Key facts
- Brand
- Analog Devices
- Model
- AD7400A
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-02
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Analog Devices AD7400A Isolated Modulator Application Note
The AD74xx family of isolated ADCs is typically used with FPGAs or DSPs in motor drives. However, this document explains a straightforward method to convert the AD7400A into an isolated amplifier using a simple RC filter, suitable for use with less capable microcontrollers.
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
Ratings, dimensions and ordering codes, for selection and design work.
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What is the usable linear input range for the AD7400A?
The usable linear input range is +250mV.
From: Analog Devices AD7400A Isolated Modulator Application Note
What is the typical output data rate of the AD7400A?
The typical output data rate is 10 MHz.
From: Analog Devices AD7400A Isolated Modulator Application Note
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.