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Precision Low Power

Analog Devices, Inc. (ADI)’s precision low power signal chains offer key differentiation for low power measurement applications. They prioritize overall power utilization while ensuring key information and insights are quickly and reliably transformed from their analog signal to their digital representation.

These signal chain solutions are ideal for applications that are battery-powered or where there is a sensitivity to power dissipation. Key vectors such as precision performance, size, and ease of use have all been considered, in addition to prioritizing power-saving techniques to achieve even longer operating time. They can be scaled from single channel to support multiple measurements if required. ADI also offers integrated solutions that not only take on signal conditioning and measurement but can also be used to bias and excite external sensors where needed.

ADI’s precision low power signal chains combine precision amplifiers, voltage references, analog-to-digital converters (ADCs), and isolation products. Explore our configurable precision low power solutions for applications such as portable VSM, wireless environmental monitoring (gas, CbM, pH, and temperature), and industrial uses such as intelligent flow, where low power is a key requirement. System designers can confidently build a solution that is optimized for their most important requirements.

 

Precision Low Power Signal Chains

Single Channel Voltage, Current, and Biosignal Measurement

Optimized for high impedance sensors with a good balance of noise, DC performance, and flexible feature set.

Use Cases/Applications

  • Field Transmitters
  • Portable Instruments
  • Wearable
Single Channel Voltage
  • Power & Size Optimized
  • Noise Optimized
  • Biosignal - Size Optimized & AC Coupled

Small Size, Low power signal chain optimized for high impedance sensors

AMPLIFIER

AD8235 40uA, Low Power Small size InAmp

ADC

AD4001 16-Bit, 2 MSPS/1 MSPS, Precision, Differential SAR ADCs

VOLTAGE REFERENCE

ADR3425 Micro-Power, High-Accuracy 2.5V Voltage Reference

ISOLATION

ADuM1441 Micropower Quad-Channel Digital Isolator, Default High (3/1 Channel Directionality)

Low Noise and DC performance optimized for high impedance sensors enables applications with high common-mode voltages to use lower supplies and save power.

AMPLIFIER

AD8237 Micropower, Zero Drift, True Rail-to-Rail Instrumentation Amplifier

ADC

AD4001 16-Bit, 2 MSPS/1 MSPS, Precision, Differential SAR ADCs

VOLTAGE REFERENCE

ADR3425 Micro-Power, High-Accuracy 2.5V Voltage Reference

ISOLATION

ADuM1441 Micropower Quad-Channel Digital Isolator, Default High (3/1 Channel Directionality)

Integrated features, that offer signal conditioning block for biopotential measurements, extracting key information in the presence of noisy signals.

AMPLIFIER

AD8233 AD8232 The AD8233 is a 50 μA, 2 mm × 1.7 mm WLCSP, Low Noise, Heart Rate Monitor for Wearable Products

The AD8232 is a 170 μA, 4mm × 4 mm LFCSP, Low Noise, Heart Rate Monitor for Wearable Products

ADC

AD4001 16-Bit, 2 MSPS/1 MSPS, Precision, Differential SAR ADCs

VOLTAGE REFERENCE

ADR3425 Micro-Power, High-Accuracy 2.5V Voltage Reference

ISOLATION

ADuM1441 Micropower Quad-Channel Digital Isolator, Default High (3/1 Channel Directionality)

Power Solutions

Featured Content

Emerging Automotive In-Cabin Sensing Solutions for Safety and Comfort

Automotive cabin sensing is a rapidly evolving area with a range of applications using a combination of sensors and intelligent algorithms.

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Power Scaling in Strain Gauge Applications

ADI signal chains can interface directly with sensors for low-power, wake-up detection functions and high-power diagnostics. This demo showcases performance differences in these implementations using strain gauge sensors and our precision components.

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Resources

Technical Articles

Videos

Evaluation Hardware

Multichannel Voltage, Current, & Biosignal Measurement

Optimized for high impedance sensors with a good balance of noise and input bandwidth, as well as a flexible feature set.

Use Cases/Applications

  • Field Transmitters
  • Portable Instruments
  • Wearable
Multichannel Voltage
  • Power & Size Optimized
  • Noise Optimized
  • Biosignal - Size Optimized & AC Coupled

Optimized for measurements where size is important, as well as flexible feature set.

Amplifier

AD8235
40uA, low power Small size InAmp

ADC

AD7682AD7689 16-Bit, 4/8-Channel, 250 kSPS PulSAR ADC.

Voltage Reference

ADR3425 Micropower, high-accuracy 2.5V voltage reference

Isolation

ADuM1441 Micropower quad-channel digital isolator, default high (3/1 channel directionality)

Low Noise and DC performance optimized for high impedance sensors enables applications with high common-mode voltages to use lower supplies and save power.

Amplifier

AD8237 Micropower, zero drift, true rail-to-rail instrumentation amplifier

ADC

AD4696 AD4695 16-Bit, 16-Channel,1MSPS Easy Drive Mux’d SAR.

16-Bit, 16-Channel, 500kSPS Easy Drive Mux’d SAR.

Voltage Reference

ADR3425 Micropower, high-accuracy 2.5V voltage reference

Isolation

ADuM1441 Micropower quad-channel digital isolator, default high (3/1 channel directionality)

Sized optimsied, Integrated features, that offer signal conditioning block for biopotential measurements, extracting key information in the presence of noisy signals.

Amplifier

AD8233 AD8232 The AD8233 is a 50 μA, 2 mm × 1.7 mm WLCSP, low noise, heart rate monitor for wearable products

The AD8232 is a 170 μA, 4mm × 4 mm LFCSP, low noise, heart rate monitor for wearable products

ADC

AD7682 AD7689 16-Bit, 4/8-Channel, 250 kSPS PulSAR ADC.

Voltage Reference

ADR3425 Micropower, high-accuracy 2.5V voltage reference

Isolation

ADuM1441 Micropower quad-channel digital isolator, default high (3/1 channel directionality)

Power Solutions

Featured Content

The Sensors Behind the GEN II Wearable Device

The population is aging and more people need healthcare support, which is having a big impact on the overall spend in medical care.

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AD4696: 16-Bit, 16-Channel, EasyDrive™ Multiplexed SAR ADC

AD4696 is the industry's first 16-channel, 16-bit, 1 MSPS SAR ADC with a multiplexed front end. With EasyDrive™ mode applied to every channel, the AD4696 feature set allows for the simplification of signal chains.

Learn More

Resources

Technical Articles

Videos

Evaluation Hardware

KWIK Circuits