MICRF500

Micrel

MICRF500

4

March 2003

Electrical Characteristics

F

Parameter

Condition

Min

Typ

Max

Units

Overall

Operating Frequency

700

850

1100

MHz

Power Down Current

< 1

2

µA

Logic High Input, V

IH

70%

V

DD

Logic Low Input, V

IL

30%

V

DD

DATAIXO, Logic High Output (V

V

V

DATAIXO, Logic Low Output (V

0.3

V

LockDet, Logic High Output (V

V

V

LockDet, Logic Low Output (V

0.25

V

Clock/Data Frequency

10

MHz

Clock/Data Duty-Cycle

25

75

%

Data Setup to Clock (rising edge)

25

ns

VCO and PLL Section

Prescaler Divide Ratio

64/65

Reference Frequency

40

MHz

PLL Lock Time (int. modulation)

4kHz loop filter bandwidth

1

ms

PLL Lock Time (ext. modulation)

1kHz loop filter bandwidth

4

ms

Rx – (Tx with PA on) Switch Time

1kHz loop filter bandwidth

2.5

ms

Charge Pump Current

±95/±380 ±125/±500 ±155/±620

µA

Transmit Section

f

Output Power

R

10

dBm

Transmit Data Rate (ext. modulation)

Note 4

19.2

128

kbauds

Transmit Data Rate (int. modulation)

Note 5

2.4

kbauds

Frequency Deviation to

Modulation Rate Ratio

unfiltered FSK

1.0

1.5

Current Consumption

Transmit Mode

10 dBm, R

50

mA

Maximum Supply Voltage (V

Maximum NPN Reverse Base-Emitter Voltage .......... +2.5V

Storage Temperature Range (T

ESD Rating, Note 3 .................................................... 500V

Supply Voltage (V

Ambient Temperature (T

Package Thermal Resistance

TQFP

(θ