AD7691 (4)
The AD7691 is available from Analog Devices at Xecor. Designed for high-precision analog-to-digital conversion, the AD7691 offers 18-bit resolution with no missing codes, a throughput of 250 kSPS, and exceptional dynamic range of 102 dB. Available in a compact 10-pin MSOP package, it is ideal for industrial automation, medical instrumentation, and data acquisition systems. Whether used in precision measurement, process control, or portable devices, this series ensures high performance, low power consumption, and reliable operation for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the AD7691 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| AD7691BRMZ | With its high resolution and fast sampling rate, the AD7691BRMZ is ideal for demanding applications where precision and speed are crucial | TFSOP-10 | 9,969 | |
| AD7691BRMZ-RL7 | Pin-for-pin compatible IC for analog to digital conversion | MSOP-10 | 5,071 | |
| AD7691BCPZRL7 | Analog to Digital Converters - ADC 18-bit ADC, 250kSPS, Diff.pin-for-pin IC | LFCSP-10 | 9,776 | |
| AD7691SRMZ-EP-RL7 | Analog to Digital Converters - ADC 18-bit ADC, 250kSPS, Diff.pin-for-pin IC | MSOP-10 | 6,799 |
Key Featrues
18-Bit Resolution with No Missing Codes: The AD7691 offers 18-bit resolution, ensuring high precision in analog-to-digital conversion. This feature eliminates missing codes, providing accurate and reliable data acquisition, which is critical for applications requiring high-resolution measurements such as medical instrumentation and industrial control systems.
250 kSPS Throughput: With a sampling rate of 250 kilosamples per second (kSPS), the AD7691 can handle high-speed data acquisition tasks efficiently. This makes it suitable for real-time signal processing applications, such as audio processing, vibration analysis, and high-speed data logging.
Low Power Consumption: The AD7691 operates with a power consumption of just 10.6 mW, making it an energy-efficient choice for battery-powered or portable devices. This low power requirement extends battery life and reduces heat generation, enhancing the overall efficiency of the system.
Differential Input Configuration: The differential input type allows the AD7691 to reject common-mode noise effectively, improving signal integrity in noisy environments. This feature is particularly beneficial in industrial settings where electromagnetic interference (EMI) is prevalent, ensuring accurate measurements even in challenging conditions.
Wide Operating Voltage Range: The AD7691 supports an analog supply voltage range of 2.3 V to 5 V and a digital supply voltage range of 1.8 V to 5.25 V. This flexibility in operating voltage makes it compatible with a wide range of systems and power supplies, simplifying integration into diverse applications.
250 kSPS Throughput: With a sampling rate of 250 kilosamples per second (kSPS), the AD7691 can handle high-speed data acquisition tasks efficiently. This makes it suitable for real-time signal processing applications, such as audio processing, vibration analysis, and high-speed data logging.
Low Power Consumption: The AD7691 operates with a power consumption of just 10.6 mW, making it an energy-efficient choice for battery-powered or portable devices. This low power requirement extends battery life and reduces heat generation, enhancing the overall efficiency of the system.
Differential Input Configuration: The differential input type allows the AD7691 to reject common-mode noise effectively, improving signal integrity in noisy environments. This feature is particularly beneficial in industrial settings where electromagnetic interference (EMI) is prevalent, ensuring accurate measurements even in challenging conditions.
Wide Operating Voltage Range: The AD7691 supports an analog supply voltage range of 2.3 V to 5 V and a digital supply voltage range of 1.8 V to 5.25 V. This flexibility in operating voltage makes it compatible with a wide range of systems and power supplies, simplifying integration into diverse applications.
Applications
High-Precision Data Acquisition Systems: The AD7691 is well-suited for high-precision data acquisition systems, particularly in industrial and scientific environments. Its 18-bit resolution and differential input capability allow for accurate digitization of low-level signals from sensors such as load cells, pressure transducers, and temperature sensors. The SAR architecture ensures fast and reliable conversion, making it ideal for applications requiring high accuracy and speed.
Medical Instrumentation: In medical devices such as patient monitoring systems and diagnostic equipment, the AD7691 can be used to digitize signals from bioelectric sensors, such as ECG or EEG electrodes. Its low noise and high dynamic range ensure precise measurement of small physiological signals, while its compact MSOP package makes it suitable for space-constrained designs.
Automotive Sensor Interfaces: The AD7691 is ideal for automotive applications, such as digitizing signals from sensors like accelerometers, pressure sensors, or position sensors. Its wide operating temperature range (-40°C to +85°C) and robust performance under harsh conditions make it suitable for use in vehicle control systems, ensuring reliable and accurate data acquisition.
Energy Monitoring Systems: For energy monitoring and management systems, the AD7691 can be used to digitize signals from current and voltage sensors in power distribution networks. Its high resolution and differential input capability enable precise measurement of small voltage drops across shunt resistors, ensuring accurate energy consumption tracking and power quality analysis.
Medical Instrumentation: In medical devices such as patient monitoring systems and diagnostic equipment, the AD7691 can be used to digitize signals from bioelectric sensors, such as ECG or EEG electrodes. Its low noise and high dynamic range ensure precise measurement of small physiological signals, while its compact MSOP package makes it suitable for space-constrained designs.
Automotive Sensor Interfaces: The AD7691 is ideal for automotive applications, such as digitizing signals from sensors like accelerometers, pressure sensors, or position sensors. Its wide operating temperature range (-40°C to +85°C) and robust performance under harsh conditions make it suitable for use in vehicle control systems, ensuring reliable and accurate data acquisition.
Energy Monitoring Systems: For energy monitoring and management systems, the AD7691 can be used to digitize signals from current and voltage sensors in power distribution networks. Its high resolution and differential input capability enable precise measurement of small voltage drops across shunt resistors, ensuring accurate energy consumption tracking and power quality analysis.
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