ADAQ4370-4BBCZ

Overview

The ADAQ4370-4BBCZ is a quad-channel, 16-bit, 2 MSPS simultaneous sampling µModule data-acquisition solution from Analog Devices. It integrates a SAR ADC, fully differential ADC driver, precision voltage reference, and low-dropout linear regulator into an 8 mm × 8 mm × 0.8 mm pitch, 81-ball CSP_BGA package. The device operates on a single 5 V supply with logic interfaces compatible with 1.8 V, 2.5 V, and 3.3 V levels. Key electrical specifications include a typical signal-to-noise ratio of 90.8 dB at gain = 1.0 and fIN = 1 kHz, rising to 97.5 dB with oversampling. It guarantees 16-bit no missing codes, features pin-selectable input ranges (±2 V to ±11 V), and supports gains of 0.3, 0.6, 1.0, and 1.6.

Feature Summary

• Quad-channel 16-bit resolution with 2 MSPS simultaneous sampling rate
• Integrated signal chain including ADC driver, precision reference, and LDO
• On-chip oversampling function providing up to 2-bit resolution boost
• Pin-selectable input ranges: ±2 V, ±3.3 V, ±5.5 V, and ±11 V

Applications

• Lab grade battery test system
• Motor control current sense
• Motor control position feedback
• Sonar
• Power quality monitoring

Procurement Notes

Verify the specific BBCZ suffix against the manufacturer's ordering guide to confirm package type and temperature range. Confirm availability status through authorized distributors as supply conditions may vary. Ensure the design environment supports the required 81-ball CSP_BGA footprint and soldering profiles.

Selection Notes

Select this component for applications requiring high channel density and precise phase matching (0.005° typical). Verify that the system power budget accommodates the dynamic power dissipation of approximately 253 mW in full power mode. Ensure the host interface supports the high-speed serial protocol for data retrieval.

Part Context

The ADAQ4370-4 belongs to the µModule Data Acquisition Solutions family, which utilizes system-in-package technology to reduce board space by 11× compared to discrete solutions. It is part of a series offering various resolutions and speeds, such as the 14-bit ADAQ4381-4 and 18-bit ADAQ4003, designed to simplify precision measurement system development.

Replacement Considerations

Direct functional substitutes within the same integrated DAQ module category include the ADAQ4381-4 (14-bit) or ADAQ4003 (18-bit). Discrete component replacements require significant redesign of the analog front-end and are not recommended due to the loss of integrated passive matching and thermal performance.