Overview
The LTC1272-3ACSW is a 12-bit, successive approximation sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. It is known for its high speed and accuracy, featuring a conversion time of 3µs and utilizing LTBiCMOS™ switched-capacitor technology. This ADC is compatible with a single 5V supply and has the same pinout as the industry standard AD7572, making it a versatile option for various applications. The LTC1272-3ACSW includes an on-chip sample-and-hold circuit and a precision reference, enhancing its performance and ease of use.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Time | 3µs |
| Sampling Rate | 250kHz |
| Input Range | 0V to 5V |
| Supply Voltage | Single 5V (compatible with 5V/–15V supplies) |
| Reference Output | 2.42V |
| Package Type | 24-Lead SOIC (Wide 0.3 Inch) |
| Interface | Can be read as a 12-bit word or as two 8-bit bytes |
| Clock Source | Crystal or external clock |
Key Features
- High-speed conversion time of 3µs
- On-chip sample-and-hold circuit for accurate sampling
- Single 5V supply operation with compatibility for 5V/–15V supplies
- Precision reference output of 2.42V
- Flexible interface: data can be read as a 12-bit word or as two 8-bit bytes
- Compatible with both crystal and external clock sources
- Same pinout as the industry standard AD7572, allowing for easy replacement
Applications
The LTC1272-3ACSW is suitable for a variety of applications that require high-speed and accurate analog-to-digital conversion. These include:
- Data acquisition systems
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems requiring precise and fast data conversion
Q & A
- What is the resolution of the LTC1272-3ACSW ADC?
The LTC1272-3ACSW has a resolution of 12 bits. - What is the conversion time of the LTC1272-3ACSW?
The conversion time is 3µs. - What is the input voltage range of the LTC1272-3ACSW?
The input voltage range is 0V to 5V. - Can the LTC1272-3ACSW operate with a single supply voltage?
Yes, it can operate with a single 5V supply and is also compatible with 5V/–15V supplies. - What is the reference output voltage of the LTC1272-3ACSW?
The reference output voltage is 2.42V. - What types of packages are available for the LTC1272-3ACSW?
The LTC1272-3ACSW is available in 24-Lead SOIC (Wide 0.3 Inch) packages. - How can the data from the LTC1272-3ACSW be read?
The data can be read as a 12-bit word or as two 8-bit bytes. - Can the LTC1272-3ACSW use an external clock source?
Yes, it can use either a crystal or an external clock source. - Is the LTC1272-3ACSW compatible with the AD7572?
Yes, it has the same pinout as the AD7572, making it a compatible replacement. - What are some common applications of the LTC1272-3ACSW?
Common applications include data acquisition systems, industrial control systems, medical devices, aerospace and defense systems, and automotive systems.
