Overview
The AD9218BST-RL105 is a 10-bit, dual-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD9218 family, which offers conversion rates of 40, 65, 80, and 105 MSPS. The AD9218 is designed for low power consumption and high dynamic performance, making it suitable for a variety of applications requiring precise and efficient analog-to-digital conversion.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10 bits |
| Conversion Rate | 40, 65, 80, 105 MSPS |
| Power Supply | 3.0 V (2.7 V to 3.6 V) |
| Power Dissipation | 275 mW per channel at 105 MSPS |
| Analog Input Range | 1 V p-p or 2 V p-p |
| Analog Bandwidth | 300 MHz per channel |
| SNR | 57 dB @ 41 MHz, Encode = 80 MSPS |
| Crosstalk | –75 dBc between channels |
| Output Format | Twos complement or offset binary |
| Package | 48-Lead LQFP (7mm x 7mm) |
| Operating Temperature | –40°C to +85°C (industrial), –55°C to +105°C (extended industrial) |
Key Features
- Dual 10-bit ADC with on-chip track-and-hold circuits
- Low power consumption: 275 mW per channel at 105 MSPS
- On-chip reference and user controls for flexibility in system design
- High dynamic performance: 54 dB SNR at 105 MSPS with a Nyquist input
- Low crosstalk: –75 dBc between channels
- Pin compatible with the 8-bit AD9288 for easy migration
- Power-down mode for single-channel operation
- User-selectable output data formats and timing schemes
- TTL/CMOS compatible clock input and digital outputs
- Extended industrial temperature range: –55°C to +105°C for the AD9218-EP model
Applications
The AD9218BST-RL105 is suitable for various applications that require high-speed, low-power analog-to-digital conversion. These include:
- Medical Imaging
- Radar and Aerospace Systems
- Communications Systems
- Industrial and Scientific Instruments
- Defense and Aerospace Applications (especially the AD9218-EP model which supports AQEC standards)
Q & A
- What is the resolution of the AD9218BST-RL105?
The AD9218BST-RL105 has a resolution of 10 bits. - What are the available conversion rates for the AD9218?
The AD9218 is available in conversion rates of 40, 65, 80, and 105 MSPS. - What is the power supply requirement for the AD9218?
The AD9218 operates on a single 3.0 V power supply (2.7 V to 3.6 V). - How much power does the AD9218 consume at 105 MSPS?
The AD9218 consumes 275 mW per channel at 105 MSPS. - What is the analog input range of the AD9218?
The analog input range is 1 V p-p or 2 V p-p. - What is the signal-to-noise ratio (SNR) of the AD9218 at 80 MSPS?
The SNR is 57 dB @ 41 MHz, Encode = 80 MSPS. - Is the AD9218 pin compatible with other ADCs?
Yes, the AD9218 is pin compatible with the 8-bit AD9288. - What is the operating temperature range of the AD9218?
The operating temperature range is –40°C to +85°C (industrial) and –55°C to +105°C (extended industrial for the AD9218-EP model). - Does the AD9218 support power-down modes?
Yes, the AD9218 supports power-down modes for single-channel operation. - What are the output data formats available for the AD9218?
The AD9218 supports twos complement or offset binary output formats.
