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BH2221FV-E2

BH2221FV-E2 Description

The BH2221FV-E2 from ROHM Semiconductor is an 8-bit digital-to-analog converter (DAC) designed for precision voltage output applications. Packaged in a compact 20-pin SSOP and available in Tape & Reel (TR), this surface-mount DAC operates with dual supply voltages (2.7V to 5.5V for both analog and digital domains), ensuring compatibility with a wide range of systems. It features 12 internal D/A converters, enabling multi-channel output configurations. With a settling time of 100µs and INL/DNL specifications of ±1.5 LSB (Max) and ±1 LSB (Max), it delivers reliable linearity and fast response for dynamic signal generation. The SPI interface simplifies integration with microcontrollers and digital systems, while its RoHS3 compliance and REACH unaffected status make it suitable for environmentally conscious designs.

BH2221FV-E2 Features

• 8-bit resolution with 12 D/A converters for multi-channel precision.
• Low-power operation with 2.7V–5.5V dual supply range (analog and digital).
• Fast settling time (100µs) for rapid signal updates.
• SPI-compatible serial interface for easy microcontroller integration.
• Excellent linearity: ±1.5 LSB INL and ±1 LSB DNL (Max).
• Compact 20-SSOP package, ideal for space-constrained designs.
• RoHS3 compliant and REACH unaffected, meeting stringent environmental standards.
• MSL 1 (Unlimited) moisture sensitivity, ensuring robust handling during assembly.

BH2221FV-E2 Applications

The BH2221FV-E2 is ideal for applications requiring high-speed, multi-channel voltage output with moderate resolution. Key use cases include:

• Industrial automation: Programmable logic controllers (PLCs), sensor calibration, and process control.
• Consumer electronics: Audio level adjustment, display brightness control, and bias voltage generation.
• Test and measurement equipment: Signal generators, waveform synthesis, and automated test systems.
• Embedded systems: Microcontroller-based designs needing analog output with minimal external components.
• Automotive electronics: Infotainment systems and dashboard instrumentation where reliability is critical.

Conclusion of BH2221FV-E2

The BH2221FV-E2 stands out for its versatility, compact form factor, and robust performance in multi-channel DAC applications. Its SPI interface, low power consumption, and excellent linearity make it a preferred choice for designers seeking a balance between speed, precision, and integration ease. Whether for industrial, consumer, or automotive systems, this DAC delivers consistent performance while adhering to environmental and regulatory standards. For projects demanding reliable voltage output with minimal footprint, the BH2221FV-E2 is a compelling solution.