TDA8025 IC card interface Rev.
01 — 6 April 2009 www.
datasheet4u.
com Product data sheet 1.
General description The TDA8025 is a cost-effective analog interface for asynchronous smart cards operating at 3 V, 1.
8 V or optionally, 1.
2 V.
Using few external components, the TDA8025 provides integrated supply, protection and control functions for a range of applications.
2.
Features I I I I I Integrated circuit smart card interface 3 V, 1.
8 V or 1.
2 V smart card supply Low power consumption in inactive mode Three protected, half duplex, bidirectional buffered input/output lines (C4, C7 and C8) VCC regulation: N 3 V, 1.
8 V or optionally 1.
2 V at ± 5 % using one 220 nF and one 470 nF low ESR mult...

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