November 8, 2001

3

MICRF104

MICRF104

Micrel

Electrical Characteristics

Specifications apply for V

T

Parameter

Condition

Min

Typ

Max

Units

Power Supply

Shutdown current, I

VDDPWR

EN = RFSTBY = V

SS

50

µA

RF Standby supply, I

VDDPWR

RFSTBY = V

1.5

mA

RF Standby supply, I

VDDPWR

RFSTBY = V

0.6

mA

MARK supply current, I

ON

Note 4,

31

41

mA

Note 4, V

12

17

mA

SPACE supply current, I

OFF

22

30

mA

V

9

12

mA

Mean operating current

33% mark/space ratio, Note 4

25

34

mA

33% mark/space ratio, V

10

14

mA

5V Max. output current

15

mA

Note 9, V

35

mA

5V Output Voltage range

Note 9

4.75

5.25

V

RF Output Section and Modulation Limits:

Output power level, P

OUT

@315MHz; Note 4, Note 5

–2

dBm

@433MHz; Note 4, Note 5

–2.5

dBm

Transmitted Power

@315MHz

tbd

µV/m

@433MHz

tbd

µV/m

Harmonics output

@ 315MHz

2nd harm.

–46

dBc

3rd harm.

–45

@433 MHz

2nd harm.

–50

dBc

3rd harm.

–41

Extinction ratio for ASK

40

52

dBc

Varactor tuning range

Note 7

5

6.5

8

pF

Reference Oscillator Section

Reference Oscillator Input

300

k

Ω

Impedance

Reference Oscillator Source

6

µA

Current

Reference Oscillator Input

0.2

0.5

V

PP

Voltage (peak to peak)

Supply Voltage(V

Voltage on I/O Pin EN .................................................. [tbd]

Voltage on I/O Pins, RFSTBY, ASK, PC, ANTP, ANTM

V

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

°C to + 150°C

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

°C

ESD Rating .............................................................. Note 3

Supply Voltage (V

PC Input Range .................................. 0.15V < V

Ambient Operating Temperature (T

Programmable Transmitter Frequency Range: 300MHz to

470MHz