Overview
The ADS825E/1K is a high-performance, 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 is designed to provide excellent performance with both single-ended and differential analog inputs, making it suitable for a variety of demanding applications such as medical imaging, test equipment, computer scanners, communications, and video digitizing.
The ADS825E/1K features digital error correction techniques to ensure excellent differential linearity, low distortion, and high Signal-to-Noise Ratio (SNR) and Spurious-Free Dynamic Range (SFDR). It also offers a power-down mode to reduce power dissipation from 190mW to 20mW, and it is compatible with both +3V and +5V logic I/O.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 10 | Bits |
| Specified Temperature Range | –40 to +85 | °C |
| Sample Rate | Up to 40 | MSPS |
| Single-Ended Input Range | 1.5 to 3.5 | V |
| Power Consumption (Operating) | 190 | mW |
| Power Consumption (Power Down) | 20 | mW |
| SNR | 60 | dB |
| SFDR | 72 | dBFS |
| Aperture Delay Time | 3 | ns |
| Aperture Jitter | 1.2 | ps rms |
| Package | SSOP-28 |
Key Features
- HIGH SNR: 60dB
- HIGH SFDR: 72dBFS
- LOW POWER: 190mW (operating), 20mW (power down)
- INTERNAL/EXTERNAL REFERENCE OPTION
- SINGLE-ENDED OR FULLY DIFFERENTIAL ANALOG INPUT
- PROGRAMMABLE INPUT RANGE
- LOW DNL: 0.5LSB
- SINGLE +5V SUPPLY OPERATION
- +3V OR +5V LOGIC I/O COMPATIBLE
- POWER DOWN MODE
- SSOP-28 PACKAGE
Applications
- Medical Imaging
- Test Equipment
- Computer Scanners
- Communications
- Video Digitizing
Q & A
- What is the resolution of the ADS825E/1K ADC?
The resolution of the ADS825E/1K is 10 bits.
- What is the maximum sampling frequency of the ADS825E/1K?
The maximum sampling frequency is 40 MSPS.
- What are the power consumption levels for the ADS825E/1K?
The power consumption is 190mW in operating mode and 20mW in power-down mode.
- Does the ADS825E/1K support both single-ended and differential analog inputs?
- What is the SNR and SFDR of the ADS825E/1K?
The SNR is 60dB, and the SFDR is 72dBFS.
- Can the ADS825E/1K use an external reference?
- What is the package type and pin count of the ADS825E/1K?
The package type is SSOP-28 with 28 pins.
- Is the ADS825E/1K compatible with +3V and +5V logic I/O?
- What are some typical applications of the ADS825E/1K?
Typical applications include medical imaging, test equipment, computer scanners, communications, and video digitizing.
- How does the power-down mode affect the power consumption of the ADS825E/1K?
The power-down mode reduces the power consumption from 190mW to 20mW.
