The AD7989-5BCPZ-RL7 is a high-performance 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices Inc., designed for precision data acquisition systems. This ADC is known for its exceptional accuracy, low power consumption, and compact LFCSP (Lead Frame Chip Scale Package) form factor, making it an excellent choice for portable and space-constrained applications.

Key Features

• Resolution: 18-bit SAR ADC with no missing codes
• Sampling Rate: Up to 100 kSPS (kilo samples per second)
• Input Type: Pseudo-differential input range
• Interface: SPI-compatible serial user interface
• Power Efficiency: Low power consumption with a typical operating current of 350 µA at 100 kSPS
• Reference: On-chip 2.5 V reference and reference buffer
• Power Supply: Single 2.7 V to 5.5 V supply operation
• Package: 10-lead LFCSP (3 mm × 3 mm)
• Temperature Range: −40°C to +125°C operation

Applications

The AD7989-5BCPZ-RL7 is ideal for a wide range of applications where precision data acquisition is crucial. Typical applications include:

• Medical instruments
• Battery-powered devices
• Data acquisition systems
• Industrial control systems
• Instrumentation and automation

Product Description

The AD7989-5BCPZ-RL7 offers a pseudo-differential input that provides excellent common-mode rejection and minimizes the impact of noise and interference. The integrated 2.5 V reference enhances the precision and simplifies the design by reducing external component requirements.

Its SPI-compatible serial interface enables easy integration with most microcontrollers and digital systems. The device's compact 10-lead LFCSP package is suitable for space-saving designs, and its extended temperature range ensures reliable performance in varying environmental conditions.

With its combination of high resolution, low power, and compact design, the AD7989-5BCPZ-RL7 ADC from Analog Devices Inc. is a versatile solution for advanced data acquisition needs.