Overview
The AD1139J from Analog Devices Inc. is a high-accuracy, 18-bit digital-to-analog converter (DAC) designed to provide precise analog output voltages. This component is a complete DAC system, featuring a precision internal reference, latched data inputs, and a high-quality output voltage amplifier. The AD1139J is suitable for applications requiring high resolution and accuracy in converting digital signals to analog voltages.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 18 bits |
| Analog Output Voltage Range | 0 to 10V, 0 to 5V, or bipolar ranges |
| Internal Reference | Precision internal reference |
| Data Inputs | Latched data inputs |
| Output Amplifier | High-quality output voltage amplifier |
| Package Type | 28-pin PDIP, 28-pin SOIC, or 28-pin TSSOP |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- High accuracy and 18-bit resolution for precise analog output voltages.
- Precision internal reference for stable output.
- Latched data inputs for synchronized data transfer.
- High-quality output voltage amplifier for reliable performance.
- Multiple output voltage ranges including 0 to 10V, 0 to 5V, and bipolar ranges.
- Available in various package types such as PDIP, SOIC, and TSSOP.
Applications
The AD1139J is ideal for various applications that require high-accuracy digital-to-analog conversion, including:
- Industrial control systems.
- Aerospace and defense systems.
- Medical devices and diagnostic equipment.
- Test and measurement instruments.
- Automotive systems requiring precise analog outputs.
Q & A
- What is the resolution of the AD1139J DAC?
The AD1139J has a resolution of 18 bits. - What are the available output voltage ranges for the AD1139J?
The AD1139J offers output voltage ranges of 0 to 10V, 0 to 5V, and bipolar ranges. - Does the AD1139J have an internal reference?
Yes, the AD1139J features a precision internal reference. - What type of data inputs does the AD1139J have?
The AD1139J has latched data inputs. - What is the operating temperature range of the AD1139J?
The operating temperature range is -40°C to +85°C. - In what package types is the AD1139J available?
The AD1139J is available in 28-pin PDIP, 28-pin SOIC, and 28-pin TSSOP packages. - What are some common applications for the AD1139J?
Common applications include industrial control systems, aerospace and defense systems, medical devices, test and measurement instruments, and automotive systems. - Does the AD1139J have a built-in output amplifier?
Yes, the AD1139J includes a high-quality output voltage amplifier. - Where can I find detailed specifications for the AD1139J?
Detailed specifications can be found on the datasheet available from Analog Devices Inc. or through distributors like Digi-Key, Mouser, and Heisener. - What is the significance of the precision internal reference in the AD1139J?
The precision internal reference ensures stable and accurate output voltages.
