規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Isolation |
| Applications | Current Sensing, Power Management |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.295, 7.50mm Width) |
概述
Description
The AMC1302DWVR is a precision isolation amplifier designed by Texas Instruments. It is used primarily for shunt-based current sensing in applications requiring high accuracy and reliability, such as motor control, power monitoring, and industrial automation. The device features a reinforced isolation barrier that can handle up to 7000 VPEAK, providing robust protection against high voltages.
Key specifications include a typical offset error of just 8 μV and a low gain error, which contribute to its high precision. The AMC1302DWVR operates over a wide temperature range, making it suitable for harsh environments. It also offers a low input voltage range, typically from -250 mV to +250 mV, which is ideal for measuring small differential signals across a shunt resistor.
The device comes in a small, 8-pin SOIC package, making it easy to integrate into various designs. Overall, the AMC1302DWVR is valued for its combination of accuracy, isolation, and reliability in demanding applications.
Key specifications include a typical offset error of just 8 μV and a low gain error, which contribute to its high precision. The AMC1302DWVR operates over a wide temperature range, making it suitable for harsh environments. It also offers a low input voltage range, typically from -250 mV to +250 mV, which is ideal for measuring small differential signals across a shunt resistor.
The device comes in a small, 8-pin SOIC package, making it easy to integrate into various designs. Overall, the AMC1302DWVR is valued for its combination of accuracy, isolation, and reliability in demanding applications.
Equivalent
The AMC1302DWVR is a precision isolated amplifier from Texas Instruments. Equivalent products from other manufacturers include:
1. Analog Devices AD7400/AD7401: These are sigma-delta modulators suitable for current and voltage sensing in motor control applications.
2. Silicon Labs Si8920: An isolated amplifier suitable for current shunt measurement.
3. Broadcom ACPL-C79B: A precision optically isolated sigma-delta modulator.
These alternatives offer similar isolation, accuracy, and functionality for various applications.
1. Analog Devices AD7400/AD7401: These are sigma-delta modulators suitable for current and voltage sensing in motor control applications.
2. Silicon Labs Si8920: An isolated amplifier suitable for current shunt measurement.
3. Broadcom ACPL-C79B: A precision optically isolated sigma-delta modulator.
These alternatives offer similar isolation, accuracy, and functionality for various applications.
Features
The AMC1302DWVR is a precision isolated amplifier designed for accurate current sensing in high-voltage applications. Key features include:
1. Isolation: It provides 3 kV RMS isolation, ensuring safety and signal integrity in high-voltage environments.
2. Accuracy: The device offers low offset error and drift, ensuring precise measurements over a wide temperature range.
3. Wide Input Range: It supports differential input voltage range, conducive for various sensing applications.
4. High Common-Mode Rejection Ratio (CMRR): This feature ensures reliable operation in noisy environments by rejecting common-mode noise.
5. Output: The device provides a differential analog output which enhances noise immunity and compatibility with differential ADCs.
6. Low Power Consumption: It operates efficiently, minimizing power usage which is advantageous in power-sensitive applications.
7. Temperature Range: The AMC1302DWVR is designed to operate across a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial applications.
8. Package: The device is offered in a small, SOIC-8 package, facilitating compact PCB designs.
These features make it ideal for applications like motor control, inverter systems, and power monitoring.
1. Isolation: It provides 3 kV RMS isolation, ensuring safety and signal integrity in high-voltage environments.
2. Accuracy: The device offers low offset error and drift, ensuring precise measurements over a wide temperature range.
3. Wide Input Range: It supports differential input voltage range, conducive for various sensing applications.
4. High Common-Mode Rejection Ratio (CMRR): This feature ensures reliable operation in noisy environments by rejecting common-mode noise.
5. Output: The device provides a differential analog output which enhances noise immunity and compatibility with differential ADCs.
6. Low Power Consumption: It operates efficiently, minimizing power usage which is advantageous in power-sensitive applications.
7. Temperature Range: The AMC1302DWVR is designed to operate across a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial applications.
8. Package: The device is offered in a small, SOIC-8 package, facilitating compact PCB designs.
These features make it ideal for applications like motor control, inverter systems, and power monitoring.
Pinout
The AMC1302DWVR is an isolated delta-sigma modulator designed for current sensing applications, produced by Texas Instruments. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin functions are as follows:
1. INP: Non-inverting analog input.
2. INN: Inverting analog input.
3. GND1: Ground reference for the high-side (input) circuitry.
4. VDDA: Power supply for the high-side (input) circuitry.
5. VDDB: Power supply for the low-side (output) circuitry.
6. GND2: Ground reference for the low-side (output) circuitry.
7. DOUT: Modulator data output.
8. CLKIN: Clock input for the modulator.
The AMC1302DWVR provides isolation between the high-side and low-side circuits, making it suitable for applications like motor drives and power inverters.
1. INP: Non-inverting analog input.
2. INN: Inverting analog input.
3. GND1: Ground reference for the high-side (input) circuitry.
4. VDDA: Power supply for the high-side (input) circuitry.
5. VDDB: Power supply for the low-side (output) circuitry.
6. GND2: Ground reference for the low-side (output) circuitry.
7. DOUT: Modulator data output.
8. CLKIN: Clock input for the modulator.
The AMC1302DWVR provides isolation between the high-side and low-side circuits, making it suitable for applications like motor drives and power inverters.
Manufacturer
The manufacturer of the AMC1302DWVR is Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide array of electronic devices and systems. TI is known for its significant contributions to the electronics industry, including advancements in microprocessors, analog and embedded processing, and digital signal processing technologies. The company serves diverse markets such as industrial, automotive, personal electronics, and communications equipment.
Application
The AMC1302DWVR is a precision isolated amplifier primarily used in applications requiring accurate current measurement and voltage sensing. Key application areas include motor drive control systems, where it helps in monitoring current and ensuring efficient operation. It is also used in power inverters for solar energy systems, enhancing the accuracy of power conversion. Additionally, it is suitable for battery management systems, particularly in electric vehicles, for monitoring charge and discharge cycles. The device is often employed in industrial automation for monitoring and controlling power in various equipment. Its isolation feature makes it ideal for applications where safety and signal integrity are critical.
Package
The AMC1302DWVR is a precision isolated amplifier from Texas Instruments, housed in an SOIC-8 (Small Outline Integrated Circuit) package. This surface-mount package type offers ease of use in high-density designs and provides adequate isolation for signal integrity and safety in applications like motor control and power inverter systems.
