MICRF102 Datasheet, PDF (3/12 Pages) Micrel Semiconductor – QwikRadio UHF ASK Transmitter

MICRF102
Absolute Maximum Ratings (Note 1)
Supply Voltage(V_DD) ..................................................... +6V
Voltage on I/O Pins ............................. V_SS–0.3 to V_DD+0.3
Storage Temperature Range .................. –65°C to + 150°C
Lead Temperature (soldering, 10 seconds) ........... + 300°C
ESD Rating .............................................................. Note 3
Micrel
Operating Ratings (Note 2)
Supply Voltage (V_DD) .................................... 4.75V to 5.5V
Maximum Supply Ripple Voltage ............................... 10mV
PC Input Range .............................. 150mV < V_PC < 350mV
Ambient Operating Temperature (T_A) ............ 0°C to +85°C
Programmable Transmitter Frequency Range:
.................................................... 300MHz to 470MHz
Electrical Characteristics
Specifications apply for 4.75V < V_DD < 5.5V, V_PC = 0.35V, T_A = 25°C, freq_REFOSC = 12.1875MHz, STBY = V_DD. Bold values indicate
0°C ≤ T_A ≤ 85°C unless otherwise noted.
Parameter
Condition
Min Typ Max Units
Power Supply
Standby Supply Current, I_Q
MARK Supply Current, I_ON
V_STBY < 0.5V, V_ASK < 0.5V or V_ASK > V_DD – 0.5V
@315MHz, Note 4
@433MHz, Note 4
0.04
µA
6
10.5 mA
8
12
mA
SPACE Supply Current, I_OFF
@315MHz
@433MHz
4
6
mA
6
8.5 mA
Mean Operating Current
33% mark/space ratio at 315MHz, Note 4
4.7
mA
33% mark/space ratio at 433MHz, Note 4
6.7
mA
RF Output Section and Modulation Limits:
Output Power Level, P_OUT
@315MHz; Note 4, Note 5
@433MHz; Note 4, Note 5
tbd
dBm
tbd
dBm
Transmitted Power
@315MHz
tbd
µV/m
@433MHz
tbd
µV/m
Harmonics Output, Note 10
@ 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
3
5
7
pF
Reference Oscillator Section
Reference Oscillator Input
Impedance
300
kΩ
Reference Oscillator Source
Current
6
µA
Reference Oscillator Input
Voltage (peak to peak)
0.2
0.5
V_PP
September 2002
3
MICRF102