Analog Devices Inc. Tariff Inquiry

AD7810YR

AD7810YR Description

The AD7810YR from Analog Devices Inc. is a 10-bit, 350 kSPS successive approximation register (SAR) analog-to-digital converter (ADC) designed for precision measurement applications. Housed in an 8-pin SOIC package, it features a single-channel input, SPI-compatible serial interface, and operates with dual supply voltages (2.7V to 5.25V for both analog and digital domains). The ADC employs an external voltage reference, ensuring flexibility in system design. Although marked as obsolete, the AD7810YR remains relevant in legacy systems due to its high-speed sampling, low power consumption, and 1:1 sample-and-hold (S/H) to ADC ratio, which minimizes signal distortion.

AD7810YR Features

• 10-bit resolution with 350 kSPS sampling rate for fast, accurate conversions.
• Single-supply operation (2.7V–5.25V) simplifies power management.
• SPI-compatible serial interface enables easy integration with microcontrollers.
• External reference input allows customization for precision applications.
• 1:1 S/H-to-ADC ratio ensures minimal latency and signal integrity.
• Surface-mount SOIC package (MSL 1) suits compact PCB designs.
• Wide operating temperature range (–40°C to +85°C) for industrial environments.

AD7810YR Applications

The AD7810YR excels in systems requiring high-speed, low-power ADCs with moderate resolution, such as:

• Portable instrumentation (battery-powered data loggers, handheld meters).
• Industrial control systems (sensor interfaces, process monitoring).
• Automotive diagnostics (OBD-II, battery management).
• Medical devices (patient monitoring, portable diagnostics).
• Legacy equipment upgrades where obsolete components must be replaced with pin-compatible alternatives.

Conclusion of AD7810YR

While the AD7810YR is no longer in production, its combination of speed, resolution, and low power makes it a viable choice for maintaining or upgrading older systems. Its SPI interface and flexible reference design offer adaptability, while the SOIC package ensures ease of integration. Engineers working on industrial, automotive, or portable applications may still find this ADC suitable for cost-sensitive, performance-driven designs. For new projects, consider newer alternatives with enhanced features, but the AD7810YR remains a reliable option for legacy support.