參數(shù)資料
型號： TDA8035HN/C1
廠商： NXP SEMICONDUCTORS
元件分類： 模擬信號調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PQCC32
封裝： 5 X 5 MM, 0.85 MM HEIGHT, PLASTIC, SOT617-7, HVQFN-32
文件頁數(shù)： 1/32頁
文件大小： 908K
代理商： TDA8035HN/C1
1.
General description
The TDA8035 is the cost efficient successor of the well established integrated contact
smart card reader IC TDA8024. 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 standby mode of the
contact reader is very low and 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 protections on all card contacts
Vcc regulation:
5 V, 3 V, 1.8 V
± 5 % on 2 × 220 nF multilayer ceramic capacitors with low ESR
current spikes of 40 nA/s (Vcc = 5 V and 3 V) or 15 nA/s (Vcc = 1.8 V) 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, falling VREG VDD(INTF),VDDP
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
2.2 Easy integration into your contact reader
SW compatible to TDA8024 and TDA8034
5 V, 3 V, 1.8 V smart card supply
DC/DC converter for Vcc generation separately powered from 2.7 V to 5.5 V supply
(VDDP and GNDP)
Very low power consumption in Deep Shutdown mode
Three protected half-duplex bidirectional buffered I/O lines (C4, C7 and C8 )
External clock input up to 26 MHz
Card clock generation up to 20 MHz using pins CLKDIV1 and CLKDIV2 with
synchronous frequency changes of fXTAL, fXTAL/2, fXTAL/4 or fXTAL/8
Non-inverted control of pin RST using pin RSTIN
Built-in debouncing on card presence contact
Multiplexed status signal using pin OFFN
TDA8035HN
Smart card interface
Rev. 1.0 — 19 April 2011
Product data sheet
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