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Micrel
Absolute Maximum Ratings (1)
Supply Voltage (V DD ) .................................................+5V
Input Voltage .............................................................+5V
Junction Temperature ......................................... +150oC
Lead Temperature (soldering, 10sec.) .................. 260°C
MICRF211
Operating Ratings (2)
Supply voltage (V DD ) ..............................+3.0V to +3.6V
Ambient Temperature (T A ) ................. –40°C to +105°C
Input Voltage (V IN )........................................ 3.6V (Max)
Maximum Input RF Power................................ –20dBm
Storage Temperature (T S ) .....................-65oC to +150°C
Maximum Receiver Input Power ........................+10dBm
ESD Rating (3) .................................................. 2KV CDM
...................................................200V HBM
................................ 100V Machine Model
Electrical Characteristics (4)
Specifications apply for 3.0V < V DD < 3.6V, V SS = 0V, C AGC = 4.7μF, C TH = 0.1μF, f RX = 433.92 MHz, unless otherwise
noted. Bold values indicate –40°C – T A – 105°C. 1kbps data rate (Manchester encoded), reference oscillator
frequency = 13.52127MHz.
Symbol
I SS
Parameter
Operating Supply
Current
Condition
Continuous Operation, f RX = 433.92MHz
Min
Typ
6.0
Max
Units
mA
I SHUT
Shut down Current
0.5
μA
RF/IF Section
Image Rejection
20
dB
1 IF Center
st
Frequency
Receiver Sensitivity @
1kbps
IF Bandwidth
Antenna Input
Impedance
f RX = 433.92MHz
f RX = 433.92MHz (matched to 50 ? )
BER=10 -2
f RX = 433.92MHz
f RX = 433.92MHz
1.2
-110
330
19 –
j174
MHz
dBm
kHz
?
Receive Modulation
Duty Cycle
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
±2
± 800
1.15
1.70
80
%
nA
nA
V
V
Reference Oscillator
Reference Oscillator
Frequency
Reference Oscillator
Input Impedance
Reference Oscillator
Input Range
Reference Oscillator
Source Current
f RX = 433.92 MHz
Crystal Load Cap = 10pF
V(REFOSC) = 0V
0.2
13.52127
300
3.5
1.5
MHz
k ?
Vp-p
μA
March 2007
3
M9999-030107
(408) 944-0800
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