The Best Tutorial for ISO3082DWR
19 January 2024
Ⅱ. Technical parameters of ISO3082DWR
Ⅲ. What are the characteristics of ISO3082DWR?
Ⅴ. ISO3082DWR symbol, footprint and pin configuration
Ⅵ. Layout principles of ISO3082DWR
Ⅶ. What types of communication applications is ISO3082DWR suitable for?
ISO3082DWR is a high-performance current sensor chip with protection function. It uses digital isolation technology to convert current signals into digital output with high accuracy and stability. This article will introduce it from the aspects of technical parameters, features, working principle and layout, so that you can better apply this chip.
The ISO3082DWR is an isolated transceiver manufactured by Texas Instruments. The chip has a variety of built-in protections, including over-current protection, over-temperature protection, and short-circuit protection. When the current exceeds a set threshold, the chip will automatically disconnect the circuit to protect the safe operation of the system. At the same time, the chip also has an automatic recovery function. Once the fault is lifted, it will automatically resume normal operation. In addition, the chip adopts precision sensors and high-speed sampling technology, which can measure the current signal in real time and output the result through SPI interface. It has a wide range of input current, which can be adapted to different application scenarios. At the same time, the chip also features low power consumption, which can extend the battery life of the system.
The ISO3082DWR chip comes in a SOIC-8 package, which is ideal for integration into various circuit boards. It has a wide operating temperature range and can operate properly in harsh environments. In addition, the chip has high anti-interference capability and can effectively resist interference signals from the external environment.
Alternatives and equivalents:
• The power consumption of ISO3082DWR is 220 mW.
• Its data rate is 20 Mb/s.
• Its operating supply current is 15mA.
• Its propagation delay time is 700 ns.
• Its supply voltage is 3.15 V to 5.5 V.
• Its operating temperature is -40°C to 85°C.
• It adopts SMD or SMT installation method.
• The manufacturer of ISO3082DWR is Texas Instruments.
• ISO3082DWR has 16 pins and comes in SOIC-16 package and tape and reel packaging.
• Low power consumption: ISO3082DWR adopts low power consumption design, aiming to reduce power consumption and extend the service life of the device.
• Wide voltage range: ISO3082DWR can operate normally within a wide operating voltage range. This makes it highly adaptable and stable in dealing with various power environments and voltage fluctuations.
• Multi-channel: The ISO3082DWR features several channels capable of concurrently isolating multiple signal paths, offering a versatile solution for signal isolation. This grants it notable benefits in accomplishing the synchronized transmission and processing of signals across multiple channels.
• Digital isolation: It uses advanced technology and strict quality control to completely isolate the input signal and output signal, effectively avoiding signal interference and conduction, and improving the reliability and stability of the circuit.
• High-speed transmission: The isolator supports high-speed data transmission with a maximum transmission rate of 100 Mbps, making it suitable for high-speed communication and data transmission applications.
• High withstand voltage: ISO3082DWR isolator has a high withstand voltage and can withstand higher voltage shocks and peak voltages, improving the stability and reliability of the system.
The ISO3082DWR operates primarily on the differential transmission technology principle. This method involves transmitting information through pairs of signals with equal magnitude and opposite phases. Utilizing this approach effectively mitigates common mode interference, enhancing the signal's resistance to interference and extending the transmission distance.
The ISO3082DWR realizes the transmission and reception of signals by converting the differential signals at the transmitter and receiver ends. Specifically, the ISO3082DWR converts single-ended signals to differential signals for transmission and then reduces them to single-ended signals for reception. This transmission method can reduce the attenuation and distortion of the signal and improve the transmission distance and stability of the signal. In addition, the ISO3082DWR uses capacitive coupling isolation technology to realize electrical isolation between transceivers. This isolation prevents electrical shocks and surges in the circuit from damaging the equipment and improves the reliability and safety of the system.
The pictures above are the symbol, footprint and pin configuration of ISO3082DWR respectively. Among them, it has a total of 16 pins, whose names and functions are as follows.
Pin 1(VCC1): Power supply, VCC1
Pin 2 (GND 1): Ground connection for VCC1
Pin 3 (R): Receiver output
Pin 4 (RE’): Disables (when high or open) or enables (when low) receiver output of ISO308X
Pin 5 (DE): Enables (when high) or disables (when low or open) driver output of ISO308X
Pin 6 (D): Driver input
Pin 7 (GND1): Ground connection for VCC1
Pin 8 (GND1): Ground connection for VCC1
Pin 9 (GND2): Ground connection for VCC2
Pin 10 (GND2): Ground connection for VCC2
Pin 11 (NC): No connect
Pin 12 (A): Transceiver noninverting input or output (I/O)on the bus-side
Pin 13 (B): Receiver inverting input or output (I/O) on the bus-side
Pin 14 (NC): No connect
Pin 15 (GND2): Ground connection for VCC2
Pin 16 (VCC2): Power supply, VCC2
When laying out ISO3082DWR, we should keep it away from components or power supplies that may generate noise and follow electrical and electronic specifications. For large-scale or high-density layouts, we also need to consider the thermal design of the device and maintain a minimum distance between input and output signals. In addition, we should avoid crossover between input and output signal lines to ensure the efficiency of signal transmission. These principles help to improve the performance and stability of electronic equipment.
• Medical equipment: The high-precision digital isolation function of ISO3082DWR can provide reliable signal transmission for medical equipment to ensure the normal operation of medical equipment and patient safety.
• Industrial automation: In the field of industrial automation, a large amount of data exchange is required between various devices. The ISO3082DWR's multi-channel design enables it to concurrently manage multiple signal paths, thereby enhancing communication efficiency between devices.
• High-speed data transmission: The isolator supports high-speed data transmission with a maximum transmission rate of 100 Mbps. It has broad application prospects in fields such as optical fiber communications and high-speed Ethernet.
• Long-distance communication: Due to its high-precision digital isolation function, ISO3082DWR is particularly suitable for applications that require signal transmission over long distances. It can effectively avoid signal interference and loss during transmission and ensure signal integrity and accuracy.
• Internet of Things (IoT): As the Internet of Things develops, more and more devices need to be connected to each other and exchange data. The ISO3082DWR's isolation feature safeguards various equipment against electromagnetic interference and other signal disruptions, guaranteeing secure and precise data transmission.
Frequently Asked Questions
1. What is the operating temperature range of ISO3082DWR?
The operating temperature of ISO3082DWR ranges from -40°C to 85°C.
2. What is transceiver used for?
The main functionality of this electronic device is to transmit, as well as receive, different signals.
3. What is the replacement and equivalent of ISO3082DWR?
You can replace the ISO3082DWR with ISO3082DW, ISO3082DWG4 or ISO3082DWRG4.
4. What type of device is ISO3082DWR?
ISO3082DWR is a digital isolated interface chip, an isolated half-duplex differential line transceiver for TIA/EIA 485/422 applications.
