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概述
Description
The AD7684BRMZ is a 16-bit, 250 kSPS successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It features low power consumption (1.5 mW at 250 kSPS), a single 5 V supply, and a serial interface (SPI/QSPI™/MICROWIRE™ compatible).
Key specifications:
- Resolution: 16 bits
- Throughput: 250 kSPS
- Input Range: 0 V to VREF (externally set, up to 5 V)
- Power Consumption: 1.5 mW (250 kSPS), 15 µW (1 kSPS)
- Interface: SPI-compatible (3-wire or 4-wire)
- Package: 10-lead MSOP
Applications include data acquisition, industrial control, medical instruments, and battery-powered systems where high resolution and low power are critical. The AD7684BRMZ includes an internal conversion clock and a reference buffer, simplifying design integration.
For detailed operation, refer to the datasheet.
Key specifications:
- Resolution: 16 bits
- Throughput: 250 kSPS
- Input Range: 0 V to VREF (externally set, up to 5 V)
- Power Consumption: 1.5 mW (250 kSPS), 15 µW (1 kSPS)
- Interface: SPI-compatible (3-wire or 4-wire)
- Package: 10-lead MSOP
Applications include data acquisition, industrial control, medical instruments, and battery-powered systems where high resolution and low power are critical. The AD7684BRMZ includes an internal conversion clock and a reference buffer, simplifying design integration.
For detailed operation, refer to the datasheet.
Equivalent
The AD7684BRMZ is a 16-bit, 250 kSPS SAR ADC. Equivalent alternatives include:
- LTC1867 (16-bit, 250 kSPS, lower power)
- ADS8860 (16-bit, 1 MSPS, higher speed)
- MAX11156 (16-bit, 500 kSPS, smaller package)
- MCP3421 (16-bit, lower speed, I²C interface)
Check pin compatibility, voltage range, and interface (SPI) when substituting. For exact replacements, consider AD7685 (faster) or AD7689 (lower power).
- LTC1867 (16-bit, 250 kSPS, lower power)
- ADS8860 (16-bit, 1 MSPS, higher speed)
- MAX11156 (16-bit, 500 kSPS, smaller package)
- MCP3421 (16-bit, lower speed, I²C interface)
Check pin compatibility, voltage range, and interface (SPI) when substituting. For exact replacements, consider AD7685 (faster) or AD7689 (lower power).
Features
The AD7684BRMZ is a 16-bit, 250 kSPS SAR ADC from Analog Devices. Key features:
- Resolution: 16-bit
- Sampling Rate: 250 kSPS
- Input Channels: 4 single-ended or 2 differential
- Interface: SPI-compatible (3-/4-wire)
- Supply Voltage: 2.3V to 5.5V (single-supply)
- Power Consumption: Low power (1.5 mW at 5V, 250 kSPS)
- Reference: Internal 2.5V or external (1.2V to VDD)
- Operating Temp: -40°C to +85°C
- Package: 10-lead MSOP
Ideal for battery-powered, industrial, and data acquisition systems due to its high accuracy, low power, and small form factor.
- Resolution: 16-bit
- Sampling Rate: 250 kSPS
- Input Channels: 4 single-ended or 2 differential
- Interface: SPI-compatible (3-/4-wire)
- Supply Voltage: 2.3V to 5.5V (single-supply)
- Power Consumption: Low power (1.5 mW at 5V, 250 kSPS)
- Reference: Internal 2.5V or external (1.2V to VDD)
- Operating Temp: -40°C to +85°C
- Package: 10-lead MSOP
Ideal for battery-powered, industrial, and data acquisition systems due to its high accuracy, low power, and small form factor.
Manufacturer
The AD7684BRMZ is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI serves industries like automotive, healthcare, industrial automation, and communications. The AD7684BRMZ is a 16-bit, successive approximation register (SAR) analog-to-digital converter (ADC), reflecting ADI's expertise in precision data conversion technology. The company is known for innovation, reliability, and high-quality solutions in signal processing.
Application
The AD7684BRMZ is a 16-bit, 250 kSPS SAR ADC from Analog Devices. Its key application areas include:
- Industrial Automation: Precision measurement and control systems.
- Medical Equipment: High-accuracy data acquisition in diagnostics and monitoring.
- Test & Measurement: High-resolution signal analysis.
- Energy Management: Power monitoring and smart grid systems.
- Automotive: Sensor interfaces and battery management.
- Communications: Base stations and signal processing.
Its low power, small footprint, and high accuracy make it ideal for portable and embedded systems requiring reliable ADC performance.
- Industrial Automation: Precision measurement and control systems.
- Medical Equipment: High-accuracy data acquisition in diagnostics and monitoring.
- Test & Measurement: High-resolution signal analysis.
- Energy Management: Power monitoring and smart grid systems.
- Automotive: Sensor interfaces and battery management.
- Communications: Base stations and signal processing.
Its low power, small footprint, and high accuracy make it ideal for portable and embedded systems requiring reliable ADC performance.
Package
The AD7684BRMZ is packaged in a 10-lead MSOP (Mini Small Outline Package). This compact surface-mount package is suitable for space-constrained applications, offering good thermal and electrical performance. The MSOP-10 package dimensions are typically 3mm × 3mm, making it ideal for high-density PCB designs.
