DS620-3 Jan ‘07

©2007 Reg. No. 227 4001, ENGLAND

Page 6

RF620T

RF620R

SmartRadio Transmitter / Receiver

Technical Specification – RF620T

Absolute Maximum Ratings

Supply Voltage (+5Vcc to GND)..........................................-0.3 to + 6 Volts.

Storage Temperature..........................................................-30 to +85

Operating Temperature....................................................... 0 to +70

For Ambient temperature = 25

Electrical Specification

Min

Typical

Max

Dimension

Note

Supply Voltage

4.5

5.0

5.5

V

Vdd

6

mA

transmitting

Supply Current

1

mA

idle/receiving

Frequency

(custom frequencies available on request)

433.92

MHz

Input voltage:

Logic Low

0.8

V

Logic High

2.0

V

Level of Emitted Spectrum

-70

dBm

EMC Compliance

Complies to ETS300-339

Technical Specification – RF620R

Absolute Maximum Ratings

Supply Voltage (+5Vcc to GND)..........................................-0.3 to + 6 Volts.

Storage Temperature..........................................................-30 to +85

Operating Temperature....................................................... 0 to +70

For Ambient temperature = 25

Electrical Specification

Min

Typical

Max

Dimension

Note

Supply Voltage

4.5

5.0

5.5

V

Vdd

Supply Current

6

mA

Frequency

(custom frequencies available on request)

433.92

MHz

Output voltage:

Logic Low

0.6

V

I out = 8.5mA

Logic High

Vdd-0.7v

V

I out = -3mA

Output current:

Logic Low

25

mA

NOTE a

Logic High

-25

mA

Turn on Time

20

ms

-3dB Bandwidth

+/- 400

KHz

Receiver R.F. Sensitivity (100% AM)

-106

dBm

EMC Compliance

Complies to ETS300-339

NOTE a: OUTPUT 1 and OUTPUT 2 have internal 220 Ohm resistors in series with the output drive.