Overview
The LTC1272-8CCN is a high-performance, 12-bit successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is known for its fast conversion time and high accuracy, making it suitable for a variety of applications requiring precise analog-to-digital conversion.
The LTC1272 is designed to be compatible with the industry-standard AD7572, offering improved performance with a faster conversion time of 3µs and on-chip sample-and-hold functionality. It operates on a single 5V supply, although it can also accept the 5V/–15V supplies required by the AD7572 with some modifications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Time | 3µs (speed grade) |
| Sampling Rate | 250 kHz |
| Supply Voltage | Single 5V (or 5V/–15V compatible) |
| Input Range | 0V to 5V |
| Reference Output | 2.42V |
| Package | 24-Lead PDIP (Narrow 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
- Fast conversion time of 3µs, with other speed grades available (e.g., 8µs)
- On-chip sample-and-hold circuitry for accurate sampling
- Single supply operation with a 5V supply, compatible with 5V/–15V supplies of the AD7572
- LTBiCMOS™ switched-capacitor technology for high speed and accuracy
- 2.42V reference output for single supply operation
- Flexible interface: output data can be read as a 12-bit word or as two 8-bit bytes
- Compatible with both crystal and external clock sources
Applications
The LTC1272-8CCN is versatile and can be used in various applications that require high-speed and accurate analog-to-digital conversion. Some common applications include:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Data acquisition systems
- Test and measurement equipment
Q & A
- What is the resolution of the LTC1272-8CCN ADC?
The LTC1272-8CCN has a resolution of 12 bits.
- What is the conversion time of the LTC1272-8CCN?
The conversion time is 3µs for the specified speed grade.
- What is the input voltage range of the LTC1272-8CCN?
The input voltage range is 0V to 5V.
- Can the LTC1272-8CCN operate on a single supply voltage?
- What is the reference output voltage of the LTC1272-8CCN?
The reference output voltage is 2.42V.
- What types of packages are available for the LTC1272-8CCN?
The component is available in 24-Lead PDIP (Narrow 0.3 Inch) and 24-Lead SOIC (Wide 0.3 Inch) packages.
- How can the output data of the LTC1272-8CCN be read?
The output data can be read as a 12-bit word or as two 8-bit bytes.
- Can the LTC1272-8CCN use an external clock source?
- Is the LTC1272-8CCN compatible with the AD7572?
- What technology does the LTC1272-8CCN use?
