LTC2309CUF#PBF - 8-Channel, 12-Bit SAR ADC with I2C Interface

The LTC2309CUF#PBF is a highly versatile 8-channel, 12-bit Successive Approximation Register (SAR) Analog-to-Digital Converter (ADC) from Linear Technology, now part of Analog Devices. This precision ADC is designed for easy integration into a wide array of applications, ranging from process control systems to medical devices. Its compact QFN-16 package makes it suitable for space-constrained applications.

Key Features:

• Multiple Channel Configurations: The LTC2309CUF#PBF provides 8 single-ended channels, 4 differential pairs, or combinations in between, offering flexibility for various signal acquisition requirements.
• High-Speed I2C Interface: Equipped with a high-speed I2C compatible serial interface, it supports standard (100kHz), fast (400kHz), and high-speed (3.4MHz) modes, enabling quick data transfer and compatibility with a broad range of microcontrollers and digital systems.
• Low Power Consumption: This ADC is optimized for power-sensitive applications, featuring a typical power consumption of only 1.3mW at a sample rate of 1ksps, which decreases to 1µW in nap mode and 0.1µW in sleep mode.
• No External Reference Required: An internal reference simplifies design and reduces external component count, though an external reference can be used if desired for enhanced flexibility.
• Wide Input Range: The input range of the LTC2309CUF#PBF covers 0V to Vcc, accommodating a variety of signal levels.
• Guaranteed Performance: Specified over the industrial temperature range (-40°C to 85°C), this ADC guarantees reliable performance in challenging environmental conditions.

Applications:

• Industrial Process Control
• Data Acquisition Systems
• Medical Instrumentation
• Automotive Systems
• Battery-Powered Devices

The LTC2309CUF#PBF delivers a compelling combination of multiple input channels, low power operation, and an easy-to-use interface, making it an excellent choice for engineers looking for a reliable and efficient data conversion solution.