Overview
The ADS7955SDBTR is a high-performance, 12-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. This component is designed for applications requiring high-speed data acquisition and precise signal conversion. It is part of the ADS79xx series, known for its compatibility, versatility, and robust performance. The ADS7955SDBTR is particularly suited for industrial and medical applications where reliability and accuracy are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 12 | bits | |
| Sampling Rate | 1 | MSPS | |
| Input Channels | 16 | Single-ended | |
| Analog Supply Voltage | 2.7 to 5.25 | V | |
| I/O Supply Voltage | 1.7 to 5.25 | V | |
| Power Dissipation | 14.5 | mW | At 1MSPS, VA=5V, VBD=3V |
| Input Bandwidth | 47 | MHz | 3dB |
| Package | TSSOP | 38-pin |
Key Features
- High-speed 1MSPS sampling rate for rapid data acquisition.
- 12-bit resolution ensures precise signal conversion.
- Wide analog and I/O supply voltage ranges enhance flexibility.
- Low power consumption (14.5mW) for energy-efficient applications.
- Programmable alarm levels for each channel enable advanced monitoring.
- Compact 38-pin TSSOP package for space-constrained designs.
Applications
The ADS7955SDBTR is widely used in various industries, including industrial automation, medical instrumentation, and digital power systems. Its high-speed and high-resolution capabilities make it ideal for applications such as PLC/IPC systems, optical line card monitoring, and multi-channel signal acquisition. Additionally, it is suitable for high-speed closed-loop systems and general-purpose signal monitoring.
Q & A
1. What is the resolution of the ADS7955SDBTR?
The ADS7955SDBTR has a resolution of 12 bits.
2. What is the maximum sampling rate of this ADC?
The maximum sampling rate is 1 MSPS (Mega Samples Per Second).
3. How many input channels does it support?
It supports 16 single-ended input channels.
4. What is the operating voltage range for the analog supply?
The analog supply voltage ranges from 2.7V to 5.25V.
5. Is the ADS7955SDBTR suitable for low-power applications?
Yes, it has a low power dissipation of 14.5mW at 1MSPS.
6. What is the input bandwidth of this ADC?
The input bandwidth is 47MHz at 3dB.
7. What package type does the ADS7955SDBTR use?
It is available in a 38-pin TSSOP package.
8. Can this ADC be used in medical applications?
Yes, its high precision and reliability make it suitable for medical instrumentation.
9. Does it support programmable alarm levels?
Yes, it supports two programmable alarm levels per channel.
10. What are the typical applications of the ADS7955SDBTR?
Typical applications include PLC/IPC systems, optical line card monitoring, and multi-channel signal acquisition.
