| Allicdata Part #: | 568-8676-2-ND |
| Manufacturer Part#: |
TJA1021TK/20/C,118 |
| Price: | $ 0.30 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | NXP USA Inc |
| Short Description: | IC TXRX LIN 8HVSON |
| More Detail: | 1/1 Transceiver Full LINbus 8-HVSON (3x3) |
| DataSheet: |  TJA1021TK/20/C,118 Datasheet/PDF |
| Quantity: | 1000 |
| 6000 +: | $ 0.27927 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Type: | Transceiver |
| Protocol: | LINbus |
| Number of Drivers/Receivers: | 1/1 |
| Duplex: | Full |
| Receiver Hysteresis: | 175mV |
| Data Rate: | -- |
| Voltage - Supply: | 5.5 V ~ 27 V |
| Operating Temperature: | -- |
| Mounting Type: | Surface Mount |
| Package / Case: | 8-VDFN Exposed Pad |
| Supplier Device Package: | 8-HVSON (3x3) |
| Base Part Number: | TJA1021 |
Description
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Interface - Drivers, Receivers, Transceivers
The Philips TJA1021TK/20/C transceiver is designed for current loop balanced application with a data rate up to 30 Mbps. It is manufactured using the NMOS technology in order to reduce power consumption and cost. This transceiver can be used for communication system and data bus where current loop is needed. Besides, it can also be applied in a variety of other settings.1. Application fields:
The TJA1021TK/20/C transceiver is most suitable for current loop balanced applications, such as industrial fields, communication systems and data bus where current loop is needed. It can be applied in a variety of situations, including:
- Isolation and signal level conversion between unbalanced and balanced signals
- SIGNALLING systems
- Data transmission via twisted-pair or single-wire lines
- Data transmission in noisy environments
- RS232, RS422 and RS485 networks
2. Working Principle:
The main feature of the TJA1021TK/20/C transceiver is its current loop balanced data transmission that helps in providing high levels of noise immunity and reliability. The working principle of the transceiver is such that it transmits and receives a current signal over a two-wire line. The two-wire line is balanced, meaning the signal is transmitted through both wires, i.e. two currents of opposite polarity are transmitted (one in each wire).
The signal is transmitted in the form of a variable current, and is received by the receiver section. The receiver section converts the received current signal into a voltage signal, which can be interfaced to any digital controller or processor. The TJA1021TK/20/C transceiver can also detect any external open-circuit or short-circuit faults, and will then switch off the transmitter section in order to prevent damage to the device. It also offers a fail-safe feature, which means that if a fault is detected, the transceiver will switch off the transmitter section and assume a high-impedance state, thus preventing further damage.
- The transmitter section is enabled by the (!RE) signal and the data can be transmitted when the (!DE) signal is applied.
- The receiver section is enabled by the (!RE) signal, and it can detect any incoming signal when the (!DE) signal is applied.
- The transmission and reception of data is free from interference due to the balanced signalling.
- The transceiver can detect faults like open-circuit and short-circuit conditions and will automatically switch off the transmitter section when a fault is detected.
- The transceiver will also go into fail-safe mode if any fault is detected, meaning it will switch off the transmitter section and assume a high-impedance state.
Conclusion
The TJA1021TK/20/C transceiver is a highly efficient device that can be used in a variety of current loop balanced applications. It offers high levels of noise immunity and reliability due to its current loop balanced data transmission. The device can also detect external open-circuit and short-circuit faults, and will go into fail-safe mode to prevent any further damage. It is a cost-effective and reliable device that is suitable for a variety of applications.
The specific data is subject to PDF, and the above content is for reference
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