Overview
The ADS825E/1KG4 is a 10-bit, 40-MSPS Analog-to-Digital Converter (ADC) produced by Texas Instruments. This pipeline, CMOS ADC operates from a single +5V power supply and is available in a 28-pin SSOP (DB) package. It offers high performance with both single-ended and differential analog input options, making it suitable for a variety of demanding applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 10 | 10 | 10 | Bits |
| Specified Temperature Range | –40 | +85 | °C | |
| Analog Input Range (Single-Ended) | 1.5 | 3.5 | V | |
| Sampling Rate | 10k | 40M | Samples/s | |
| Power Consumption (Operating) | 190 | mW | ||
| Power Consumption (Power Down) | 20 | mW | ||
| Signal-to-Noise Ratio (SNR) | 60 | dBFS | ||
| Spurious-Free Dynamic Range (SFDR) | 72 | dBFS | ||
| Aperture Delay Time | 3 | ns | ||
| Aperture Jitter | 1.2 | ps rms |
Key Features
- High SNR: 60dB and high SFDR: 72dBFS for excellent signal integrity.
- Low power consumption: 190mW in operating mode and 20mW in power-down mode.
- Internal or external reference option for flexibility in applications.
- Single-ended or fully differential analog input capability.
- Programmable input range for adaptability.
- Low differential nonlinearity (DNL): 0.5LSB.
- Single +5V supply operation with +3V or +5V logic I/O compatibility.
- Digital error correction techniques for excellent differential linearity.
- Available in an SSOP-28 package.
Applications
- Medical Imaging: High signal integrity and low distortion make it suitable for medical imaging applications.
- Test Equipment: Ideal for high-speed data acquisition in test and measurement equipment.
- Computer Scanners: Used in high-resolution scanning applications.
- Communications: Suitable for communication systems requiring high signal-to-noise ratios.
- Video Digitizing: Used in video capture and processing applications.
Q & A
- What is the resolution of the ADS825E ADC?
The ADS825E has a resolution of 10 bits.
- What is the maximum sampling rate of the ADS825E?
The maximum sampling rate is 40 MSPS.
- What are the power supply requirements for the ADS825E?
The ADS825E operates from a single +5V power supply.
- Can the ADS825E use an external reference?
- What is the typical power consumption of the ADS825E in operating mode?
The typical power consumption is 190mW.
- What is the power consumption in power-down mode?
The power consumption in power-down mode is 20mW.
- What are the typical SNR and SFDR values for the ADS825E?
The typical SNR is 60dBFS, and the typical SFDR is 72dBFS.
- What is the aperture delay time of the ADS825E?
The aperture delay time is 3 ns.
- Is the ADS825E compatible with +3V logic I/O?
- In what package is the ADS825E available?
The ADS825E is available in an SSOP-28 package.
