IC card interface

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. Features ■ Integra

文件：188.45 Kbytes 页数：38 Pages

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IC card interface

文件：178.52 Kbytes 页数：38 Pages

PHI

PHI

IC card interface

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IC card interface

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. Features ■ Integra

文件：188.45 Kbytes 页数：38 Pages

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低压电源智能卡接口

TDA8025是一款经济实惠的模拟接口，用于在3 V、1.8 V或可选1.2 V电源下工作的异步智能卡。只需少量外部元件，便可让TDA8025提供集成式电源、保护和控制功能，并适用于各种应用。 集成电路智能卡接口\n采用3 V、1.8 V或1.2 V智能卡电源\n非激活模式下具有低功耗\n三条受保护的半双工双向缓冲输入/输出线（C4、C7和C8）\nVCC调节： 使用一个220 nF和一个470 nF低ESR多层陶瓷电容可实现3 V、1.8 V或可选1.2 V +- 5%电压\n电流脉冲处理：VCC = 3 V时具有40 nAs脉冲；VCC = 1.8 V或VCC = 1.2 V至20 MHz时具有15 nAs脉冲\n\n用于所有卡片接触的热保护和短路保护\n自动激活和取消激活序列由短路、卡片移走、过热、VDD(INTF)和VDD(INTREGD)下降进行触发\n卡片端具有增;

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