Micrel
MICRF211
Absolute Maximum Ratings(1)
Supply Voltage (VDD) .................................................+5V
Input Voltage .............................................................+5V
Junction Temperature ......................................... +150ºC
Lead Temperature (soldering, 10sec.) .................. 260°C
Storage Temperature (TS) .....................-65ºC to +150°C
Maximum Receiver Input Power ........................+10dBm
ESD Rating(3) .................................................. 2KV CDM
...................................................200V HBM
................................ 100V Machine Model
Operating Ratings(2)
Supply voltage (VDD) ..............................+3.0V to +3.6V
Ambient Temperature (TA) ................. –40°C to +105°C
Input Voltage (VIN)........................................ 3.6V (Max)
Maximum Input RF Power................................ –20dBm
Electrical Characteristics(4)
Specifications apply for 3.0V < VDD < 3.6V, VSS = 0V, CAGC = 4.7µF, CTH = 0.1µF, fRX = 433.92 MHz, unless otherwise
noted. Bold values indicate –40°C – TA – 105°C. 1kbps data rate (Manchester encoded), reference oscillator
frequency = 13.52127MHz.
Symbol Parameter
Condition
Min
Typ Max Units
ISS
Operating Supply
Current
Continuous Operation, fRX = 433.92MHz
6.0
mA
ISHUT Shut down Current
RF/IF Section
0.5
µA
Image Rejection
1st IF Center
Frequency
fRX = 433.92MHz
20
dB
1.2
MHz
Receiver Sensitivity @ fRX = 433.92MHz (matched to 50 Ω)
1kbps
BER=10-2
-110
dBm
IF Bandwidth
Antenna Input
Impedance
fRX = 433.92MHz
fRX = 433.92MHz
330
kHz
19 –
j174
Ω
Receive Modulation
Duty Cycle
Note 5
20
80
%
AGC Attack / Decay
Ratio
AGC pin leakage
current
AGC Dynamic Range
Reference Oscillator
Reference Oscillator
Frequency
Reference Oscillator
Input Impedance
Reference Oscillator
Input Range
tATTACK / tDECAY
TA = 25ºC
TA = +105ºC
RFIN @ -40dBm
RFIN @ -100dBm
fRX = 433.92 MHz
Crystal Load Cap = 10pF
0.1
±2
nA
± 800
nA
1.15
V
1.70
V
13.52127
MHz
300
kΩ
0.2
1.5 Vp-p
Reference Oscillator
Source Current
V(REFOSC) = 0V
3.5
µA
March 2007
3
M9999-030107
(408) 944-0800