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EM4095 Datasheet PDF

EM Microelectronic EM4095

The EM4095 (previously named P4095) chip is a CMOS integrated transceiver circuit intended for use in an RFID basestation to perform the following functions: - antenna driving with carrier frequency - AM modulation of the field for writable transponder - AM demodulation of the antenna signal modulation induced by the transponder communicate with a microprocessor via simple interface.
Part No. EM4095
Datasheet EM4095 Download
Manufacturer
EM Microelectronic
Description Read / Write Analog Front-End
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EM4095 datasheet page 1 preview

DESCRIPTION

● Data transmission by Amplitude Modulation with externally adjustable modulation index using single ended driver
● Multiple transponder protocol compatibility (Ex: EM4102, EM4200, EM4450 and EM4205/EM4305)
● Sleep mode 1µA
● USB compatible power supply range
● -40 to +85°C temperature range
● Small outline plastic package SO16

FEATURES

● Integrated PLL system to achieve self adaptive carrier frequency to antenna resonant frequency
● No external quartz required
● 100 to 150 kHz carrier frequency range
● Direct antenna driving using bridge drivers
● Data transmission by OOK (100% Amplitude Modulation) using bridge driver Typical Operating Configuration Read Only Mode LA +5V CRES CDV1 +5V CDV2 RDY /CLK 1 16 CDC2 2 15 CFCAP 3 14 SHD DEMOD_OUT 4 EPM44009955 13 5 12 MOD P 6 11 CAGND 7 10 CDEC 8 9

APPLICATIONS

● Car immobiliser
● Hand held reader
● Low cost reader Pin Assignment VSS RDY/CLK ANT1 DVDD DVSS ANT2 VDD DEMOD_IN SO16 DC2 FCAP SHD DEMOD_OUT MOD AGND CDEC_IN CDEC_OUT Fig.
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