Key facts
- Brand
- Analog Devices
- Model
- AD7894
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-09
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Analog Devices AD7894 14-Bit ADC Datasheet
The AD7894 is a 14‑bit successive‑approximation ADC offered in three versions (‑10 V, ‑2.5 V, 0‑2.5 V input ranges). It operates from a single +5 V supply, consumes only about 20 mW, and provides a two‑wire serial interface for data and clock.
The datasheet lists detailed electrical specifications, timing characteristics, pin functions and ordering information. It also defines performance parameters such as SNR, THD, conversion time and power‑down mode behavior.
Analog Devices AD7894 specifications
| Resolution | 14 bits |
|---|---|
| Conversion Time (Mode 1) | 5 ms max |
| Typical Power Consumption | 20 mW |
| Input Voltage Range (AD7894‑10) | –10 V |
| Input Voltage Range (AD7894‑3) | –2.5 V |
| Serial Clock Maximum Frequency | 16 MHz |
All Analog Devices AD7894 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the conversion time of the AD7894?
Mode 1 conversion time is 5 ms max, while Mode 2 (auto‑sleep) takes up to 10 ms.
How much power does the AD7894 consume in typical operation?
The device typically consumes about 20 mW, with a maximum dissipation of 27.5 mW.
What supply voltage does the AD7894 require?
It operates from a single +5 V supply.
What is the typical power consumption of the AD7894?
The device typically consumes 20 mW of power.