The AD7845SE/883B is a 14-bit, 200 kSPS analog-to-digital converter (ADC) manufactured by Rochester Electronics. It is designed for high-performance data acquisition systems that require both high resolution and fast conversion rates. This device is re-engineered by Rochester Electronics to ensure continued availability and performance to meet stringent military and aerospace requirements.

Applications:

• Military and Aerospace Systems
• High-Speed Data Acquisition
• Instrumentation
• ATE (Automatic Test Equipment)
• Medical Imaging

Features:

• 14-Bit Resolution: Provides high accuracy and precision in signal conversion.
• 200 kSPS Conversion Rate: Enables the capture of fast-changing signals.
• Low Power Consumption: Suitable for battery-powered or energy-efficient applications.
• Serial Interface: Simplifies interfacing with microcontrollers and digital signal processors (DSPs).
• Single Supply Operation: Operates from a single power supply, reducing system complexity.
• 883B Screening: Manufactured and tested to meet stringent military and aerospace standards for reliability and performance.
• Re-Engineered by Rochester Electronics: Ensures long-term availability and continued compliance with original specifications.

Benefits:

• High Accuracy: The 14-bit resolution ensures accurate conversion of analog signals, critical in precision applications.
• Fast Conversion: The 200 kSPS conversion rate allows for real-time data acquisition of dynamic signals.
• Reliable Performance: The 883B screening guarantees dependable operation in harsh environments.
• Simplified System Design: The serial interface and single-supply operation reduce the complexity of the overall system.
• Long-Term Availability: Rochester Electronics' re-engineering ensures the device remains available for extended product lifecycles.
• Cost-Effective Solution: Offers a balance of performance and cost for demanding applications.

Additional Details: This ADC utilizes a successive approximation register (SAR) architecture. The AD7845SE/883B features excellent linearity and low noise, making it suitable for applications requiring high signal-to-noise ratio (SNR). It is typically available in a hermetic package designed to withstand extreme temperatures and environmental conditions, making it suitable for military and aerospace deployments.