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Texas Instruments RF Transceiver 32-Pin VQFN, ASK, OOK Modulation, 13.56MHz, 2.7-5.5V TRF7970ARHBT
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 0.95mm |
| Operating Temperature Range | -40 to +110°C |
| Length | 5.15mm |
| Model | TRF7970ARHBT |
| Width | 5.15mm |
| Mount Type | Surface |
| Series | TRF7970A |
| Maximum Operating Temperature | 110°C |
| Package Type | VQFN |
| Sub Type | Transceiver |
| Minimum Operating Temperature | -40°C |
| RF Frequency Range | 13.56MHz |
| Interface Type | SPI |
| Pin Count | 32 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 2.7V |
| Host communication | parallel or serial SPI with 127-byte FIFO |
| Modulation Technique | ASK, OOK |
| OTA Data Rate | 106, 212 or 424kbps |
| Operating Band 1 Frequency | 13.56MHz |
| Number of Operating Bands | 1 |
Key Features
- Supports ASK and OOK modulation techniques.
- Operates at a frequency of 13.56 MHz with a data rate of up to 848 kbps.
- Comes in a surface-mount 32-pin VQFN package for compact applications.
- Power supply voltage ranges from 2.7V to 5.5V ensuring flexibility in different systems.
- Operating temperature range from -40°C to 110°C for robust environmental tolerance.
- Features SPI interface and parallel host communication with 127-byte FIFO buffer.
- Supports multiple RFID standards including ISO 15693, ISO 18000-3, ISO 14443A/B, and FeliCa NFC protocols.
- Includes dual receiver architecture with RSSI and RF field detector for advanced NFC collision avoidance.
Product Description
The Texas Instruments TRF7970ARHBT is a highly integrated RF transceiver designed for 13.56 MHz RFID and Near Field Communication (NFC) systems. Packaged in a compact 32-pin VQFN surface-mount package with a height of 0.95 mm and length and width of 5.15 mm, this device integrates an analogue front end with data framing to enable efficient and flexible wireless communication.
Featuring ASK and OOK modulation capabilities, it supports OTA data rates of 106, 212, or 424 kbps and a maximum data rate of 848 kbps. It operates from a wide supply voltage range of 2.7 to 5.5 volts, making it suitable for a variety of embedded and industrial systems. The device supports parallel or serial SPI host communication through a 127-byte FIFO, allowing seamless integration with host processors and systems.
The transceiver supports multiple RFID and NFC standards, including ISO 15693, ISO 18000-3, ISO 14443A/B, and FeliCa NFCIP-1 and NFCIP-2 protocols, ensuring compatibility with a broad range of RFID and contactless payment applications. Its advanced features include a dual receiver architecture with RSSI, RF field detector for collision avoidance, adjacent reader collision detection, and programmable modulation and wake-up levels for passive transponder emulation.
Designed for demanding industrial, commercial, and secure applications, the TRF7970ARHBT is ideal for secure access control systems, product authentication, contactless payment networks, and medical device communication. With operating temperatures from -40°C to 110°C and no automotive certification, it is optimized for industrial environments requiring reliable performance and protocol flexibility.
Supports ASK and OOK modulation techniques. Operates at 13.56 MHz frequency with data rates up to 848 kbps. Compact 32-Pin VQFN surface-mount package. Wide supply voltage range of 2.7V to 5.5V. Operating temperature range from -40°C to 110°C.
Host communication via parallel or serial SPI with 127-byte FIFO. Complies with major RFID and NFC standards including ISO and FeliCa. Advanced RF field detectors and collision avoidance features. Suitable for secure access, authentication, payment, and medical applications.
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Frequently Asked Questions
The TRF7970ARHBT supports ASK (Amplitude Shift Keying) and OOK (On-Off Keying) modulation techniques.
It operates at a frequency of 13.56 MHz, which is suitable for RFID and NFC applications.
It can achieve a maximum data rate of 848 kbps, with OTA data rates of 106, 212, or 424 kbps.
The device operates within a supply voltage range of 2.7V to 5.5V, providing flexibility for various systems.
The package has a height of 0.95 mm and a length and width of 5.15 mm, making it compact for embedded applications.
It supports both parallel and serial SPI host communication, featuring a 127-byte FIFO buffer for data handling.
The operating temperature range is from -40°C to 110°C, allowing it to function in various environmental conditions.
It supports multiple RFID standards including ISO 15693, ISO 18000-3, ISO 14443A/B, and FeliCa NFC protocols.
This model has a pin count of 32, suitable for various electronic designs.
The RF field detector is used for advanced NFC collision avoidance and adjacent reader collision detection, enhancing communication reliability.
This transceiver is not certified for automotive applications, making it optimized for industrial environments.
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