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Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V DD ) .................................................+5V
Input Voltage .............................................................+5V
Junction Temperature ......................................... +150oC
Lead Temperature (soldering, 10sec.) .................. 260°C
MICRF213
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 ) .....................-65°C to +150°C
Maximum Receiver Input Power ........................+10dBm
EDS Rating (3) .................................................. 3KV HBM
Electrical Characteristics (4)
Specifications apply for 3.0V < V DD < 3.6V, V SS = 0V, C AGC = 4.7μF, C TH = 0.47μF, f RX = 315 MHz unless otherwise noted.
Bold values indicate –40°C - T A - 105°C. 900bps data rate (Manchester encoded), reference oscillator frequency = 9.81563 MHz.
Symbol
I DD
Parameter
Operating Supply Current
Condition
Continuous Operation, f RX = 315MHz
Min
Typ
3.9
Max
Units
mA
I SHUT
Shut down Current
0.33
μA
RF/IF Section
Image Rejection
20
dB
1 IF Center Frequency
f RX = 315MHz (matched to 50 ? ) BER=10
st
Receiver Sensitivity @
1kbps
IF Bandwidth
Antenna Input
Impedance
f RX = 315MHz
f RX = 315MHz
f RX = 315MHz
-2
0.86
-110
235
32.5 –
j235
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 @ -50dBm
RF IN @ -110dBm
20
0.1
±2
±800
1.13
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 = 315MHz
Crystal Load Cap = 10pF
V(REFOSC) = 0V
0.2
9.81563
300
3.5
1.5
MHz
k ?
Vp-p
μA
May 2007
3
M9999-052307-A
(408) 944-0800
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