TRF7961RHBRG4

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design TRF7960, TRF7961 SLOU186G – AUGUST 2006 – REVISED MAY 2017 TRF7960, TRF7961 Multiple-Standard Fully Integrated 13.56-MHz RFID Analog Front End and Data-Framing Reader System 1 Device Overview 1.1 Features 1 • Completely Integrated Protocol Handling • Separate Internal High-PSRR Power Supplies for Analog, Digital, and PA Sections Provide Noise Isolation for Superior Read Range and Reliability • Dual Receiver Inputs With AM and PM Demodulation to Minimize Communication Holes • Receiver AM and PM RSSI • Reader-to-Reader Anticollision • High Integration Reduces Total BOM and Board Area – Single External 13.56-MHz Crystal Oscillator – MCU-Selectable Clock-Frequency Output of RF, RF/2, or RF/4 – Adjustable 20-mA High-PSRR LDO for Powering External MCU • Easy to Use With High Flexibility – Automatically Configured Default Modes for Each Supported ISO Protocol – 12 User-Programmable Registers 1.2 • • • • • Applications Secure Access Control Product Authentication 1.3 • • – Selectable Receiver Gain – Programmable Output Power (100 mW or 200 mW) – Adjustable ASK Modulation Range (8% to 30%) – Built-In Receiver Band-Pass Filter With UserSelectable Corner Frequencies Wide Operating Voltage Range of 2.7 V to 5.5 V Ultra-Low-Power Modes – Power Down: