MICRF501
Absolute Maximum Ratings (Note 1)
Maximum Supply Voltage (V DD ) ................................... +7V
Maximum NPN Reverse Base-emitter Voltage .......... +2.5V
Storage Temperature Range (T S ) ............ –55 ° C to +150 ° C
ESD Rating, Note 3 ................................................. 500mV
Micrel
Operating Ratings (Note 2)
Supply Voltage (V IN ) ................................... +2.5V to +3.4V
Ambient Temperature (T A ) ......................... –40 ° C to +85 ° C
Package Thermal Resistance
TQFP (θ JA )-Multilayer Board ............................. 46.3 ° C/W
Electrical Characteristics
F REF = 850MHz, V DD = 2.5 to 3.4V, T A = 25 ° C, unless otherwise specified .
Parameter
Condition
Min
Typ
Max
Units
Overall
Operating Frequency
Power Down Current
300
434
<1
600
2
MHz
μ A
Logic High Input, V IH
Logic Low Input, V IL
70%
30%
V DD
V DD
DATAIXO, Logic High Output (V OH )
DATAIXO, Logic Low Output (V OL )
LockDet, Logic High Output (V OH )
LockDet, Logic Low Output (V OL )
Clock/Data Frequency
I OH = –500 μ A
I OL = 500 μ A
I OH = –100 μ A
I OL = 100 μ A
V DD -0.3
V DD -0.25
0.3
0.25
10
V
V
V
V
MHz
Clock/Data Duty-Cycle
Data Setup to Clock (rising edge)
25
25
75
%
ns
VCO and PLL Section
Prescaler Divide Ratio
32/33
Reference Frequency
40
MHz
PLL Lock Time (int. modulation)
PLL Lock Time (ext. modulation)
Rx – (Tx with PA on) Switch Time
Charge Pump Current
Transmit Section
Output Power
4kHz loop filter bandwidth
1kHz loop filter bandwidth
1kHz loop filter bandwidth
f OUT = 434MHz
R LOAD = 50 ? , V DD = 3.0V
1
4
2
± 95/ ± 380 ± 125/ ± 500 ± 155/ ± 620
12
ms
ms
ms
μ A
dBm
Transmit Data Rate (ext. modulation)
Note 4
Transmit Data Rate (int. modulation)
Note 5
Frequency Deviation to
128
2.4
kbauds
kbauds
Modulation Rate Ratio
unfiltered FSK
1.0
1.5
Current Consumption
Transmit Mode
MICRF501
10 dBm, R LOAD = 50 ?
4
45
mA
March 2003
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