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EM4095 Datasheet Read / Write Analog Front-end

Manufacturer: EM Microelectronic (Swatch Group)

Overview: EM MICROELECTRONIC - MARIN SA EM4095 Read/Write analog front end for 125 kHz RFID.

General Description

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.

 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

Key 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.

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EM4095 Distributor