AMC1300BDWVR

Specifications

Key features of AMC1300BDWVR

• Reinforced Isolation Protection

  • n It uses TI’s high-performance capacitive isolation technology, with an isolation withstand voltage of 4250V peak. It is certified in accordance with UL1577 and IEC 60747-5-2 standards and is widely used for signal transmission protection in high-voltage systems.

• High common mode rejection ratio (CMRR ≥ 108dB)

  • n It can accurately sense tiny differential voltage signals in an environment with high common-mode interference to ensure the accuracy of the measurement results. It is especially suitable for current sampling and bus voltage monitoring.

• Wide power supply support, strong system compatibility

  • n Supports a power supply range of 3.0V to 5.5V, with independent power supply for the input and output sides, making it easy to adapt to different system architectures and improve design flexibility.

• High-precision gain matching and low offset voltage

  • n The typical gain value is 8.2 V/V, with extremely small gain error and temperature drift, which simplifies the calibration process and improves the overall system measurement accuracy.

• Differential output structure, strong anti-interference ability

  • n Providing differential analog output facilitates accurate sampling by the subsequent ADC and significantly improves the system’s ability to resist common-mode noise.

• Low power consumption, suitable for high-speed systems

  • n It has excellent dynamic response performance in high-speed digital control systems and is suitable for real-time feedback control and high-frequency sampling scenarios.

Application Areas

AMC1300BDWVR is widely used in the following scenarios due to its isolation, high accuracy and reliability:

• Motor Control and Drives

  • n Achieve high-precision sampling of phase current and bus voltage, provide accurate feedback signals, and optimize motor vector control and torque control algorithms.

• Solar and wind inverters

  • n Used for DC bus voltage and current feedback monitoring to ensure inverter efficiency and system safety.

• Battery Management System (BMS)

  • n Achieve high-voltage isolation sampling between battery packs to ensure accurate sampling and protect the microcontroller from high-voltage shocks.

• Uninterruptible Power Supply (UPS) and Industrial Power Supply

  • n Accurately collect analog signals such as current and voltage to achieve closed-loop control and fault detection.

• High voltage measurement module and smart meter

  • n Provides a stable, high common-mode rejection signal interface to improve the accuracy of electric energy measurement.

Advantages comparison analysis

AMC1300BDWVR outperforms traditional optically coupled amplifiers in terms of isolation capability, anti-interference performance, and precision control, providing a reliable alternative for modern high-voltage analog front ends.

Manufacturer introduction: Texas Instruments

TI is a leading global supplier of analog and embedded processing devices. Its analog front-end products are widely used in industrial control, power management, signal conditioning, isolated communications and other applications. The AMC1300 series op amps are an important part of TI’s high-voltage isolation measurement field. They are favored by engineers for their high performance and industrial-grade reliability.

Why choose AMC1300BDWVR?

• Up to 4250V isolation voltage to ensure system safety

  ● High-precision gain matching and temperature stability to improve measurement reliability

  ● Up to 108dB CMRR to ensure anti-interference ability

  ● Differential output structure, providing an ideal analog front end with ADC

  ● Supports 3.3V and 5V system voltages, strong flexibility

  ● Industrial-grade packaging and temperature range, suitable for long-term deployment in harsh environments

The AMC1300BDWVR is an ideal solution for building high-voltage, high-precision analog signal chains and can be widely used in various intelligent electronic systems such as power supplies, motor control, solar energy, and battery systems.

FAQ

Q1: Can the AMC1300BDWVR be used with a 12-bit or 16-bit ADC?
Yes, the AMC1300BDWVR is ideal for use with 12-bit or 16-bit ADCs. The device uses a high-precision isolated operational amplifier structure with excellent linearity and low noise performance, which can significantly improve the system’s signal-to-noise ratio (SNR). This makes it particularly suitable for applications requiring high accuracy and resolution, such as industrial automation, current sensing, energy metering, and motor control systems. In actual design, the use of AMC1300BDWVR with high-resolution ADC can give full play to the dynamic response and low distortion characteristics of AMC1300BDWVR, ensuring the accuracy and reliability of data sampling.

Q2: Can it be used to sample AC signals?
Yes, the AMC1300BDWVR supports accurate measurement of alternating current (AC) signals, and is particularly suitable for collecting AC current information from current transformers or shunt resistors. Its high common-mode rejection ratio (CMRR) and low drift characteristics enable it to maintain stable output in high-noise environments, making it very suitable for applications such as energy metering, motor drives, and inverter systems that require isolation and high-precision sampling. In addition, its internal modulation and demodulation mechanism can effectively transmit rapidly changing AC signal waveforms, providing an accurate data basis for subsequent processing circuits. Therefore, the device can provide excellent performance support for both single-phase and three-phase AC systems.

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