Overview
The AMC1200BDWVR is a precision isolation amplifier produced by Texas Instruments. This device is designed to provide high accuracy and reliability in applications requiring electrical isolation between the input and output circuits. The AMC1200BDWVR features a fully-differential output and is optimized for use with shunt resistors or other low-voltage sensors. It ensures that noise currents on high common mode voltage lines do not interfere with or damage sensitive circuitry, making it ideal for various industrial and medical applications.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | AMC1200BDWVR |
| Package | 8-SOIC (0.295", 7.50mm Width) |
| Input Voltage Range | ±250 mV |
| Nonlinearity | 0.075% Maximum at 5 V |
| Offset Error | 1.5 mV Maximum |
| Noise | 3.1 mVRMS Typical |
| High-Side Supply Current | 10.8 mA Maximum at 5 V |
| Input Bandwidth | 60 kHz Minimum |
| Fixed Gain | 8 (0.5% accuracy) |
| Common Mode Rejection Ratio | 108 dB |
| Low-Side Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature | -40°C to 105°C |
| Isolation Voltage | Up to 4250 VPEAK (AMC1200B) |
Key Features
- Highly resistant to magnetic interference due to a silicon dioxide (SiO2) barrier providing galvanic isolation.
- Optimized for direct connection to shunt resistors or other low-voltage sensors.
- Very low nonlinearity and offset error, ensuring high accuracy.
- Low noise and high common mode rejection ratio (CMRR) for reliable signal transmission.
- Fixed gain of 8 with 0.5% accuracy.
- Low high-side supply current and low power dissipation.
- 3.3-V operation on the low side.
- Differential output for enhanced signal integrity.
Applications
- Industrial automation and control systems.
- Medical devices requiring electrical isolation.
- Power monitoring and measurement systems.
- Motor control and drive systems.
- High-voltage and high-current measurement applications.
Q & A
- What is the primary function of the AMC1200BDWVR?
The AMC1200BDWVR is a precision isolation amplifier designed to provide electrical isolation between the input and output circuits while maintaining high accuracy and reliability.
- What is the input voltage range of the AMC1200BDWVR?
The input voltage range is ±250 mV.
- What is the maximum nonlinearity of the AMC1200BDWVR?
The maximum nonlinearity is 0.075% at 5 V.
- What is the typical noise level of the AMC1200BDWVR?
The typical noise level is 3.1 mVRMS.
- What is the fixed gain of the AMC1200BDWVR?
The fixed gain is 8 with 0.5% accuracy.
- What is the common mode rejection ratio (CMRR) of the AMC1200BDWVR?
The CMRR is 108 dB.
- What is the operating temperature range of the AMC1200BDWVR?
The operating temperature range is -40°C to 105°C.
- What is the isolation voltage rating of the AMC1200BDWVR?
The isolation voltage rating is up to 4250 VPEAK for the AMC1200B model.
- What package type is the AMC1200BDWVR available in?
The AMC1200BDWVR is available in an 8-SOIC package.
- What are some common applications of the AMC1200BDWVR?
Common applications include industrial automation, medical devices, power monitoring, motor control, and high-voltage measurement systems.
