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TDA8024, TDA8024AT, TDA8024AT/C1118

Table of contents:
Info of TDA8024
Info of TDA8024AT
Info of TDA8024AT/C1118

TDA8024, TDA8024AT, TDA8024AT/C1118 Selling Leads, Datasheet

MFG:NXP Package Cooled:SOP28 D/C:08+

TDA8024, TDA8024AT, TDA8024AT/C1118 Picture

TDA8024, TDA8024AT, TDA8024AT/C1118 Datasheet download

Five Points

Part Number: TDA8024

MFG: NXP

Package Cooled: SOP28

D/C: 08+

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TDA8024 General Description

The TDA8024 is a complete and cost-efficient analog interface for asynchronous 3 or 5 V smart cards. It can be placed between the card and the microcontroller to perform all supply, protection and control functions. Very few external components are required. The TDA8024AT isa direct replacement for the TDA8004AT.

More information can be obtained from the Philips Internet site (http://www.semiconductors.philips.com) and from "Application note AN10141".

TDA8024 Features

` IC card interface
` 3 or 5 V supply for the IC (VDD and GND)
` Three specifically protected half-duplex bidirectional buffered I/O lines to card contacts C4, C7 and C8
` DC/DC converter for VCC generation separately powered from a 5 V ± 20% supply (V_DDP and PGND)
` 3 or 5 V ± 5% regulated card supply voltage (V_CC) with appropriate decoupling has the following capabilities:
I_CC < 80 mA at VDDP = 4 to 6.5 V
Handles current spikes of 40 nAs up to 20 MHz
Controls rise and fall times
Filtered overload detection at approximately 120 mA
` Thermal and short-circuit protection on all card contacts
` Automatic activation and deactivation sequences; initiated by software or by hardware in the event of a short-circuit, card take-off, overheating, V_DD or V_DDPdrop-out
` Enhanced ESD protection on card side (>6 kV)
` 26 MHz integrated crystal oscillator
` Clock generation for cards up to 20 MHz (divided by 1, 2, 4 or 8 through CLKDIV1 and CLKDIV2 signals) with synchronous frequency changes
` Non-inverted control of RST via pin RSTIN
` ISO 7816, GSM11.11 and EMV (payment systems) compatibility
` Supply supervisor for spike-killing during power-on and power-off and Power-on reset (threshold fixed internally or externally by a resistor bridge); not for TDA8024AT
` Built-in debounce on card presence contacts
` One multiplexed status signal OFF.

TDA8024 Typical Application

· IC card readers for banking
· Electronic payment
· Identification
· Pay TV.

TDA8024 Connection Diagram

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