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ATA5277 - STAND-ALONE ANTENNA DRIVER

General Description

The circuit is an integrated BCDMOS antenna driver IC dedicated as a transmitter for Passive Entry/Go (PEG) car applications and for other handsfree access control applications.

Key Features

  • Programmable Driver Current Regulation Antenna Driver Stage for 1 A Peak Current LF Baudrates between 1 kbaud to 8 kbaud Integrated Oscillator for Ceramic Resonators Two Inputs for Push-button Switches Bi-directional Single-wire Interface Diagnosis Function and Overtemperature Protection Quick Start Control (QSC) for Fast Oscillation Build-up and Decay Timing Operatio.

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Full PDF Text Transcription for ATA5277 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for ATA5277. For precise diagrams, and layout, please refer to the original PDF.

Features • • • • • • • • • • • • • Programmable Driver Current Regulation Antenna Driver Stage for 1 A Peak Current LF Baudrates between 1 kbaud to 8 kbaud Integrated Osc...

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A Peak Current LF Baudrates between 1 kbaud to 8 kbaud Integrated Oscillator for Ceramic Resonators Two Inputs for Push-button Switches Bi-directional Single-wire Interface Diagnosis Function and Overtemperature Protection Quick Start Control (QSC) for Fast Oscillation Build-up and Decay Timing Operation Temperature -40°C to +85°C Carrier Frequency Range from 100 kHz to 150 kHz Amplitude Shift Keying (ASK) Modulation Phase Shift Keying (PSK) Modulation Power Supply Range 7 V to 16 V Direct Battery Input (6 V and 28 V with Limited Function Range) • EMI and ESD According to Automotive Requirements • Highly Integrated — Less

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