MICRF620Z datasheet(5/21 Pages) MICREL

5 / 21 page

Micrel, Inc.

MICRF620/MICRF620Z

July 2006

M9999-120205

Absolute Maximum Ratings

(1)

Supply Voltage (VDD)...................................................+2.7V

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

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

Storage Temperature (Ts) ............................-30°C to +85°C

ESD Rating

(3)..................................................................2kV

Operating Ratings

(2)

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

RF Frequencies.................................410MHz to 450MHz

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

Ambient Temperature (TA) .......................–20°C to +75°C

Electrical Characteristics

fRF = 434MHz, Data rate = 20kbps, VDD = 2.5V; TA = 25°C, bold values indicate –20°C< TA < +75°C, unless noted.

Parameter

Condition

Min

Typ

Max

Units

Power Supply

2.0

2.5

Power Down Current

0.3

µA

Standby Current

280

µA

VCO and PLL Section

Tunable with on-chip cap bank

MHz

Crystal Oscillator Frequency

Tuning range

-30

+40

ppm

Crystal Initial Tolerance

-10

+10

ppm

Crystal Temperature Tolerance

-10

+10

ppm

Rx 433.4MHz – Rx 434MHz

300

µs

Rx – Tx, same frequency, measured @

frequency offset < 10kHz

200

µs

Tx – Rx, same frequency, time to good

data

350

µs

Standby – Rx,

1.1

Switch Time

Standby – Tx

1.1

Crystal Oscillator Start-Up Time

XCO_tune=13

750

µs

Transmit Section

RLOAD = 50Ω, Pa2_0: 111

dBm

Output Power

RLOAD = 50Ω, Pa2_0: 001

-8

dBm

Over temperature range

Output Power Tolerance

Over power supply range

RLOAD = 50Ω, PA2_0: 111

Tx Current Consumption

RLOAD = 50Ω, PA2_0: 001

Tx Current Consumption Variation

RLOAD = 50Ω, PA2_0: 111

2.5

Binary FSK Frequency Separation (5)

Limited by receiver BW

400

kHz

Data Rate

NRZ

kbps

Occupied bandwidth

19.2kbps,

β = 9 (±85kHz), -36dBm

(RBW=10kHz)

kHz

Harmonics 434

-36

dBm

Spurious Emission in Restricted

bands < 1GHz

-54

dBm

Spurious Emission < 1GHz

-36

dBm

Spurious Emission > 1GHz

ETSI EN300 220

-30

dBm

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