MICRF211AYQS View Datasheet(PDF) - Micrel
Part Name
Description
MFG CO.
MICRF211AYQS Datasheet PDF : 17 Pages
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Micrel
MICRF211
Demodulator
Symbol Parameter
CTH Source
Impedance
CTH Leakage Current
Demodulator Filter
Bandwidth @ 434MHz
Digital / Control Functions
DO pin output current
RSSI
Output rise and fall
times
RSSI DC Output
Voltage Range
RSSI response slope
RSSI Output Current
RSSI Output
Impedance
RSSI Response Time
Condition
FREFOSC = 13.52127MHz
TA = 25ºC
TA = +105ºC
Programmable, see application section
As output
source @ 0.8 Vdd
sink @ 0.2 Vdd
CI = 15pF, pin DO, 10-90%
-110dBm to -40dBm
50% data duty cycle, input power to
Antenna = -20dBm
Min
1625
Typ
120
±2
± 800
Max Units
kΩ
nA
nA
13000 Hz
260
µA
600
2
µsec
0.4 to 2
25
400
200
0.3
V
mV/dB
µA
Ω
sec
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside of its operating rating.
Device is ESD sensitive. Use appropriate ESD precautions. Exceeding the absolute maximum rating may damage the device.
Sensitivity is defined as the average signal level measured at the input necessary to achieve 10-2 BER (bit error rate). The input signal is
defined as a return-to-zero (RZ) waveform with 50% average duty cycle (Manchester encoded) at a data rate of 1kbps.
When data burst does not contain preamble, duty cycle is defined as total duty cycle, including any “quiet” time between data bursts. When
data bursts contain preamble sufficient to charge the slice level on capacitor CTH, then duty cycle is the effective duty cycle of the burst
alone. [For example, 100msec burst with 50% duty cycle, and 100msec “quiet” time between bursts. If burst includes preamble, duty
cycle is TON/(TON+tOFF)= 50%; without preamble, duty cycle is TON/(TON+ TOFF + TQUIET) = 50msec/(200msec)=25%. TON is the (Average
number of 1’s/burst) × bit time, and TOFF = TBURST – TON.)
March 2007
4
M9999-030107
(408) 944-0800
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