Product Overview: Texas Instruments AMC1203PSA

The AMC1203PSA from Texas Instruments is a precision, delta-sigma (ΔΣ) modulator that converts an analog input signal into a high-speed, single-bit data stream, with on-chip digital isolation based on silicon dioxide (SiO₂) insulation technology. This advanced modulator is designed for use in industrial applications, including motor control, electric power conversion, and sensor interfacing, where accurate signal conversion and isolation are critical for both performance and safety.

Key Features

• High-Precision Modulation: The AMC1203PSA employs a ΔΣ modulator with a 16-bit resolution and a data output rate of 20MHz, ensuring high-fidelity representation of the analog input signal.
• Integrated Isolation: With 4000V peak (V_PK) isolation for 1 minute per UL1577, this device provides robust electrical isolation between the high-voltage side and the low-voltage side, enhancing system safety and reducing noise interference.
• Low Offset Error: The device features a low offset error of ±5mV (typical) and a gain error of ±0.3% (typical), which contributes to accurate and stable measurement over time.
• Wide Temperature Range: It is operational over an industrial temperature range from -40°C to +105°C, making it suitable for harsh environments.
• Fail-Safe Output: The AMC1203PSA includes a fail-safe output that ensures a known state of the output bit stream in the absence of an input signal.

Applications

• Isolated Motor Control Feedback
• Current Sensing in Inverters
• Battery Management Systems
• Industrial Automation and Process Control

The AMC1203PSA is available in a compact, surface-mount 8-SOIC (D) package, making it easy to integrate into a variety of designs. With its combination of high precision, integrated isolation, and robust performance, the AMC1203PSA is an ideal choice for engineers looking to enhance the accuracy and safety of their system designs.

For detailed specifications, application notes, and support resources, please visit the Texas Instruments official website or contact their support team.