MICRF003 Просмотр технического описания (PDF) - Micrel
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MICRF003 Datasheet PDF : 16 Pages
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MICRF003
QwikRadio tm
Micrel
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VDDRF, VDDBB)..................................+7V
Voltage on any I/O Pin.........................VSS-0.3 to VDD+0.3
Junction Temperature...............................................+150°C
Storage Temperature Range......................-65°C to + 150°C
Lead Temperature (soldering, 10 seconds)..............+ 260°C
Operating Ratings
Supply Voltage (VDDRF, VDDBB)....................4.75V to
5.5V
Ambient Operating Temperature (TA)..........-40°C to
+105°C
Package Thermal Resistance θja (8 Pin SOIC).....120°C/W
Package Thermal Resistance θja (16 Pin SOIC).....120°C/W
Electrical Characteristics
Unless otherwise stated, these specifications apply for Ta = -40°C to 105°C, 4.75<VDD<5.5V. All voltages are with respect
to Ground; Positive currents flow into device pins. CAGC = 4.7µF, CTH = .047µF, VDDRF = VDDBB = VDD. REFOSC
frequency = 6.75MHz.
Parameter
Test Conditions
MIN TYP MAX UNITS
Power Supply
Operating Current
4
mA
Operating Current
10:1 Duty Cycle
400
µA
Standby Current
SHUT = VDD
1
µA
RF/IF Section
Receiver Sensitivity
Note 1, 3
-95
dBm
IF Center Frequency
Note 4
2.37
MHz
IF 3dB Bandwidth
Note 3, 4
1.18
MHz
Receive Data Rate
FIXED Mode, Manchester Encoded Data
20
kbps
Receive Data Rate
SWP Mode, Manchester Encoded Data
5
kbps
RF Input Range
800
1000
MHz
Receive Modulation Duty-Cycle
20
80
%
Maximum Receiver Input
Rs = 50Ω
-20
dBm
Spurious Reverse Isolation
ANT pin, Rs = 50Ω Note 2
30
µVrms
AGC Attack / Decay ratio
T(Attack) / T(Decay)
0.1
AGC Leakage Current
Ta = 85°C
±200
nA
Local Oscillator Stabilization Time To 1% of Final Value
2.5
msec
Demod Section
CTH Source Impedance
Note 5
90k
Ω
CTH Source Impedance Variation
-15
+15
%
CTH Leakage Current
Ta = 85°C
±200
nA
Demod Filter Bandwidth
SEL0 = SEL1 = SWEN = VDD, Note 4, 6
5730
Hz
Demod Filter Bandwidth
Digital/Control Section
SEL0 = SEL1 = VDD, SWEN = VSS,
Note 4, 6
21500
Hz
REFOSC Input Impedance
200k
Ω
Input Pullup Current
SEL0, SEL1, SWEN, SHUT=VSS
8
µA
Input High Voltage
SEL0, SEL1, SWEN
0.8VDD
V
Input Low Voltage
SEL0, SEL1, SWEN
0.2VDD
V
Output Current
DO, WAKEUP pins, Push-Pull
35
µA
Output High Voltage
DO, WAKEUP pins, Iout = -1µA
0.9VDD
V
Output Low Voltage
DO. WAKEUP pins, Iout = +1µA
0.1VDD
V
Output Tr, Tf
DO, WAKEUP pins, Cload=15pF
5
µsec
October 1999
4
MICRF003
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