AS1531-T

Analog To Digital Converters (ADC) Overview

The AS1531-T is a 12-bit, single-supply analog-to-digital converter (ADC) from ams-OSRAM USA INC. It features an 8-channel input multiplexer and operates at a sampling rate of 300ksps. The device requires a supply voltage between +2.7V and +3.6V and draws 2.2mA during normal operation. Key specifications include a typical SINAD of 70dB, a full-power bandwidth of 6MHz, and an internal 2.5V reference. Data access is facilitated via a high-speed serial interface compatible with SPI, QSPI, and Microwire protocols. The component is housed in a 20-pin TSSOP package.

Analog To Digital Converters (ADC) Feature Summary

• 12-bit resolution with 8 software-configurable analog input channels
• 300ksps sampling rate with low power consumption (2.2mA typical)
• Internal 2.5V reference with support for external references
• Compatible with SPI, QSPI, and Microwire serial interfaces

Analog To Digital Converters (ADC) Applications

• Battery-powered remote sensors
• Data-acquisition systems
• Pen-digitizers
• Process control devices

Analog To Digital Converters (ADC) Procurement Notes

Verify the 'T' suffix against official documentation to confirm specific packaging or reel configuration details. Ensure the operating voltage range (+2.7V to +3.6V) aligns with system requirements. Confirm compatibility with existing serial interface protocols before integration.

Analog To Digital Converters (ADC) Selection Notes

Select the AS1531-T over the AS1530 when lower supply voltage operation is required, as the AS1530 supports +4.5V to +5.5V. Consider the 300ksps throughput limit for high-speed applications. Verify that the 12-bit accuracy meets the system's linearity and noise floor requirements.

Analog To Digital Converters (ADC) Part Context

The AS1531-T belongs to the AS1530/AS1531 family of low-power A/D converters. These devices utilize a successive-approximation register (SAR) architecture with high-bandwidth track/hold circuitry. They are designed for space-limited applications requiring flexible analog input configurations and multi-mode power management.

Analog To Digital Converters (ADC) Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Cross-reference with the manufacturer's current product portfolio for potential obsolescence management.