MICRF004BN Просмотр технического описания (PDF) - Micrel
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MICRF004BN Datasheet PDF : 16 Pages
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MICRF004/RF044
Absolute Maximum Ratings (Note 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 Range (TS) ............ –65°C to +150°C
Lead Temperature (soldering, 10 sec.) ................... +260°C
ESD Rating, Note 3
Micrel
Operating Ratings (Note 2)
Supply Voltage (VDDRF, VDDBB) ................ +4.75V to +5.5V
Ambient Temperature (TA) ......................... –40°C to +85°C
Package Thermal Resistance (θJA)
16-pin DIP (θJA) ................................................... 90°C/W
16-pin SOIC (θJA) .............................................. 120°C/W
Electrical Characteristics
VDDRF = VDDBB = VDD where +4.75V ≤ VDD ≤ 5.5V, VSS = 0V; CAGC = 4.7µF, CTH = 0.047µF; fREFOSC = 4.65MHz; 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
IOP
Operating Current
continuous operation
10:1 duty cycle
2.4
mA
240
µA
ISTBY
Standby Current
RF Section, IF Section
VSHUT = VDD
0.35
µA
Receiver Sensitivity
Notes 4, 6
–80
dBm
fIF
fBW
fANT
ZIN(ant)
IF Center Frequency
IF 3dB Bandwidth
RF Input Range
Antenna Input Impdeance
Receive Modulation Duty-Cycle
Note 7
Notes 6, 7
fIN = 150MHz
0.86
MHz
0.43
MHz
145
200 MHz
422
Ω
20
80
%
Maximum Receiver Input
Spurious Reverse Isolation
AGC Attack to Decay Ratio
AGC Leakage Current
Reference Oscillator
RSC = 50Ω
ANT pin, RSC = 50Ω, Note 5
tATTACK ÷ tDECAY
TA = +85°C
–20
dBm
30
µVrms
0.1
±200 nA
Reference Oscillator
Stabilization Time
extermal reference (250mV peak)
ceramic resonator
6
ms
5
ms
crystal
10
ms
ZREFOSC
Reference Oscillator
Input Impedance
290
kΩ
Reference Oscillator
Input Sensitivity
Note 10
0.1
2
Vp-p
IREFOSC
Reference Oscillator Current
Demodulator
4.5
µA
ZCTH
∆ZCTH
IZCTH(leak)
CTH Source Impedance
CTH Source Impedance Variation
CTH Leakage Current
Demodulator Filter Bandwidth
Demodulator Filter Bandwidth
Note 8
TA = +85°C
VSEL0 = VSEL1 = VSWEN = VDD, Notes 7, 9
VSEL0 = VSEL1 = VDD, VSWEN = VSS,
Note 7, 9
124
kΩ
±15
%
±200
nA
3960
Hz
7930
Hz
MICRF004
4
February 9, 2000
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