Key facts
- Brand
- Analog Devices
- Model
- AD7822
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-09
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Analog Devices AD7822/AD7825/AD7829 Data Sheet
The AD7822, AD7825, and AD7829 are high‑speed, 1‑, 4‑, and 8‑channel, microprocessor‑compatible 8‑bit analog‑to‑digital converters with up to 2 MSPS throughput. They include an on‑chip 2.5 V reference, track‑and‑hold amplifier, and a flexible parallel interface that supports standalone operation.
The datasheet details features, applications, functional block diagrams, specifications, timing characteristics, absolute maximum ratings, pin configurations, terminology, circuit information, typical connection diagrams, and operating modes, providing all necessary information for designers to integrate these ADCs into their systems.
Analog Devices AD7822 specifications
| Resolution | 8 Bits |
|---|---|
| Supply Voltage Range | 3 V ± 10% and 5 V ± 10% |
| Conversion Time | 420 ns max |
| Signal‑to‑Noise+Distortion Ratio | 148 dB min |
| Normal‑Operation Current | 12 mA max |
All Analog Devices AD7822 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum throughput of the AD7822/AD7825/AD7829?
The devices can achieve a maximum throughput of 2 MSPS.
What supply voltages can the AD7822/AD7825/AD7829 operate from?
They operate from a single supply of 3 V ± 10% or 5 V ± 10%.
What is the maximum conversion time of the AD7822/AD7825/AD7829?
The maximum conversion time is 420 ns.
How many analog input channels does each device have?
AD7822 has 1 channel, AD7825 has 4 channels, and AD7829 has 8 channels.