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MICRF008 Datasheet(PDF) 3 Page - Micrel Semiconductor

Part # MICRF008
Description  QwikRadio Sweep-Mode Receiver
Download  13 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MICRF008 Datasheet(HTML) 3 Page - Micrel Semiconductor

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Micrel, Inc.
MICRF008
August 2008
3
M9999-080108
Absolute Maximum Ratings(1)
Supply Voltage (VDDRF, VDDBB)........................................+7V
Reference Oscillator Input Voltage (VREFOSC).............. VDDBB
Input/Output Voltage (VI/O). ....................VSS–0.3 to VDD+0.3
Junction Temperature (TJ) ....................................... +150°C
Storage Temperature (Ts) ........................... –65°C to 150°C
Lead Temperature (soldering, 10 sec.)...................... 260°C
ESD Rating
(3)
Operating Ratings(2)
Supply Voltage (VDD).................................. +4.75V to +5.5V
Ambient Temperature (TA) .......................... –40°C to +85°C
RF Frequency Range.............................. 300MHz to 440Hz
Data Duty-Cycle ................................................20% to 80%
Reference Oscillator Input Range.............. 0.2VPP to 1.5VPP
Demon Bandwidth........................................... 0.1 to 4.8kHz
Electrical Characteristics(4)
+4.75V ≤ VDD ≤ 5.5V, VSS = 0V; CAGC = 4.7μF, CTH = 2.2μF no preamble for data; fREFOSC = 3.36MHz. TA = 25°C, bold
values indicate –40°C ≤ TA ≤ +85°C; current flow into device pins is positive; unless noted.
Symbol
Parameter
Condition
Min
Typ
Max
Units
Continuous 315MHz operation
7
9
mA
continuous 433.92MHz operation
13
16
mA
IOP
Operating Current
reference oscillator powered down
2
2.5
mA
RF Section, IF Section
315MHz, SEL0 = 0V; Notes 5, 6
–90
–95
dBm
Receiver Sensitivity
433.92MHz, SEL0 = 0V; Notes 5, 6
–90
–95
dBm
fIF
IF Center Frequency
Note 7
2.0
MHz
315MHz, Notes 6, 7
0.8
MHz
fBW
IF Bandwidth
433.92MHz, Notes 6, 7
1.1
MHz
Maximum Receiver Input
RSC = 50Ω
–20
dBm
Spurious Reverse Isolation
ANT pin, RSC = 50Ω, Note 8
30
µVRMS
AGC Attack to Decay Ratio
tATTACK ÷ tDECAY
0.1
Reference Oscillator
Reference Oscillator Source
Current
7
µA
ZREFOSC
Reference Oscillator Input
Impedance
Note 9
200
kΩ
Demodulator
ZCTH
CTH Source Impedance
VSEL0 = VDD, See Table 1, Note 10
220
kΩ
ΔZCTH
Maximum CTH Source
Impedance Variation
±15
%
Digital/Control Section
ZIN(pu)
Input Pull-Up Impedance
SEL0
1.0
0.8
MΩ
IOUT
Output Current
DO pin, push-pull
10
µA
VOUT(high)
Output High Voltage
DO pin, IOUT = 1μA
0.8VDD
V
VOUT(low)
Output Low Voltage
DO pin, IOUT = 1μA
0.2VDD
V
tR, tF
Output Rise and Fall Times
DO pin, CLOAD = 15pF
10
µs


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