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ATA5291-GJQW

Passive Entry/Passive Start (PEPS) Driver and Immobilizer Base Station

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Overview of ATA5291-GJQW

The ATA5291-GJQW is a Low-Power UHF ASK/FSK Transmitter IC designed for use in wireless communication systems. This IC provides a compact and efficient solution for transmitting data wirelessly in various applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VCC: Positive Power Supply
  • GND: Ground
  • ANT: Antenna Connection
  • DOUT: Data Output
  • VDD: Positive Power Supply
  • TXD: Serial Data Input
  • XT1: Crystal Oscillator Input
  • XT2: Crystal Oscillator Output

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the ATA5291-GJQW IC for a more visual representation.

Key Features

  • Low-Power Operation: The ATA5291-GJQW operates at low power, making it suitable for battery-powered and energy-efficient applications.
  • UHF Transmitter: This IC is designed specifically for UHF band transmission, offering reliable wireless communication in the designated frequency range.
  • ASK/FSK Modulation: The IC supports Amplitude Shift Keying (ASK) and Frequency Shift Keying (FSK) modulation schemes for versatile data transmission.
  • Serial Data Interface: With the TXD pin, the IC provides a convenient serial data input for seamless integration with microcontrollers or other digital systems.
  • Crystal Oscillator Input: The XT1 and XT2 pins allow for connection to an external crystal oscillator for accurate frequency control.

Note: For detailed technical specifications, please refer to the ATA5291-GJQW datasheet.

Application

  • Wireless Data Transmission: The ATA5291-GJQW is ideal for applications requiring wireless data transmission, such as remote controls, telemetry systems, and sensor networks.
  • RF Remote Keyless Entry Systems: This IC can be used in RF remote keyless entry systems for automotive and industrial applications, enabling secure and reliable wireless access.
  • Home Automation: The ATA5291-GJQW is suitable for use in home automation systems to enable wireless control and communication between devices.

Functionality

The ATA5291-GJQW functions as a low-power UHF transmitter, supporting ASK and FSK modulation, and features a serial data interface for seamless integration with digital systems. It is a reliable and efficient solution for wireless data transmission.

Usage Guide

  • Power Supply: Connect VCC (Pin 1) to the positive power supply and GND (Pin 2) to ground.
  • Data Input: Provide the data to be transmitted to the TXD (Pin 6) input pin.
  • Antenna: Connect the antenna to the ANT (Pin 3) pin for transmission of the RF signal.

Frequently Asked Questions

Q: What is the operating frequency range of the ATA5291-GJQW?
A: The ATA5291-GJQW operates in the UHF frequency range, typically around 300-450 MHz.

Q: Can the ATA5291-GJQW be used in battery-powered applications?
A: Yes, the low-power operation of the ATA5291-GJQW makes it suitable for battery-powered applications requiring wireless data transmission functionality.

Equivalent

For similar functionalities, consider these alternatives to the ATA5291-GJQW:

  • RFM69HCW: A low-power, high-performance UHF transceiver module suitable for wireless applications.
  • SI4463: An integrated UHF transceiver IC with flexible data interface options for wireless communication.
  • CC1101: A highly integrated UHF transceiver IC capable of operating in various frequency bands with low power consumption.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Automotive Qualified Yes Operating Voltage (V) 4 to 28
Embedded uC N/A Flash (K) N/A
Operating Temp Min (C) -40 Operating Temp Max (C) 125

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