperature (soldering, 4 sec.) ...................... TBD

∞C

Storage Temperature (TS) ....................... –55∞C to +150∞C

ESD Rating(3) ............................................................................... 2kV

Operating Ratings(2)

Supply Voltage (VIN) ................................... +2.0V to +2.5V

RF Frequencies ................................... 850MHz to 950MHz

Data Rate (NRZ) .............................................. < 200kBaud

Ambient Temperature (TA) ......................... –40∞C to +85∞C

Package Thermal Resistance

MLF™

(qJA) multi-layer board ..........................41.7∞C/W

Electrical Characteristics(4)

fRF = 915MHz, Data-rate = 125kbps, Modulation type = closed-loop VCO modulation, VDD = 2.5V; TA = 25∞C, bold values indicate

–40

∞C £ TA £ +85∞C; unless noted.

Symbol

Parameter

Condition

Min

Typ

Max

Units

RF Frequency Operating Range

850

950

MHz

Power Supply

2.0

2.5

Power Down Current

0.3

Standby Current

280

VCO and PLL Section

Reference Frequency

440

MHz

PLL Lock Time

915MHz to 915.5MHz

0.5

3kHz bandwidth

902MHz to 927MHz

1.7

20kHz bandwidth

0.3

Switch Time

Rx – Tx

0.6

3kHz loop bandwidth

Tx – Rx

0.6

Standby Rx

1.1

Standby Tx

1.2

Crystal Oscillator Start-Up Time

16MHz, 9pF load, 5.6pF loading capacitors

1.2

Charge Pump Current

VCPOUT = 1.1V, CP_HI = 0

125

VCPOUT = 1.1V, CP_HI = 1

500

Charge Pump Tolerance

Transmit Section

Output Power

RLOAD = 50W, Pa2-0-111

dBm

RLOAD = 50W, Pa2-0-001

–8

dBm

Output Power Tolerance

Over temperature range

Over power supply range

Tx Current Consumption

RLOAD = 50W, Pa2-0-111

RLOAD = 50W, Pa2-0-001

Tx Current Consumption Variation

10dBm

2.5

Binary FSK Frequency Separation(5)

bitrate = 200kbps

500

kHz

Data Rate(5)

VCO modulation

200

kbps

Occupid bandwidth

20kbps,

b = 2, 20dBc

kHz

125kbps,

b = 2, 20dBc

kHz

200kbps,

b = 2, 20dBc

kHz

2nd Harmonic

–25

dBm

3rd Harmonic

–15

dBm

Spurious Emission < 1GHz(5)

< –54

dBm

Spurious Emission < 1GHz(5)

< –30

dBm

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