Overview
The AD581TH/883B is a high-precision, temperature-compensated, monolithic voltage reference IC produced by Analog Devices Inc. This device is designed to provide a precise 10.00 V output voltage from an unregulated input level ranging from 12 V to 30 V. The AD581TH/883B is part of the AD581 series, which is known for its high precision and stability, achieved through laser wafer trimming (LWT) that minimizes initial error and temperature coefficient. This makes it suitable for applications requiring high accuracy and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 10.00 V |
| Input Voltage Range | 12 V to 30 V |
| Initial Error Tolerance | 5 mV (AD581L) |
| Temperature Coefficient | 5 ppm/°C (AD581L) |
| Output Current Capability | Up to 10 mA |
| Total Supply Current | Typically 750 μA |
| Operating Temperature Range | -55°C to +125°C (AD581TH/883B) |
| Package Type | Hermetically sealed three-terminal TO-5 metal can |
Key Features
- High precision and stability due to laser wafer trimming (LWT).
- No external components required for full accuracy and stability.
- Low power consumption with a total supply current of typically 750 μA.
- Output buffer amplifier capable of supplying up to 10 mA.
- Hermetically sealed three-terminal TO-5 metal can packaging.
- Long-term stability equivalent to selected Zener reference diodes.
Applications
The AD581TH/883B is recommended for use as a reference in various analog and digital conversion applications, including:
- 8-, 10-, or 12-bit digital-to-analog converters (DACs) that require an external precision reference.
- Analog-to-digital converters (ADCs) up to 14-bit accuracy, including successive approximation and integrating designs.
Q & A
- What is the output voltage of the AD581TH/883B?
The output voltage of the AD581TH/883B is 10.00 V. - What is the input voltage range for the AD581TH/883B?
The input voltage range is from 12 V to 30 V. - What is the initial error tolerance of the AD581L?
The initial error tolerance of the AD581L is 5 mV. - What is the temperature coefficient of the AD581L?
The temperature coefficient of the AD581L is 5 ppm/°C. - How much current can the output buffer amplifier supply?
The output buffer amplifier can supply up to 10 mA. - What is the typical total supply current of the AD581TH/883B?
The typical total supply current is 750 μA. - What is the operating temperature range of the AD581TH/883B?
The operating temperature range is -55°C to +125°C. - In what type of package is the AD581TH/883B available?
The AD581TH/883B is available in a hermetically sealed three-terminal TO-5 metal can. - What are some common applications of the AD581TH/883B?
The AD581TH/883B is commonly used in DACs, ADCs, and other precision analog and digital conversion applications. - Why is laser wafer trimming (LWT) important in the AD581TH/883B?
Laser wafer trimming (LWT) is important because it minimizes the initial error and temperature coefficient, ensuring high precision performance.
