Micrel, Inc.

MICRF600

September 2005

5

M9999-091905

Absolute Maximum Ratings

(1)

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

Lead Temperature (soldering, 5 sec.)......................+225°C

ESD Rating

Operating Ratings

(2)

RF Frequencies.................................902MHz to 928MHz

Data Rate (NRZ) ................................................ <20 kbps

Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Units

Power Supply

2.0

2.5

V

Power Down Current

0.3

µA

Standby Current

280

µA

VCO and PLL Section

Tunable with on-chip cap bank

16

MHz

Crystal Oscillator Frequency

Tuning range

-30

+40

ppm

Crystal Initial Tolerance

-10

+10

ppm

Crystal Temperature Tolerance

-10

+10

ppm

Rx 915MHz – Rx 915.5MHz

250

µs

Rx 903MHz – Rx 926MHz

850

µs

Rx – Tx, same frequency

200

µs

Tx – Rx, same frequency, time to

good data

300

µs

Standby – Rx,

1.0

ms

Switch Time

Standby – Tx

1.0

ms

Crystal Oscillator Start-Up Time

XCO_tune=13

750

µs

Transmit Section

9

dBm

Output Power

-7

dBm

Over temperature range

2

dB

Output Power Tolerance

Over power supply range

3

dB

28

mA

Tx Current Consumption

14

mA

Tx Current Consumption Variation

2.5

mA

Limited by receiver BW

20

400

kHz

NRZ

0

20

kbps

Occupied bandwidth

20kbps,

β = 10 (±100kHz), 20dBc

(RBW=10kHz)

320

kHz

-20

dBc

-41.2

dBm

Spurious Emission < 902 MHz

-49.2

dBm

Spurious Emission > 928 MHz

-41.2

dBm