LTC2446IUHF#PBF - 24-Bit, High Speed Differential ΔΣ ADC with Easy Drive Input Current Cancellation

The LTC2446IUHF#PBF is a high-precision, 24-bit, No Latency ΔΣ™ Analog-to-Digital Converter (ADC) from Linear Technology that offers an impressive blend of speed, accuracy, and ease-of-use for a wide range of applications, including industrial measurement and control systems, medical devices, and scientific instrumentation.

This remarkable ADC features a unique differential input architecture with Easy Drive technology, which significantly reduces the required drive strength from the preceding circuitry due to its high impedance inputs. This innovation minimizes the input current, thus reducing the effect of switch leakage currents in sensor multiplexers and buffering amplifiers.

The LTC2446IUHF#PBF operates at a conversion rate of up to 200 samples per second (SPS) while maintaining a 24-bit resolution, ensuring both high-speed operation and high-resolution measurements. This combination makes it an ideal choice for applications that require both rapid signal processing and precise data acquisition.

The device also boasts an internal oscillator, eliminating the need for external components and simplifying the design process. Its wide input range of ±VREF (with VREF up to 5V) provides flexibility in accommodating various signal levels. The LTC2446IUHF#PBF also features a digital filter that reduces noise and improves signal-to-noise ratio (SNR), enhancing the quality of the captured data.

For communication with microprocessors, the LTC2446IUHF#PBF utilizes a 4-wire SPI-compatible serial interface, which is both straightforward and widely used, ensuring easy integration with most digital systems. The device comes in a compact 38-lead QFN package, offering a space-saving solution for densely packed PCBs.

Linear Technology's LTC2446IUHF#PBF ADC is designed to operate over the industrial temperature range of -40°C to 85°C, ensuring reliable performance in harsh environmental conditions. Its robust design and advanced features make it a top-tier choice for engineers seeking precision and reliability in their data acquisition systems.