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TRF7960_12

更新时间： 2024-11-23 07:09:39
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德州仪器 - TI /
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51页 1170K
描述
MULTI-STANDARD FULLY INTEGRATED 13.56-MHZ RFID ANALOG FRONT END AND DATA-FRAMING READER SYSTEM

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TRF7960_12 数据手册

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TRF7960  
TRF7961  
www.ti.com  
SLOU186F–AUGUST 2006–REVISED AUGUST 2010  
MULTI-STANDARD FULLY INTEGRATED 13.56-MHZ RFID  
ANALOG FRONT END AND DATA-FRAMING READER SYSTEM  
Check for Samples: TRF7960, TRF7961  
1 Introduction  
1.1 Features  
12  
• Completely Integrated Protocol Handling  
• Parallel 8-Bit or Serial 4-Pin SPI Interface With  
MCU Using 12-Byte FIFO  
• Ultra-Small 32-Pin QFN Package  
(5 mm × 5 mm)  
• Separate Internal High-PSRR Power Supplies  
for Analog, Digital, and PA Sections Provide  
Noise Isolation for Superior Read Range and  
Reliability  
• Available Tools  
• Dual Receiver Inputs With AM and PM  
Demodulation to Minimize Communication  
Holes  
– Reference Design/EVM With Development  
Software  
– Source Code Available for MSP430  
• Receiver AM and PM RSSI  
• Reader-to-Reader Anti-Collision  
• High Integration Reduces Total BOM and Board  
1.2 APPLICATIONS  
•
•
Secure Access Control  
Product Authentication  
Area  
– Single External 13.56-MHz Crystal Oscillator  
–
–
Printer Ink Cartridges  
– MCU-Selectable Clock-Frequency Output of  
RF, RF/2, or RF/4  
Blood Glucose Monitors  
– Adjustable 20-mA, High-PSRR LDO for  
Powering External MCU  
• Easy to Use With High Flexibility  
•
•
Contactless Payment Systems  
Medical Systems  
– Auto-Configured Default Modes for Each  
Supported ISO Protocol  
– 12 User-Programmable Registers  
– Selectable Receiver Gain and AGC  
– Programmable Output Power  
(100 mW or 200 mW)  
– Adjustable ASK Modulation Range  
(8% to 30%)  
– Built-In Receiver Band-Pass Filter With  
User-Selectable Corner Frequencies  
• Wide Operating Voltage Range of 2.7 V to 5.5 V  
• Ultra-Low-Power Modes  
– Power Down < 1 μA  
– Standby 120 μA  
– Active (Rx only) 10 mA  
1.3 Description  
The TRF7960/61 is an integrated analog front end and data-framing system for a 13.56-MHz RFID reader  
system. Built-in programming options make it suitable for a wide range of applications for proximity and  
vicinity RFID systems.  
The reader is configured by selecting the desired protocol in the control registers. Direct access to all  
control registers allows fine tuning of various reader parameters as needed.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Tag-it is a trademark of Texas Instruments Incorporated.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006–2010, Texas Instruments Incorporated  
 
 
 
 
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