Overview
The AD9223AR is a high-performance, single-supply 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. It is part of the AD9221/AD9223/AD9220 family, which offers a range of sampling rates and power consumption options. This device is designed to provide true 12-bit linearity and temperature drift performance, as well as excellent ac performance. The AD9223AR combines a low-cost, high-speed CMOS process with a novel multistage differential pipelined architecture to achieve high resolution and speed at a fraction of the power consumption and cost of existing implementations.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | 3.0 MSPS |
| Package | 28-Lead SOIC |
| Operating Temperature Range | –40°C to +85°C |
| Analog Input Range | Single-ended or differential inputs of varying amplitudes |
| Supply Voltage | Single supply |
| Digital Output Format | Straight binary |
| Output Drivers | Configurable for 5 V or 3.3 V logic families |
| Sample-and-Hold Amplifier | On-chip, high performance, low noise SHA |
| Voltage Reference | Programmable on-chip or external reference |
Key Features
- High-performance, multistage differential pipelined architecture with digital output error correction logic.
- True 12-bit linearity and temperature drift performance.
- Excellent ac performance with 11.5-bit or better accuracy.
- Flexible analog input structure supporting single-ended and differential inputs.
- On-chip, high-performance, low-noise sample-and-hold amplifier.
- Programmable voltage reference with the option for an external reference.
- Output drivers configurable for 5 V or 3.3 V logic families.
- Low power consumption and cost-effective CMOS process.
Applications
- Imaging systems: The flexible input structure and high performance make it suitable for various imaging applications.
- Communications systems: Particularly useful in IF Down Conversion due to its excellent dynamic performance beyond the specified Nyquist frequency.
- Medical systems: High accuracy and flexibility in input configurations make it suitable for medical data acquisition.
- Data-acquisition systems: Ideal for systems requiring high-speed and high-resolution ADCs.
Q & A
- What is the resolution of the AD9223AR? The AD9223AR has a resolution of 12 bits.
- What is the sampling rate of the AD9223AR? The AD9223AR has a sampling rate of 3.0 MSPS.
- What is the package type of the AD9223AR? The AD9223AR comes in a 28-Lead SOIC package.
- What is the operating temperature range of the AD9223AR? The operating temperature range is –40°C to +85°C.
- Can the AD9223AR handle both single-ended and differential inputs? Yes, the AD9223AR can handle both single-ended and differential inputs of varying amplitudes.
- Is the voltage reference programmable? Yes, the voltage reference is programmable, and an external reference can also be used.
- What is the digital output format of the AD9223AR? The digital output is in straight binary format.
- Can the output drivers be configured for different logic families? Yes, the output drivers can be configured for 5 V or 3.3 V logic families.
- Does the AD9223AR have an on-chip sample-and-hold amplifier? Yes, it has an on-chip, high-performance, low-noise sample-and-hold amplifier.
- What are some common applications of the AD9223AR? Common applications include imaging, communications, medical, and data-acquisition systems.
