ADAS1000-2BSTZ-RL

Overview

The ADAS1000-2BSTZ-RL is a biopotential analog front-end (AFE) designed for electrocardiogram (ECG) signal acquisition. It provides five ECG acquisition channels and operates in secondary mode, intended to be used in conjunction with a primary ADAS1000 or ADAS1000-1 device to expand channel counts. The component features a 24-bit resolution ADC structure with a sampling rate up to 2 MS/s. It supports differential and single-ended input types via an SPI interface. Operating on a 3.3 V analog supply and 1.8 V digital supply, it dissipates approximately 41 mW at maximum performance. The device is housed in a 64-lead LQFP package and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Five-channel ECG acquisition configured for secondary/gang mode operation
• Internal calibration DAC and CRC redundancy testing for manufacturing verification
• Scalable noise versus power control architecture with programmable data rates
• Supports AC and DC lead-off detection algorithms

Applications

• Multi-electrode ECG monitoring systems
• Portable telemetry and Holter monitors
• Diagnostic cardiac equipment requiring expanded channel counts

Procurement Notes

Verify the specific ordering suffix BSTZ-RL against the manufacturer's current datasheet revision D documentation. Confirm that the LQFP-64 package variant matches the required PCB footprint. Ensure the secondary serial interface configuration aligns with the primary host controller specifications before integration.

Selection Notes

Select this component only when expanding an existing ECG system beyond five channels using a primary ADAS1000 or ADAS1000-1 master device. It lacks independent right leg drive and respiration measurement capabilities found in the primary models. Verify that the system design accommodates the gang mode synchronization requirements between the primary and secondary units.

Part Context

This part belongs to the ADAS1000 family of low-power ECG analog front-ends. Unlike the standalone ADAS1000 or ADAS1000-1, the ADAS1000-2 is a subset device optimized for parallel operation. It enables manufacturers to build high-channel-count diagnostic systems by daisy-chaining multiple units while maintaining low power consumption per electrode.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.