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NCV7321D12R2G
- Part Number: NCV7321D12R2G
- Categories:
- Manufacturer: onsemi
- MOQ: 1PCS
- In Stock: 6000
- Datasheet:
- Description: IC TRANSCEIVER 1/1 8SOIC
- Payment method: Paypal/Wire transfer/Visa
- Delivery Method: UPS/DHL/FEDEX/EMS
Reference Price (In US Dollars)
- 1 Pcs$1.593
- 10 Pcs$1.517
- 100 Pcs$1.444
- 1000 Pcs$1.416
- 10000 Pcs$1.416
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Specifications
NCV7321D12R2G details
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Datasheets
NCV7321D12R2G Specifications
| Manufacturer | onsemi |
| Type | Transceiver |
| Duplex | - |
| Protocol | LINbus |
| Data Rate | 20kbps |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Product Status | Active |
| Voltage - Supply | 5V ~ 27V |
| Receiver Hysteresis | 175 mV |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | 8-SOIC |
| Number of Drivers/Receivers | 1/1 |
What is NCV7321D12R2G?
The NCV7321D12R2G is a fully featured local interconnect network (LIN) transceiver designed to interface between a LIN protocol controller and the physical bus. The NCV7321D12R2G LIN device is a member of the in−vehicle networking (IVN) transceiver family.
How does NCV7321D12R2G Transceiver Work?
The transceiver is implemented in I3T technology enabling both high−voltage analog circuitry and digital functionality to co−exist on the same chip. The NCV7321D12R2G LIN device is a member of the in−vehicle networking (IVN) transceiver family.
The LIN bus is designed to communicate low-rate data from control devices such as door locks, mirrors, car seats, and sunroofs at the lowest possible cost. The bus is designed to eliminate as much wiring as possible and is implemented using a single wire in each node. Each node has a slave MCU−state machine that recognizes and translates the instructions specific to that function. The main attraction of the LIN bus is that all the functions are not time-critical and usually relate to passenger comfort.
Features of NCV7321D12R2G
General
♦SOIC−8 Green package (Pb−Free)
•LIN−Bus Transceiver
♦LIN Compliant to Specification Revision 2.0 and 2.1 (Backwards Compatible to Version 1.3) and J2602
♦Bus Voltage 45 V
♦Transmission Rate 1 kbps to 20 kbps
•Protection
♦Thermal Shutdown
♦Indefinite Short−Circuit Protection on Pins LIN and
WAKE Towards Supply and Ground
♦Load Dump Protection (45 V)
♦Bus Pins Protected Against Transients in an
Automotive Environment
•EMI Compatibility
♦Integrated Slope Control
•Modes
♦Normal Mode: LIN Transceiver Enabled, Communication via the LIN Bus is Possible, INH Switch is On
♦Sleep Mode: LIN Transceiver Disabled, the Consumption from VBBis Minimized, INH Switch is Off
♦Standby Mode: transition mode reached either after power−up or after a wake-up event, INH switch is on
♦Wake−up Bringing the Component from Sleep Mode into Standby Mode is Possible either by LIN Command or a Digital Signal on WAKE Pin (e.g. External Switch)
•These are Pb−Free Devices
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NCV7321D12R2G Packaging
step1: Inspect Products
step2: Vacuum Packaging
step3: Anti-Static Bag
step4: Individual Packing
step5: Packing Box
step6：Shipping Tag
- Before shipping, we will inspect the parts to ensure it in good condition and check that the parts are brand-new and original with the datasheet. And then, all the products will be packed in an anti-static bag.
- After ensuring that there are no issues with any of the goods after packing, we will wrap them carefully and send them by international express. It demonstrates exceptional seal integrity, outstanding tear and puncture resistance, and both.
Manufacturer Overview
Customers are empowered by onsemi's energy-efficient solutions to lower global energy consumption. In order to assist design engineers in overcoming their particular design challenges in the fields of automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace, and power supply, the company offers a broad portfolio of energy-efficient power and signal management, logic, discrete, and custom solutions. Onsemi runs a world-class supply chain and quality program that is responsive and dependable, as well as a network of manufacturing plants, sales offices, and design centers in important markets across North America, Europe, and the Asia Pacific regions.
