June 2002

3

MICRF103

MICRF103

Micrel

Electrical Characteristics

Specifications apply for 4.75V < V

–40

°C ≤ T

Parameter

Condition

Min

Typ

Max

Units

Power Supply

Standby Supply Current, I

Q

V

0.10

µA

MARK Supply Current, I

ON

@868MHz

19

26.5

mA

@915MHz

20

27.5

mA

SPACE Supply Current, I

OFF

@868MHz

14

18

mA

@915MHz

15

21

mA

MARK/SPACE Ratio

33%@868MHz

16

mA

33%@915MHz

17

mA

RF Output Section and Modulation Limits:

Maximum Power Level, P

OUT

@868MHz (EIRP)

-3

dBm

@915MHz (EIRP)

-3

dBm

Output Power Variation

over supply and temperature

±2

dBm

Extinction ratio for ASK

38

45

dBc

Varactor tuning range

Note 5

2.6

3.0

3.3

pF

Reference Oscillator Section

Reference Oscillator Input

300

k

Ω

Impedance

Reference Oscillator Source

5.0

µA

Current

Reference Oscillator Input

0.2

1.0

V

PP

Voltage (peak-to-peak)

Digital / Control Section

Calibration Time

note 7, ASK=HIGH

20

ms

Power Amplifier Output Hold-off

note 4, STDBY transition from LOW to HIGH

5

ms

Time from STBY

crystal, ESR < 20

Ω

Transmitter Stabilization Time

from external reference (500mVpp)

9

ms

From STBY

crystal, ESR < 20

Ω

12

ms

Maximum Data rate

- ASK modulation

duty cycle of the modulating signal = 50%

115

kbits/s

STBY HIGH

V

IH

enable voltage

0.8V

DD

V

STBY LOW

V

IL

0.1V

DD

ASK Pin

V

0.8V

DD

V

V

0.1V

DD

V

ASK Input Current

ASK = 0V, 5.0V input current

–10

0.1

10

µA

Supply Voltage(V

Voltage on I/O Pins ............................. V

Storage Temperature Range ................... -65

°C to + 150°C

Lead Temperature (soldering, 10 seconds) ........... + 300

°C

ESD Rating, Note 3

Supply Voltage (V

Maximum Supply Ripple Voltage ............................... 10mV

PC Input Range ...................................... 0.1V < V

Ambient Operating Temperature (T

Programmable Transmitter Frequency Range:

........................................................ 800MHz to 1GHz