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ATA5278 Datasheet(PDF) 1 Page - ATMEL Corporation |
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ATA5278 Datasheet(HTML) 1 Page - ATMEL Corporation |
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1 / 34 page  Features • SPI for Microcontroller Connection with Up to 1 Mbit/s • Internal Data Buffer for Timing-independent Data Transmission • Programmable Driver Current Regulation • One-chip Antenna Driver Stage for 1A Peak Current • LF Baud Rates Between 1 kbaud and 4 kbaud • Quick Start Control (QSC) for Fast Oscillation Build-up and Decay Timing • Integrated Oscillator for Ceramic Resonators • Power Supply Range from 7.5V to 16V Direct Battery Input (Up to 28V With Limited Function Range) • Amplitude Shift Keying (ASK) Modulation • Phase Shift Keying (PSK) Modulation • Carrier Frequency Range from 100 kHz to 150 kHz • Operational Temperature –40°C to +105°C • EMI and ESD According to Automotive Requirements • Highly Integrated — Less External Components Required Applications • Hands-free Car Access (Passive Entry/Go) • Tire Pressure Measurement • Home Access Control • Care Watch Systems Benefits • Diagnosis Function and Overtemperature Protection • Load Dump Protection Up to 45V for 12V Boards • Power-down Mode for Minimum Power Consumption 1. Description The ATA5278 device is an integrated BCDMOS antenna driver IC dedicated as a transmitter for Passive Entry/Go (PEG) car applications and for other hands-free access control applications. It includes the full functionality of generating a magnetic LF field in conjunction with an antenna coil to transmit data to a receiver in a key fob, card or transponder. A micro- controller can access the chip via a bi-directional serial interface. Stand-alone Antenna Driver ATA5278 4832D–RKE–12/07 |
Similar Part No. - ATA5278_07 |
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Similar Description - ATA5278_07 |
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