Key facts
- Brand
- Analog Devices
- Model
- AD7400A
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-02
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User ManualANALOG DEVICES Using the AD7400A Isolated Modulator as an Isolated Amplifier Manual
ANALOG DEVICES Using the AD7400A Isolated Modulator as an Isolated Amplifier Manual
User Manual
This document describes how to convert the AD7400A into an isolated amplifier using a simple RC filter or more sophisticated active filters. The AD7400A is an isolated ΣΔ modulator typically used to measure current or monitor DC bus voltage in motor drives.
Read onlineAnalog Devices AD7400A specifications
| Clock Rate | 10 MHz |
|---|---|
| Resolution | 16 bits |
| Input Voltage Range | ±250 mV (full scale ±320 mV) |
| Operating Temperature | ‑40 °C to +125 °C |
| Isolation Voltage | 5000 Vrms (1 min, UL 1577) |
| Power Consumption | 15.5 mA typical at 5.5 V |
All Analog Devices AD7400A documents by type
User Manual 2
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Datasheet 1
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the clock frequency of the AD7400A?
The device operates with a 10 MHz master clock output.
What isolation voltage does the AD7400A meet under UL standards?
It is rated for 5000 Vrms isolation for 1 minute according to UL 1577.
What is the input voltage range of the AD7400A?
The AD7400A accepts a differential input range of ±250 mV (full‑scale +320 mV).
How much power does the AD7400A consume in typical operation?
Typical power consumption is 15.5 mA when powered at 5.5 V.