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Precision Wide Bandwidth
Analog Devices’ Precision Signal Chains accelerate technology selection and evaluation, providing signal chain options for unique application requirements. Each signal chain brings insight and application knowledge from ADI’s engineers, leveraging their decades of experience and the industry’s leading analog portfolio.
The Precision Wide Bandwidth Signal Chains balance speed with high precision AC/DC measurement and drive performance. Each solution brings together each key stage of the signal chain and can be optimized for a variety of application-specific requirements such as measurement noise (SNR), DC linearity, settling time performance, closed-loop/measurement latency, or total harmonic distortion (THD). For current/voltage measurement applications up to 18-Bit performance is available at 15MSPS sampling frequency. Where current/voltage drive is required, up to 16-Bit performance at 30MSPS update rate is enabled.
These solutions combine ADI's precision amplifiers, voltage references, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), circuit protection and isolation products, allowing system designers to build with confidence a solution that optimizes for their precision and speed requirements.
Precision Wide Bandwidth Signal Chains
Current and Voltage Measurement
Signal Chain options for measuring wide bandwidths up to 1 MHz optimized for noise performance to support AC and/or DC analysis
Use Cases/Applications
- Hardware in the Loop
- Test and Measurement Instruments
- Power/transient analyzer
Core signal chain optimised for density and ease of use. Complementary products like reference to be selected on an application basis.
- Noise and Bandwidth Optimized
- Power Optimized
- Density Optimized
Protection
ADG5421F ±60 V fault protection and detection, 11 Ω RON, dual SPST switch
Gain
LTC6373 36 V fully-differential programmable-gain instrumentation amplifier with 25 pA input bias current
ADC Driver
ADA4899-1 Unity-gain stable, ultralow distortion, 1 nV/√Hz voltage noise, high speed op amp
ADC
LTC2387-18 LTC2387-16 15 MSPS, 18/16 bits
Voltage Reference
LTC6655 0.25 ppm noise, low drift precision references
Protection
ADG5421F ±60 V fault protection and detection, 11 Ω RON, dual SPST switch
Gain
LTC6373 36 V fully-differential programmable-gain instrumentation amplifier with 25 pA input bias current
ADC Driver
ADA4945-1 High speed, ±0.1 µV/°C offset drift, fully differential ADC driver
ADC
LTC2387-18 LTC2387-16 15 MSPS, 18/16 bits
Voltage Reference
LTC6655 0.25 ppm noise, low drift precision references
Isolation
ADN4654 5 kV rms and 3.75 kV rms, dual-channel LVDS gigabit isolators
Protection
ADG5421F ±60 V fault protection and detection, 11 Ω RON, dual SPST switch
Gain
LTC6373 36 V fully-differential programmable-gain instrumentation amplifier with 25 pA input bias current
ADC Driver | ADC
ADAQ23875 ADAQ23876 ADAQ23878 16-Bit/18-Bit, 15 MSPS, µModule data acquisition solution
Voltage Reference
LTC6655 0.25 ppm noise, low drift precision references
Isolation
ADN4654 5 kV rms and 3.75 kV rms, dual-channel LVDS gigabit isolators
Featured Content
Step-by-Step Noise Analysis Guide for Your Signal Chain
This article presents the steps needed to carry out a theoretical analysis on the noise performance for a high speed wide bandwidth signal chain.
ADC Driver Design Considerations for LTC2387-18
This video outlines the design of 4 different analog front-end solutions that can be used to successfully drive the LTC2387-18 15MHz SAR ADC.
Resources
Technical Articles
Evaluation Hardware
- DC718C DAQ Controller
- EVAL-SDP-CH1Z DAQ Controller
- DC2588A-A LTC2387-18
- DC2398A LTC6373
- DC2290A-A LTC2387-18
- EVAL-ADG5421FEBZ ADG5421F
- EVAL-ADAQ23875FMCZ ADAQ23875
Current and Voltage Drive
Low latency precision output drive signal chain options
Use Cases/Applications
- Hardware in the Loop
- Closed Control loops
Core signal chain optimised for low latency, precision and flexibility. Complementary products like protection and reference options to be selected on an application basis.
- Optimized for Flexibility
- Density Optimized
Featured Content
Composite Amplifiers: High Output Drive Capability with Precision
It is normal, and almost expected, to be faced with applications for which a solution does not appear to exist.
Precision DAC Lesson 3: Dynamic Performance Key Specifications
Lesson 3 presents the key dynamic performance specifications that increase value in Precision DACs.
Resources
Light Measurement
Low latency, low noise precision measurement signal chain options for optical signal chains
Use Cases/Applications
- Flow Cytometry
- Spectrometer
- Chemical analysis and Analythical instruments
Core signal chain optimised for noise and low power. Complementary products like reference to be selected on an application basis.
- Optimized for Noise
- Power Optimized
- Speed and Density Optimized
TIA
LTC6268 500 MHz ultralow bias current FET input op-amp
ADC Driver
ADA4899-1 Unity-gain stable, ultralow distortion, 1 nV/√Hz voltage noise, high speed op amp
ADC
LTC2387-18 LTC2387-16 15 MSPS, 18/16 bits
Voltage Reference
LTC6655 0.25 ppm noise, low drift precision references
TIA
LTC6268 500 MHz ultralow bias current FET input op-amp
ADC Driver
ADA4945-1 High speed, ±0.1 μV/˚C offset drift, fully differential ADC driver
ADC
LTC2387-18 LTC2387-16 15 MSPS, 18/16 bits
Voltage Reference
LTC6655 0.25 ppm noise, low drift precision references
TIA | ADC Driver | ADC | Voltage Reference
ADA4355 Programmable transimpedance, current to bits receiver μModule
Featured Content
Step-by-Step Noise Analysis Guide for Your Signal Chain
This article presents the steps needed to carry out a theoretical analysis on the noise performance for a high speed wide bandwidth signal chain.
ADAQ23875: 16-Bit, 15 MSPS, μModule® Data Acquisition Solution
ADAQ23875 is a DAQ Solution for wide bandwidth precision measurement systems. It includes front-end signal conditioning functions such as the signal scaling resistors (ADI's iPassive®) which maximizes Channel to channel matching performance.
