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TDA8002BT Datasheet(PDF) 2 Page - NXP Semiconductors |
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TDA8002BT Datasheet(HTML) 2 Page - NXP Semiconductors |
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2 / 28 page  1997 Nov 04 2 Philips Semiconductors Product specification IC card interface TDA8002 FEATURES • Single supply voltage interface (3.3 or 5 V environment) • Low-power sleep mode • Three specific protected half-duplex bidirectional buffered I/O lines • VCC regulation (5 V ±5%, ICC <65 mA at VDD = 5 V, with controlled rise and fall times • Thermal and short-circuit protections with current limitations • Automatic ISO 7816 activation and deactivation sequences • Enhanced ESD protections on card side (>6 kV) • Clock generation for the card up to 12 MHz with synchronous frequency changes • Clock generation up to 20 MHz (auxiliary clock) • Synchronous and asynchronous cards (memory and smart cards) • ISO 7816, GSM11.11 compatibility and EMV (Europay, Mastercard, Visa) compliant • Step-up converter for VCC generation • Supply supervisor for spikes elimination and emergency deactivation. APPLICATIONS • IC card readers for: – GSM applications – banking – electronic payment – identification – Pay TV – road tolling. GENERAL DESCRIPTION The TDA8002 is a complete low-power, analog interface for asynchronous and synchronous cards. It can be placed between the card and the microcontroller. It performs all supply, protection and control functions. It is directly compatible with ISO 7816, GSM11.11 and EMV specifications. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply VDDA analog supply voltage 3.0 5 6.5 V IDD supply current sleep mode −− 150 µA idle mode; fCLK = 2.5 MHz; fCLKOUT = 10 MHz; VDD =5V −− 6mA active mode; fCLK = 2.5 MHz; fCLKOUT = 10 MHz; VDD =5V −− 9mA active mode; fCLK = 2.5 MHz; fCLKOUT = 10 MHz; VDD =3V −− 12 mA Card supply VCC(O) output voltage DC load <65 mA 4.75 − 5.25 V ICC(O) output current VCC short-circuited to GND −− 100 mA General fCLK card clock frequency 0 − 12 MHz Tde deactivation cycle time 60 80 100 µs Ptot continuous total power dissipation TDA8002AT; TDA8002BT Tamb = −25 to +85 °C −− 0.56 W TDA8002G Tamb = −25 to +85 °C −− 0.46 W Tamb operating ambient temperature −25 − +85 °C |
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