Atmel ATA5283 Manuel d'utilisateur

Features• Wake-up Function for a Microcontroller with Preamble Detection• 1mVrms Sensitivity• 1 µA Standby Current• Power Supply: 2V to 3.8V• Baud Rat

104598H–AUTO–03/07ATA52837. Electrical CharacteristicsVSS = 0V, VDD = 2V to 3.8V, Tamb = –40°C to +105°C, characterized up to 125°C, unless other spec

114598H–AUTO–03/07ATA52833 Automatic Gain Control3.1 Preamble detection timeVIN≥ 3mVrms at 125 kHztDAGC192 Periods B3.2 AGC adjustment timef = 125 kHz

124598H–AUTO–03/07ATA52839. Package Information 8. Ordering InformationExtended Type Number Package RemarksATA5283P-6AQJ TSSOP8L 5000 pieces, taped an

134598H–AUTO–03/07ATA528310. Revision History Please note that the following page numbers referred to in this section refer to the specific revision m

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24598H–AUTO–03/07ATA52832. Pin ConfigurationFigure 2-1. Pinning TSSOP8L VDD3421N_DATAN_WAKEUPRESETCOIL 8765TST2TST1VSSFigure 2-2. Pin DescriptionPin S

34598H–AUTO–03/07ATA52833. Functional DescriptionThe ATA5283 is an ultra-low power ASK receiver. Without a carrier signal it operates in thestandby li

44598H–AUTO–03/07ATA52833.3 Automatic Gain ControlFor a correct demodulation the signal conditioner needs appropriate internal signal amplitude.To con

54598H–AUTO–03/07ATA52833.4 Signal ConditionerThe signal conditioner demodulates the amplifier output signal and converts it to a binary signal.It com

64598H–AUTO–03/07ATA5283Figure 3-5. Turn Off Delay Time (toff) versus Antenna Q-Factor 3.5 Data OutputThe data output N_DATA outputs the demodulated a

74598H–AUTO–03/07ATA52833.8 Standby Listen ModeIn the standby listen mode the IC monitors the coil input with a very low current consumption.The autom

84598H–AUTO–03/07ATA5283Figure 3-7. Pin Connection and Pin Protection Figure 3-8. Coil Input Impedance 2 kΩDivider impedance143 kΩ to 5 MΩ2 kΩ7VDDVDDN

94598H–AUTO–03/07ATA52834. Absolute Maximum RatingsStresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the dev