Overview
The AD9221ARS-REEL, produced by Analog Devices Inc., is a high-performance, 12-bit analog-to-digital converter (ADC) designed for a variety of applications requiring high speed and precision. This monolithic ADC features a single supply operation, making it a cost-effective and power-efficient solution. The device includes an on-chip, high-performance, low-noise sample-and-hold amplifier and a programmable voltage reference, with the option to use an external reference for enhanced dc accuracy and temperature drift performance.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 1.25 MSPS |
| Number of Inputs | 1 |
| Input Type | Differential, Single Ended |
| Data Interface | Parallel |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | Pipelined |
| Reference Type | Internal (with external option) |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 2.7 V ~ 5.25 V |
| Package | 28-Lead SSOP |
| Temperature Range | -40°C to 85°C |
Key Features
- True 12-bit linearity and temperature drift performance.
- High-speed operation with a sampling rate of up to 1.25 MSPS.
- Low power consumption and cost-effective design.
- On-chip, high-performance, low-noise sample-and-hold amplifier.
- Programmable voltage reference with the option for an external reference.
- Flexible input structure supporting both single-ended and differential inputs.
- Digital output error correction logic to ensure no missing codes over the full operating temperature range.
Applications
The AD9221ARS-REEL is suitable for various applications, including:
- Imaging systems: Due to its high speed and precision, it is ideal for image processing and acquisition.
- Communications systems: It can be used in communication equipment requiring high-speed data conversion.
- Medical systems: Suitable for medical imaging and diagnostic equipment.
- Data-acquisition systems: Ideal for high-speed data acquisition in industrial and scientific applications.
Q & A
- What is the resolution of the AD9221ARS-REEL?
The AD9221ARS-REEL has a resolution of 12 bits. - What is the maximum sampling rate of the AD9221ARS-REEL?
The maximum sampling rate is 1.25 MSPS. - What types of inputs does the AD9221ARS-REEL support?
The device supports both differential and single-ended inputs. - What is the data interface type of the AD9221ARS-REEL?
The data interface is parallel. - Does the AD9221ARS-REEL have an on-chip sample-and-hold amplifier?
Yes, it includes an on-chip, high-performance, low-noise sample-and-hold amplifier. - Can the AD9221ARS-REEL use an external voltage reference?
Yes, it allows for the use of an external voltage reference. - What is the package type of the AD9221ARS-REEL?
The package type is 28-Lead SSOP. - What is the operating temperature range of the AD9221ARS-REEL?
The operating temperature range is -40°C to 85°C. - Is the AD9221ARS-REEL RoHS compliant?
Yes, the AD9221ARS-REEL is RoHS compliant. - What are some typical applications of the AD9221ARS-REEL?
Typical applications include imaging systems, communications systems, medical systems, and data-acquisition systems.
