TDA8024T-T
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NXP USA Inc. TDA8024T-T

Manufacturer No:
TDA8024T-T
Manufacturer:
NXP USA Inc.
Package:
Tape & Reel (TR)
Description:
IC INTERFACE SPECIALIZED 28SO
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The TDA8024T-T, produced by NXP USA Inc., is a complete and cost-efficient analog interface designed for asynchronous 3 V or 5 V smart cards. This component acts as an intermediary between the smart card and the microcontroller, handling all necessary supply, protection, and control functions. It requires very few external components, making it a streamlined solution for smart card interfaces. The TDA8024T-T is also a direct replacement for the TDA8004AT, offering enhanced functionality and compatibility with various standards including ISO 7816, GSM11.11, and EMV payment systems.

Key Specifications

SpecificationDetails
Supply Voltage3 V or 5 V (VDD and GND)
Card Supply Voltage3 V or 5 V ± 5% (VCC)
Power Supply for VCC Generation5 V ± 20% (VDDP and PGND)
I/O LinesThree protected half-duplex bidirectional buffered I/O lines to card contacts C4, C7, and C8
Current CapabilityICC < 80 mA at VDDP = 4 V to 6.5 V
Current Spikes HandlingHandles current spikes of 40 nA up to 20 MHz
Protection FeaturesThermal and short-circuit protection on all card contacts, filtered overload detection at approximately 120 mA
ESD ProtectionEnhanced ESD protection on card side (>6 kV)
Clock Generation26 MHz integrated crystal oscillator, clock generation for cards up to 20 MHz
Package Type28-SOIC (0.295", 7.50mm Width)
Mounting TypeSurface Mount

Key Features

  • Analog interface for asynchronous 3 V or 5 V smart cards
  • Handles all supply, protection, and control functions between the card and the microcontroller
  • Three protected half-duplex bidirectional buffered I/O lines to card contacts C4, C7, and C8
  • DC-to-DC converter for VCC generation separately powered from a 5 V ± 20% supply (VDDP and PGND)
  • Automatic activation and deactivation sequences initiated by software or hardware in the event of a short-circuit, card take-off, overheating, VDD or VDDP drop-out
  • Enhanced ESD protection on card side (>6 kV)
  • 26 MHz integrated crystal oscillator and clock generation for cards up to 20 MHz
  • Non-inverted control of RST via pin RSTIN
  • Compatibility with ISO 7816, GSM11.11, and EMV payment systems

Applications

  • Precision data acquisition systems
  • Battery-powered systems
  • Sample-and-hold systems
  • Communication systems
  • Data acquisition systems
  • Relay replacement applications
  • Existing multiplexer applications (both fault-protected and nonfault-protected)
  • New designs requiring multiplexer functions

Q & A

  1. What is the primary function of the TDA8024T-T? The TDA8024T-T is an analog interface for asynchronous 3 V or 5 V smart cards, acting as an intermediary between the smart card and the microcontroller.
  2. What are the supported supply voltages for the TDA8024T-T? The component supports 3 V or 5 V supply voltages (VDD and GND) and a separate 5 V ± 20% supply (VDDP and PGND) for VCC generation.
  3. What kind of protection does the TDA8024T-T offer? It offers thermal and short-circuit protection on all card contacts, filtered overload detection, and enhanced ESD protection on the card side (>6 kV).
  4. What is the clock generation capability of the TDA8024T-T? It includes a 26 MHz integrated crystal oscillator and can generate clocks for cards up to 20 MHz.
  5. What standards is the TDA8024T-T compatible with? It is compatible with ISO 7816, GSM11.11, and EMV payment systems.
  6. What is the package type and mounting type of the TDA8024T-T? The package type is 28-SOIC (0.295", 7.50mm Width) and the mounting type is Surface Mount.
  7. What are some common applications of the TDA8024T-T? Common applications include precision data acquisition, battery-powered systems, sample-and-hold systems, and communication systems.
  8. Does the TDA8024T-T require many external components? No, it requires very few external components.
  9. Can the TDA8024T-T handle current spikes? Yes, it can handle current spikes of 40 nA up to 20 MHz.
  10. How does the TDA8024T-T manage activation and deactivation sequences? The sequences are initiated by software or hardware in the event of a short-circuit, card take-off, overheating, VDD or VDDP drop-out.

Product Attributes

Applications:- 
Interface:Analog
Voltage - Supply:2.7V ~ 6.5V
Package / Case:28-SOIC (0.295", 7.50mm Width)
Supplier Device Package:28-SO
Mounting Type:Surface Mount
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In Stock

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