Datasheet > TDA8037T

TDA8037T

更新时间： 2024-11-22 17:00:47

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
29页	830K
描述
Low power 3V smart card interface

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TDA8037T 数据手册

TDA8037

Low power 3V smart card interface

Rev. 1.2 — 30 June 2016

Product data sheet

1. General description

The TDA8037 is the cost efficient successor of the established integrated contact smart

card reader IC TDA8035. It offers a high level of security for the card performing current

limitation, short circuit detection, ESD protection as well as supply supervision. Operating

in 3 V supply domain, the current consumption during the shutdown mode of the contact

reader is very low. It is therefore the ideal component for a power efficient contact reader.

2. Features and benefits

2.1 Protection of the contact smart card

 Thermal and short-circuit protection on all card contacts

 V_CCregulation:

 3 V  5 % on 2  220 nF multilayer ceramic capacitors with low ESR

 Current spikes of 40 nA up to 20 MHz, with controlled rise and fall times, filtered

overload detection approximately 120 mA

 Automatic activation and deactivation sequences initiated by software or by hardware

in the event of a short-circuit, card take-off, overheating, V_DDhost, VREG and V_DD

dropping

 Enhanced card-side ElectroStatic Discharge (ESD) protection of (> 8 kV)

 Supply supervisor for killing spikes during power on and off:

 threshold internally fixed

 externally by a resistor bridge (with SO28 package only)

2.2 Easy integration into your contact reader

 SW compatible to TDA8024, TDA8034 and TDA8035

 3 V smart card supply

 Three protected half-duplex bidirectional buffered I/O lines (C4, C7 and C8)

 External clock input up to 20 MHz

 Card clock generation up to 20 MHz using pin CLKDIV with synchronous frequency

changes of f_CLKIN, f_CLKIN/2 (with SO28 package only)

 Non-inverted control of pin RST using pin RSTIN

 Built-in debouncing on card presence contact

 Multiplexed status signal using pin OFFN

 Chip Select digital input for parallel operation of several TDA8037 ICs (with SO28

package only)

12 3 4 5 6 7...29

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