Isolated ADCs
High-performance isolated ADCs for high-voltage systems
Design & development resources
Isolated, Shunt-Based Current Sensing Reference Design
This verified reference design implements isolated current sensing data acqusition based on AMC1304M25 isolated delta-sigma (ΔΣ) modulator and TMS320F28377D microcontroller. This design was?made for shunt-based current measurement applications which require excellent galvanic (...)
Isolated Current Shunt and Voltage Measurement Reference Design for Motor Drives
This evaluation kit and reference design implements the AMC130x reinforced isolated delta-sigma modulators along with integrated Sinc filters in the C2000? TMS320F28377D Delfino? microcontroller. The design provides an ability to evaluate the? performance of these measurements: three motor (...)
Extended Current and Voltage Measurement Using Shunts for Protection Relays Reference Design
This reference?design demonstrates a unique approach for extending current measurement range using a single shunt and voltage measurement AMC1304Mx5 isolated delta-sigma (ΔΣ) modulator. With careful selection of a low-value shunt resistor that minimizes power dissipation, a (...)
Isolated modulator and ADC technologies
Our portfolio includes isolated delta-sigma ADCs with a fully integrated, isolated DC/DC converter that enables single-supply operation from the low side of the device.
Benefits:
- Built-in data and power isolation allows for phase-to-phase isolation for polyphase shunt metering applications.
- Synchronization between devices allows high system accuracy up to Class 0.1.
- Built-in temperature sensor allows for easy temperature compensation.
One-phase shunt power meter reference design with isolated ADC
Single-phase and split-phase shunt energy metrology reference design
Polyphase shunt class 0.2% metrology
Featured products for Voltage + current sensing ΔΣ ADCs
Our isolated current-sensing modulators provide functional, basic, and reinforced isolation options with low offset, gain error, and drift for higher accuracy in the range of 0.1%-2%.?
Benefits:
- Galvanic isolation with high transient immunity up to 150V/ns.
- Internal clock solutions for simplified PCB design and signal routing.
- External clock solutions for simplified system-level synchronization.
48V, 4kW small form-factor three-phase inverter reference design for integrated motor drives
48V, 16A small form factor three-phase GaN inverter reference design for integrated motor drives
3.6kW single-phase totem-pole bridgeless PFC reference design with e-meter functionality
Featured products for Current sensing modulators
Our isolated voltage-sensing modulators provides optimized voltage sensing with higher input impedance up to 1.5 GΩ, input voltage range of +/- 1V, +/- 400V, +/- 600V, and low input bias current specifications.
Benefits:
- External clock solutions for simplified system-level synchronization.
- Improved signal-to-noise ratio with high input voltage range.
- Options of solutions with integrated high-voltage resistors for better than 1% system-level accuracy and solution size reduction.