Overview
The AD9281ARSRL is a dual-channel, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to provide high-performance conversion for various applications, particularly those requiring close matching between two ADC channels. The AD9281ARSRL is part of the AD9281 family, which is optimized for spurious-free dynamic performance and is suitable for encoding I and Q or diversity channel information in communications systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8-bit |
| Sampling Rate | 28 MSPS (Mega Samples Per Second) |
| Number of Channels | Dual (2 channels) |
| Input Structure | Single-ended or differential signals |
| Input Bandwidth | Up to and beyond 14 MHz Nyquist input frequencies |
| Supply Voltage | 2.7 V to 5.5 V |
| Power Consumption | 225 mW (at 3 V supply) |
| Operating Temperature | -40°C to +85°C |
| Package Type | 28-Pin SSOP (Shrink Small Outline Package) |
| RoHS Compliance | Compliant |
Key Features
- Dual 8-bit, 28 MSPS ADCs optimized for spurious-free dynamic performance.
- Integrated input buffer amplifiers, eliminating the need for external op-amps in most applications.
- Internal voltage reference and multiplexed digital output buffers.
- Simultaneous sampling sample-and-hold amplifiers at the input of each ADC.
- Low power consumption of 225 mW at a 3 V supply.
- Advanced low-cost CMOS process.
- Support for both narrow-band and spread-spectrum channels.
Applications
- Communications systems, particularly for I/Q channels and diversity channel information.
- Wireless infrastructure, such as base stations and repeaters.
- Medical imaging and diagnostic equipment.
- Aerospace and defense systems requiring high-speed data acquisition.
- Industrial automation and control systems.
Q & A
- What is the resolution of the AD9281ARSRL ADC?
The AD9281ARSRL has a resolution of 8 bits.
- What is the sampling rate of the AD9281ARSRL?
The sampling rate is 28 MSPS (Mega Samples Per Second).
- How many channels does the AD9281ARSRL have?
The AD9281ARSRL is a dual-channel ADC.
- What types of input signals can the AD9281ARSRL accept?
The AD9281ARSRL can accept both single-ended and differential input signals.
- What is the operating temperature range of the AD9281ARSRL?
The operating temperature range is -40°C to +85°C.
- What is the power consumption of the AD9281ARSRL at a 3 V supply?
The power consumption is 225 mW at a 3 V supply.
- Does the AD9281ARSRL require external input buffer op-amps?
No, the AD9281ARSRL has integrated input buffer amplifiers, eliminating the need for external op-amps in most applications.
- What is the package type of the AD9281ARSRL?
The package type is 28-Pin SSOP (Shrink Small Outline Package).
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- What are some common applications of the AD9281ARSRL?
