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| 型号： | TRF7970ARHBT |
| 厂商： | Texas Instruments |
| 文件页数： | 1/85页 |
| 文件大小： | 0K |
| 描述： | IC RFID/NFC AFE 13.56MHZ 32QFN |
| 标准包装： | 1 |
| RF 型： | NFC，FeliCa |
| 频率： | 13.56MHz |
| 特点： | ISO14443-A，ISO14443-B，ISO15693，ISO18000-3 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN 裸露焊盘（5x5） |
| 包装： | 标准包装 |
| 其它名称： | 296-29476-6 |
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Design
TRF7970A
SLOS743K – AUGUST 2011 – REVISED APRIL 2014
TRF7970A Multiprotocol Fully Integrated 13.56-MHz RFID and Near Field Communication
(NFC) Transceiver IC
1 Device Overview
1.1
1
Features
? Supports Near Field Communication (NFC)
Standards NFCIP-1 (ISO/IEC 18092) and NFCIP ? 2
(ISO/IEC 21481)
? Completely Integrated Protocol Handling for
ISO15693, ISO18000-3, ISO14443A/B, and
FeliCa?
? Integrated Encoders, Decoders, and Data Framing
for NFC Initiator, Active and Passive Target
Operation for All Three Bit Rates (106 kbps,
212 kbps, 424 kbps) and Card Emulation
? RF Field Detector With Programmable Wake-Up
Levels for NFC Passive Transponder Emulation
Operation
? RF Field Detector for NFC Physical Collision
Avoidance.
? Integrated State Machine for ISO14443A
Anticollision (Broken Bytes) Operation
(Transponder Emulation or NFC Passive Target)
? Input Voltage Range: 2.7 VDC to 5.5 VDC
? Programmable Output Power: +20 dBm (100 mW),
+23 dBm (200 mW)
? Programmable I/O Voltage Levels From 1.8 VDC
to 5.5 VDC
? Programmable System Clock Frequency Output
(RF, RF/2, RF/4) from 13.56-MHz or 27.12-MHz
Crystal or Oscillator
? Integrated Voltage Regulator Output for Other
System Components (MCU, Peripherals,
Indicators), 20 mA (Max)
? Programmable Modulation Depth
? Dual Receiver Architecture With RSSI for
Elimination of "Read Holes" and Adjacent Reader
System or Ambient In-Band Noise Detection
? Programmable Power Modes for Ultra Low-Power
System Design (Power Down <1 μA)
? Parallel or SPI Interface (With 127-Byte FIFO)
? Temperature Range: –40°C to 110°C
? 32-Pin QFN Package (5 mm x 5 mm)
1.2
Applications
?
?
?
?
Mobile Devices (Tablets, Handsets)
Secure Pairing ( Bluetooth ? , Wi-Fi ? , Other Paired
Wireless Networks)
Public Transport or Event Ticketing
Passport or Payment (POS) Reader Systems
?
?
?
?
?
Short-Range Wireless Communication Tasks
(Firmware Updates)
Product Identification or Authentication
Medical Equipment or Consumables
Access Control, Digital Door Locks
Sharing of Electronic Business Cards
1.3
Description
The TRF7970A device is an integrated analog front end and data-framing device for a 13.56-MHz RFID
and Near Field Communication (NFC) system. Built-in programming options make the device suitable for a
wide range of applications for proximity and vicinity identification systems.
The device can perform in one of three modes: RFID and NFC reader, NFC peer, or in card emulation
mode. Built-in user-configurable programming options make the device suitable for a wide range of
applications. The TRF7970A device 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.
Documentation, reference designs, EVM, and source code TI MSP430? MCUs or ARM ? MCUs are
available.
Device Information
PART NUMBER
TRF7970ARHB
PACKAGE
VQFN (32)
BODY SIZE
5 mm x 5 mm
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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