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ATA5282

Features: • Three Input Channels for 3D Antennas• 2.8 mVPP Sensitivity Typically• Ultra Low Current Operation Consumption• 2 A Standby Current Typically• 4 A Active Current Typically• Power Supply 2 V to 4.2 V• Carrier Frequency Range from 100 kHz to 150 k...

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SeekIC No. : 004291082 Detail

ATA5282: Features: • Three Input Channels for 3D Antennas• 2.8 mVPP Sensitivity Typically• Ultra Low Current Operation Consumption• 2 A Standby Current Typically• 4 A Active Cur...

ATA5282 Data Sheet

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Part Number:
ATA5282
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Three Input Channels for 3D Antennas
• 2.8 mVPP Sensitivity Typically
• Ultra Low Current Operation Consumption
• 2 A Standby Current Typically
• 4 A Active Current Typically
• Power Supply 2 V to 4.2 V
• Carrier Frequency Range from 100 kHz to 150 kHz
• Wake-up Function for a Microcontroller
• Header Detection
• Baud Rate up to 4 kbps (ASK Modulation)
• Bi-directional Two-wire Interface
• ESD According to Automotive Requirements


Application

• Passive Entry Go (PEG)/Car Access
• Position Indicator
• Home Access Control
• RFID Systems


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Value
Unit
Power supply
VDD
-0.3 to +6.5
V
Input voltage (except coil inputs)
VIN
VSS - 0.3 < VIN < VDD + 0.3
V
Input current coil
ICI
±10
mA
Input voltage coil
VCI
VDD - 3.5 < VCI < VDD + 3.5
V
ESD protection (human body)
VESD
4
kV
Operating temperature range
Tamb
-40 to +85
Storage temperature range
Tstg
-40 to +130
Soldering temperatur
Tsld
260
Thermal resistance (TSSOP 8L)
RthJA
240
k/W



Description

The ATA5282 is a 125-kHz ultra low power receiver IC with three input channels for Passive Entry Go applications. It includes all circuits for an LF wake-up channel. The three sensitive input stages of the IC amplifier demodulate and measure the input signal from the antenna coils. The microcontroller interface of the IC outputs the data signal as well as the measured RSSI values. During standby mode, the header detection unit monitors the incoming signal and generates a wake-up signal for the microcontroller if the IC receives a valid 125-kHz carrier signal.

By combining the IC ATA5282 with an antenna coil, a microcontroller, an RF transmitter/transceiver and a battery, it is possible to design a complete hands-free key for Passive Entry Go applications.




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