Adc, 12Bit, 1Msps, Lfcsp-20; Resolution (Bits):12Bit; Sampling Rate:1Msps; Input Channel Type:Single Ended; Data Interface:4 Wire, Spi, Serial; Supply Voltage Type:Single; Supply Voltage Min:2.8V; Supply Voltage Max:3.6V Rohs Compliant: Yes |Analog Devices AD7298BCPZ-RL7

AD7298BCPZ-RL7 – 12-Bit 1MSPS 8-Channel ADC with Temperature Sensor – Analog Devices

Optimize precision measurements with the AD7298BCPZ-RL7, a high-performance 12-bit analog-to-digital converter from Analog Devices. This integrated circuit delivers 1MSPS sampling across 8 single-ended channels while integrating critical temperature monitoring. Engineered for reliability in demanding environments, it simplifies system design with dual analog/digital voltage support (2.8V–3.6V) and flexible SPI/DSP interfaces.

Key Features

• Resolution & Speed: 12-bit ADC at 1 million samples per second (1MSPS)
• Input Configuration: 8-channel single-ended multiplexed input
• Voltage Range: 2.8V–3.6V analog/digital supply (single-supply operation)
• Integrated Sensor: On-chip temperature monitoring (±1°C accuracy)
• Robust Design: -40°C to +125°C industrial temperature range
• Compact Footprint: 20-LFCSP (4x4mm) surface-mount package

Technical Details

Utilizing SAR (Successive Approximation Register) architecture, the AD7298BCPZ-RL7 features a multiplexed sample-and-hold (MUX-S/H-ADC) configuration with a 1:1 S/H-to-ADC ratio. It supports both internal and external voltage references for calibration flexibility. The SPI/DSP-compatible serial interface ensures easy microcontroller integration. Exposed thermal pad in the 20-WFQFN CSP package enhances heat dissipation in space-constrained applications.

Typical Applications

• Industrial automation and process control systems
• Multichannel sensor interfaces and data loggers
• Power supply monitoring and battery management
• Medical diagnostic equipment
• Embedded thermal management subsystems

About Analog Devices

Analog Devices Inc. (ADI) is a global leader in high-performance semiconductor solutions, renowned for precision analog and mixed-signal ICs. With over 50 years of innovation, ADI’s components set industry benchmarks for accuracy, power efficiency, and signal integrity in mission-critical applications.

ADI maintains rigorous quality certifications (including ISO 9001) and invests extensively in R&D, ensuring their products meet stringent reliability standards. Engineers worldwide trust ADI components for applications where measurement precision directly impacts system success.

About Analog-to-Digital Converters (ADCs)

ADCs transform real-world analog signals (like voltage or temperature) into digital data for processing by microcontrollers or digital systems. They serve as critical bridges between physical sensors and digital control logic, enabling precise measurement and automation.

Modern ADCs balance resolution, speed, and power efficiency to meet diverse application needs. Features like integrated multiplexers, reference voltages, and temperature sensors—as seen in the AD7298—reduce external component counts, accelerating development cycles while enhancing system reliability in industrial, automotive, and medical electronics.

Packaging Options

Available in Tape & Reel (TR), Cut Tape (CT), or Digi-Reel® formats for automated assembly workflows. Contact PCX for reel quantities and custom packaging requirements.

Frequently Asked Questions

Q: Does this ADC require external amplification for sensor inputs?
A: The AD7298 accepts 0V to VREF inputs directly. For low-voltage sensors, verify signal levels match the 2.8V–3.6V reference range.

Q: Can I use the internal temperature sensor without external components?
A: Yes—the integrated sensor operates independently and outputs digital data via the SPI interface.

Q: What is the typical power consumption at 1MSPS?
A: Analog supply current is 7.5mA typical at 3.3V. See the PCX-hosted datasheet for detailed specifications.

Q: Is this IC RoHS compliant?
A: Yes, the AD7298BCPZ-RL7 meets RoHS 3 standards.

Q: How does the MUX-S/H-ADC configuration benefit multichannel systems?
A: The integrated multiplexer routes any of 8 inputs to a single high-accuracy ADC core, reducing cost and board space versus discrete solutions.

Q: Does PCX provide technical support for integration challenges?
A: Absolutely—our engineering team offers pre- and post-sales assistance for component selection and troubleshooting.

Disclaimer: Product images are representational. Refer to datasheets for exact specifications.

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