Radiometrix Ltd, TX3A & RX3A Data Sheet

page 4

Absolute maximum ratings

Exceeding the values given below may cause permanent damage to the module.

Operating temperature

-20

°C to +70°C

Storage temperature

-40

°C to +100°C

TX3A

Vcc (pin 5)

-0.3V to +16V

TXD (pin 7)

±7V

En (pin 4)

-0.3V to +Vcc V

RF OUT (pin 2)

±50V DC, +10dBm RF

RX3A

Vcc, RXD (pins 7,9)

-0.3V to +16V

En (pins 4)

-0.3V to +Vcc V

RSSI, AF (pins 5, 8)

-0.3V to +3V

RF IN (pin 1)

±50V DC, +10dBm RF

Performance specifications:

TX3A transmitter

(Vcc = 3.0V / temperature = 20

°°°°C unless stated)

pin

min.

typ.

max.

units

notes

DC supply

Supply voltage

5

2.2

3.0

16

V

1,6

Supply current

5

7.5

9.5

mA

2

RF

RF power output @ Vcc = 2.2V

2

-1

dBm

2

RF power output @ Vcc

≥ 2.8V

2

0

dBm

2

Harmonics / spurious emissions

2

-55

-45

dBc

3

Initial frequency accuracy

-25

0

+25

kHz

FM deviation (peak)

±30

kHz

4

Baseband

Modulation bandwidth @ -3dB

0

35

kHz

Modulation distortion (THD)

5

10

%

6

TXD input level (logic low)

7

-0.2

0

+0.2

V

5,6

TXD input level (logic high)

7

+2.3

+2.5

+3

V

5,6

Dynamic timing

Power-up time (En

→ full RF)

1.0

1.5

ms

Notes:

1. RF output is automatically disabled below 2.2V supply voltage.

2. RF output terminated with 50

Ω resistive load.

3. Meets or exceeds EN/FCC requirements at all frequencies.

4. With 0V – 2.5V modulation input.

5. To achieve specified FM deviation.

6. See applications information for further details.