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Micrel
Absolute Maximum Ratings (1)
Supply Voltage (VDD) ..................................... . .......... +5V
Input Voltage. .................................................. . .......... +5V
Junction Temperature ....................... . ............. . .....+150oC
Lead Temperature (soldering, 10sec.) ................ . ...300°C
Storage Temperature (Ts)...................... -65oC t o +150°C
Maximum Receiver Input Po wer ......................... +10dBm
EDS Rating (3) ..... .. .......................... .. ............... . 2KV HBM
MICRF219
Operating Ratings (2)
Supply voltage (VDD)................ .............+3.0V to +3.6V
Ambient Temperature (T A ) ........ ......... –40°C to +105°C
Input Voltage (Vin) .................... ............................. 3.6V
Maximum Input RF Power......... ....................... ? 20dBm
Receive Modulation Duty Cycle (6) .................... 20~80%
Frequency Range...........................300MHz to 450MHz
Electr ica l Character istics
Specifications apply for V DD = 3 .3V, GND = 0V, C AGC = 4.7μF, C TH = 0.1μF , f RX = 433.92 MH z unle ss othe rwise noted. Bold values
indicate –40 ° C – T A – 105 ° C. 1kbps data rate (Manchester enco ded), re fer ence oscillator frequency = 13.52127MHz.
Parameter
Operating Supply Current
Conditi on
Continuous Operation, f RX = 315MHz
Co ntinuous Operation, f RX = 433.92MH z
Min.
Typ.
4.0
6.0
Max.
Units
mA
Shutdown Current
Receiver
Image Rejection
0.15
25
μA
dB
f RX = 433.92MHz, 50 ? BER=10
1 st IF Center Frequency
Receiver Sensitivity @ 1 kbps
(Note 4)
IF Bandwidth
Antenna Input Impedance
f RX = 315MHz
f RX = 433.92MHz
f RX = 315 MHz, 50 ? BER=10 -2
f RX = 315MHz
f RX = 433.92MHz
f RX = 315MHz
f RX = 433.92M Hz
-2
0.86
1.2
? 110
? 110
235
330
3 2 – j235
19 – j1 74
MHz
dBm
kHz
?
Receive Modulation Duty Cyc le
AGC Attack / Decay Ratio
AGC Pin Leakage Current
AGC Dynamic Range
Note 5
t ATTACK / t DECAY
T A = 25oC
T A = + 105oC
RF IN @ ? 40dBm
RF IN @ ? 100dBm
20
0.1
± 30
± 800
1.15
1.70
80
%
nA
nA
V
V
Reference Oscillator
Reference Oscillator Frequency
Reference Oscillator Input
Impedance
Reference Oscillator Bias Voltage
June 2011
f RX = 315 MHz, Crystal Load Cap = 10pF
f RX = 433.92 MHz, Crystal Load Cap = 10pF
RO1
RO2
3
9.81563
13.5 2127
1.6
1.15
MHz
k ?
V
M9999-060811
(408) 944-0800
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