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MICRF008 Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MICRF008 Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 13 page 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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Similar Description - MICRF008_11 |
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