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TDA8034AT - Smart Card Interface

General Description

The TDA8034T/TDA8034AT is a cost-effective analog interface for asynchronous and synchronous smart cards operating at 5 V or 3 V.

Using few external components, the TDA8034T/TDA8034AT provides all supply, protection and control functions between a smart card and the microcontroller.

2.

Key Features

  • Integrated circuit smart card interface in an SO16 package.
  • 5 V or 3 V smart card supply.
  • One protected half-duplex bidirectional buffered I/O line (C7).
  • VCC regulation:.
  • 5 V  5 % or 3 V  5 % using two low ESR multilayer ceramic capacitors: one of 220 nF and one of 470 nF.
  • current spikes of 40 nA/s (VCC = 5 V and 3 V) or 15 nA/s (VCC =1.8 V) up to 20 MHz, with controlled rise and fall times and filtered overload detection of approximately 120 mA.
  • Thermal and.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TDA8034T; TDA8034AT Smart card interface Rev. 3.1 — 13 December 2012 Product data sheet 1. General description The TDA8034T/TDA8034AT is a cost-effective analog interface for asynchronous and synchronous smart cards operating at 5 V or 3 V. Using few external components, the TDA8034T/TDA8034AT provides all supply, protection and control functions between a smart card and the microcontroller. 2. Features and benefits  Integrated circuit smart card interface in an SO16 package  5 V or 3 V smart card supply  One protected half-duplex bidirectional buffered I/O line (C7)  VCC regulation:  5 V  5 % or 3 V  5 % using two low ESR multilayer ceramic capacitors: one of 220 nF and one of 470 nF  current spikes of 40 nA/s (VCC = 5 V and 3 V) or 15 nA/s (VCC =1.