AS1529-BTDT

Analog To Digital Converters (ADC) Overview

The AS1529-BTDT is a low-power, 10-bit analog-to-digital converter (ADC) from ams-OSRAM USA INC. It features a successive-approximation register (SAR) architecture and operates on a single supply voltage ranging from +2.7V to +5.25V. The device supports a maximum sampling rate of 150ksps with an internal conversion time of approximately 3.7µs. It includes automatic shutdown functionality, reducing current consumption to 0.2µA between conversions. Data access is facilitated via a 3-wire SPI-, QSPI-, or MICROWIRE-compatible serial interface. The component is housed in an 8-pin TDFN package measuring 3x3mm.

Analog To Digital Converters (ADC) Feature Summary

• 10-bit SAR ADC with 150ksps maximum sampling rate
• Single-supply operation (+2.7V to +5.25V)
• Automatic shutdown mode consuming <0.2µA
• 3-wire SPI/QSPI/MICROWIRE compatible serial interface

Analog To Digital Converters (ADC) Applications

• Portable battery-powered data-acquisition systems
• Remote sensor interfaces
• Data logging devices
• Lab instruments requiring space-limited A/D conversion

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix for the AS1529-BTDT variant against official manufacturer documentation to confirm pinout and package specifications. Confirm availability status as product lifecycles may change. Ensure compatibility with system voltage levels and serial interface protocols before integration.

Analog To Digital Converters (ADC) Selection Notes

Select the AS1529-BTDT for applications requiring low power consumption and high-speed 10-bit resolution. It is suitable for single-ended input configurations. Consider the internal clock accuracy and source impedance requirements when designing the analog front-end. Verify that the external reference voltage range aligns with system requirements.

Analog To Digital Converters (ADC) Part Context

The AS1529 is part of the AS1528/AS1529 family of micro-power ADCs. While the AS1528 supports differential inputs and software-configurable unipolar/bipolar modes, the AS1529 is designed for two-channel single-ended inputs. Both share identical power characteristics, interface protocols, and package options.

Analog To Digital Converters (ADC) Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative 10-bit SAR ADCs with similar power profiles and interface compatibility if direct replacements are required.

Analog To Digital Converters (ADC) FAQ

What is the maximum serial clock frequency supported by the AS1529?

The AS1529 supports a maximum serial clock frequency (fSCLK) of 8MHz.

How does the AS1529 handle power consumption between conversions?

The device enters an automatic shutdown mode between conversions, drawing less than 0.2µA of current.

What is the input common mode range for the AS1529?

The input common mode range extends from GND to VDD.