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Its sensitive components are not in contact with the measured object, also known as a non-contact temperature measuring instrument. This instrument can be used to measure the surface temperature of moving objects, small targets, and objects with small heat capacity or rapid temperature changes (transient), and can also be used to measure the temperature distribution of the temperature field. The most commonly used non-contact thermometers are based on the fundamental law of black body radiation and are called radiation thermometers. Radiation thermometry methods include the brightness method (see optical pyrometer), radiation method (see radiation pyrometer), and colorimetric method (see colorimetric thermometer). All kinds of radiation temperature measurement methods can only measure the corresponding photometric temperature, radiation temperature, or colorimetric temperature. Only the temperature measured for a black body (an object that absorbs all radiation and does not reflect light) is the true temperature. If you want to measure the real temperature of the object, you must correct the surface emissivity of the material. However, the surface emissivity of materials depends not only on temperature and wavelength, but also on surface state, coating film, and microstructure, so it is difficult to measure accurately. In automatic production, it is often necessary to use radiation thermometry to measure or control the surface temperature of certain objects, such as the steel strip rolling temperature, roll temperature, forging temperature in metallurgy, and the temperature of various molten metals in smelting furnaces or crucibles. In these specific cases, the measurement of the emissivity of an object's surface is quite difficult. For automatic measurement and control of solid surface temperature, an additional reflector can be used to form a black body cavity together with the measured surface. The effect of additional radiation can increase the effective radiation and effective emissivity of the measured surface. Use the effective emissivity coefficient to correct the measured temperature through the instrument, and finally get the real temperature of the measured surface. The most typical additional mirror is hemispherical. The diffuse radiation on the measured surface near the center of the sphere can be reflected on the surface by the hemispherical mirror to form additional radiation, thereby increasing the effective emissivity coefficient. In the formula, ε is the surface emissivity of the material, and ρ is the reflectivity of the mirror. As for the radiation measurement of the real temperature of the gas and liquid medium, the method of inserting the heat-resistant material tube to a certain depth to form a black body cavity can be used. The effective emission coefficient of the cylinder cavity after reaching thermal equilibrium with the medium is obtained by calculation. In automatic measurement and control, this value can be used to correct the measured cavity bottom temperature (ie medium temperature) to obtain the real temperature of the medium. Advantages of non-contact temperature measurement: the upper limit of measurement is not limited by the temperature resistance of the temperature sensing element, so there is no limit to the maximum measurable temperature in principle. For high temperatures above 1800°C, non-contact temperature measurement methods are mainly used. With the development of infrared technology, radiation temperature measurement has gradually expanded from visible light to infrared and has been used below 700°C to room temperature with high resolution. Working principle Metals undergo a corresponding extension when the ambient temperature changes, so the sensor can signal this response in different ways. Bimetal Sensor A bimetal sheet is composed of two pieces of metal with different expansion coefficients attached. As the temperature changes, material A expands more than the other metal, causing the metal sheet to bend. The curvature of the bend can be converted into an output signal. Bimetal Rod and Tube Sensors As the temperature increases, the length of the metal tube (material A) increases, while the length of the non-expanding steel rod (metal B) does not increase so that the linear expansion of the metal tube can be transmitted due to the change of position. 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There are two types of changes in resistance positive temperature coefficient Increased temperature = increased resistance A decrease in temperature = a decrease in resistance negative temperature coefficient Increased temperature = decreased resistance Decrease in temperature = increase in resistance Thermocouple Sensing A thermocouple consists of two metal wires of different materials welded together at the ends. Then measure the ambient temperature of the non-heating part, and the temperature of the heating point can be accurately known. Since it must have two conductors of different materials, it is called a thermocouple. Thermocouples made of different materials are used in different temperature ranges, and their sensitivities also vary. The sensitivity of the thermocouple refers to the change in the output potential difference when the temperature of the heating point changes by 1 °C. For most thermocouples supported by metallic materials, this value is between 5 and 40 microvolts/°C. Since the sensitivity of the thermocouple temperature sensor has nothing to do with the thickness of the material, it can also be made into a temperature sensor with very thin materials. Also due to the good ductility of the metal material used to make thermocouples, this tiny temperature-measuring element has a very high response speed and can measure rapidly changing processes. Selection method If you want to make reliable temperature measurements, you first need to choose the correct temperature instrument, that is, the temperature sensor. Among them, thermocouples, thermistors, platinum resistance thermometers (RTDs), and temperature ICs are the most commonly used temperature sensors in testing. The following is an introduction to the characteristics of the thermocouple and thermistor temperature instruments. thermocouple Thermocouples are the most commonly used temperature sensors in temperature measurement. Its main advantages are a wide temperature range and adaptability to various atmospheric environments, and it is strong, low in price, does not require a power supply, and is the cheapest. A thermocouple consists of two wires of dissimilar metals (metal A and metal B) connected at one end. When one end of the thermocouple is heated, there is a potential difference in the thermocouple circuit. The temperature can be calculated from the measured potential difference. However, there is a nonlinear relationship between voltage and temperature. Since the temperature is a nonlinear relationship between voltage and temperature, it is necessary to make a second measurement for the reference temperature (Tref), and use the test equipment software or hardware to process the voltage-temperature conversion inside the instrument, to Finally the thermocouple temperature (Tx), is obtained. Both Agilent34970A and 34980A data collectors have built-in measurement computing capabilities. In short, thermocouples are the simplest and most versatile temperature sensors, but thermocouples are not suitable for high-precision measurements and applications. Thermistors are made of semiconductor materials, and most of them have a negative temperature coefficient, that is, the resistance value decreases with the increase in temperature. Temperature changes will cause large resistance changes, so it is the most sensitive temperature sensor. However, the linearity of the thermistor is extremely poor and has a lot to do with the production process. 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