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

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IC card interface

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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 頁數(shù)：38 Pages

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低壓電源智能卡接口

TDA8025是一款經(jīng)濟(jì)實惠的模擬接口，用于在3 V、1.8 V或可選1.2 V電源下工作的異步智能卡。只需少量外部元件，便可讓TDA8025提供集成式電源、保護(hù)和控制功能，并適用于各種應(yīng)用。 集成電路智能卡接口\n采用3 V、1.8 V或1.2 V智能卡電源\n非激活模式下具有低功耗\n三條受保護(hù)的半雙工雙向緩沖輸入/輸出線（C4、C7和C8）\nVCC調(diào)節(jié)： 使用一個220 nF和一個470 nF低ESR多層陶瓷電容可實現(xiàn)3 V、1.8 V或可選1.2 V +- 5%電壓\n電流脈沖處理：VCC = 3 V時具有40 nAs脈沖；VCC = 1.8 V或VCC = 1.2 V至20 MHz時具有15 nAs脈沖\n\n用于所有卡片接觸的熱保護(hù)和短路保護(hù)\n自動激活和取消激活序列由短路、卡片移走、過熱、VDD(INTF)和VDD(INTREGD)下降進(jìn)行觸發(fā)\n卡片端具有增;

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