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LA7209V Datasheet(PDF) 1 Page - Sanyo Semicon Device

Part No. LA7209V
Description  Monolithic Linear IC ISO/IEC-14443 (proximity) RF amplifier for contact-less IC card and tag
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
30707 MS PC B8-7269 No.A0641-1/14
LA7209V
Overview
The LA7209V is a ISO/IEC-14443 (proximity) RF amplifier for contact-less IC card and tag.
Features
• Driver amplifier for ASK modulation (under 500mW) :
Modulation and output level be able to changing by out side constant.
• Diode detector (bridge connecting) : Abstract the data by envelope detector.
• Band pass filter (10kHz to 1MHz) : Data frequency bandwidth pass filter.
• Variable gain amplifier + fixed gain amplifier :
Choosing the wide range output level by additional fixed gain amplifier.
• Comparator (10mVp-p to 2Vp-p) : Converting to the pulse signal of 0/5 volts from small signal.
• Regulator (2V) : Can be use the VCC = 2.7V to 6.0V (recommend VCC : 3V ±10% or 5V ±10%)
• Type changeover switch (card type A/B, C) : All smart card and RF-tag can be read and write by TYPE_CTL.
• Power save (mute) changeover switch : Power save (= 650μA) and output mute can be setting by PWR_CTL.
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
9.0
V
Allowable power dissipation
Pd max
Ta
≤ 75°C *
600
mW
Operating temperature
Topr
-20 to +75
°C
Storage temperature
Tstg
-40 to +125
°C
∗ When mounted on a 114.3mm×76.1mm×1.6mm, glass epoxy board.
Monolithic Linear IC
ISO/IEC-14443 (proximity) RF amplifier
for contact-less IC card and tag
Ordering number : ENA0641




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