AFE7989IABJ

AFE7989IABJ is an Analog Devices Analog Front End (AFE) IC. It conditions multiple sensor signals before they reach an ADC, combining blocks such as programmable gain amplifiers, programmable filters/anti-aliasing, buffering, and input protection, with a flexible digital interface to a host controller (typically SPI). The device is used in multi-channel data acquisition systems where high precision and compact front-end integration are needed, such as medical instrumentation, industrial sensors, and measurement equipment. The IABJ suffix indicates a specific package/variant with RoHS-compliant packaging. For exact specs—number of channels, gain range, filter options, sampling rate, power, supply voltages, and interface details—refer to the official datasheet and packaging sheet from Analog Devices.

- Pin count: 28 pins (28-pin package)
- Function: Analog Front End (AFE) that conditions multiple sensor signals, with programmable gain amplifiers, filtering, a reference, and an SPI/I2C-style digital interface for configuration and data output to a host controller.

Manufacturer: Analog Devices, Inc. (ADI).
What kind of company: An American multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP (digital signal processing) integrated circuits.

Possible application areas for AFE7989IABJ:
- Multi-channel ultrasound front-end: signal conditioning for transducer arrays.
- Medical imaging and diagnostic equipment requiring high-precision analog front ends.
- Biomedical instrumentation (ECG/EEG/EMG) with multiple low-noise channels.
- Industrial nondestructive testing (NDT) and acoustic sensing systems.
- General sensor data acquisition: high-channel-count, low-noise analog front ends for scientific/research instruments.
Note: Suitable wherever a compact, multi-channel, low-noise analog front end is needed.

28-pin TQFP (TI package).