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SLOU186F – AUGUST 2006 – REVISED AUGUST 2010
MULTI-STANDARD FULLY INTEGRATED 13.56-MHZ RFID
ANALOG FRONT END AND DATA-FRAMING READER SYSTEM
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
Separate Internal High-PSRR Power Supplies
for Analog, Digital, and PA Sections Provide
Ultra-Small 32-Pin QFN Package
Noise Isolation for Superior Read Range and
(5 mm × 5 mm)
Reliability
Available Tools
Dual Receiver Inputs With AM and PM
– Reference Design/EVM With Development
Demodulation to Minimize Communication
Software
Holes
– Source Code Available for MSP430
Receiver AM and PM RSSI
Reader-to-Reader Anti-Collision
1.2
APPLICATIONS
High Integration Reduces Total BOM and Board
Secure Access Control
Area
Product Authentication
– 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
Contactless Payment Systems
Powering External MCU
Medical Systems
Easy to Use With High Flexibility
– Auto-Configured Default Modes for Each
1.3
Description
Supported ISO Protocol
– 12 User-Programmable Registers
The TRF7960/61 is an integrated analog front
– Selectable Receiver Gain and AGC
end and data-framing system for a 13.56-MHz
RFID reader system. Built-in programming
– Programmable Output Power
(100 mW or 200 mW)
options make it suitable for a wide range of
applications for proximity and vicinity RFID
– Adjustable ASK Modulation Range
(8% to 30%)
systems.
– Built-In Receiver Band-Pass Filter With
The reader is configured by selecting the
User-Selectable Corner Frequencies
desired protocol in the control registers. Direct
Wide Operating Voltage Range of 2.7 V to 5.5 V
access to all control registers allows fine tuning
Ultra-Low-Power Modes
of various reader parameters as needed.
– Power Down < 1 mA
– Standby 120 mA
– Active (Rx only) 10 mA
Table 1-1. PRODUCT SELECTION TABLE
PROTOCOLS
DEVICE
ISO14443A/B
ISO15693
Tag-it
ISO18000-3
106 kbps
212 kbps
424 kbps
848 kbps
TRF7960
√
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.
2
Tag-it is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date.
Copyright 2006–2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.