Overview
The AD584TH is a high-precision programmable voltage reference IC produced by Analog Devices Inc. It is designed to offer a wide range of output voltages with excellent accuracy and stability over a broad temperature range. This device is particularly useful in various power management and control applications where precise voltage references are essential.
Key Specifications
| Specification | Value |
|---|---|
| Output Voltages | 2.5 V, 5 V, 7.5 V, 10 V |
| Initial Error | ±0.14% |
| Temperature Coefficient | 20 ppm/°C |
| Noise (0.1 Hz to 10 Hz) | 50 µVp-p |
| Input Voltage Range | 4.5 V to 30 V |
| Supply Current | Typically 750 µA (on state), 100 µA (off state) |
| Operating Temperature Range | -55°C to 125°C |
| Storage Temperature Range | -65°C to 175°C |
| Package | Hermetically sealed 8-terminal TO-99 metal can |
Key Features
- Pin-programmable selection of four popular output voltages: 2.5 V, 5 V, 7.5 V, and 10 V.
- Laser-trimmed to high accuracies with low temperature coefficients.
- No external components required for standard output voltages; external resistors can be used for other voltages.
- Unique strobe terminal for turning the device on or off.
- Low quiescent current and the ability to source or sink current.
- Robust through-hole metal can packaging for enhanced environmental and mechanical protection.
Applications
- Power management and control systems.
- Instrumentation and measurement equipment.
- Industrial automation and control.
- Medical and healthcare devices.
- Automotive and transportation applications.
- References for 8-, 10-, or 12-bit digital-to-analog converters (DACs) and up to 14-bit analog-to-digital converters (ADCs).
Q & A
- What are the programmable output voltages of the AD584TH?
The AD584TH offers programmable output voltages of 2.5 V, 5 V, 7.5 V, and 10 V. - What is the temperature coefficient of the AD584TH?
The temperature coefficient of the AD584TH is 20 ppm/°C. - What is the input voltage range for the AD584TH?
The input voltage range for the AD584TH is 4.5 V to 30 V. - How much current does the AD584TH consume in the on and off states?
In the on state, the AD584TH consumes typically 750 µA, and in the off state, it consumes approximately 100 µA. - What is the operating temperature range of the AD584TH?
The operating temperature range of the AD584TH is -55°C to 125°C. - What types of packages are available for the AD584TH?
The AD584TH is available in a hermetically sealed 8-terminal TO-99 metal can package. - Can the AD584TH be used as a negative reference?
Yes, the AD584TH can be operated in a two-terminal “Zener” mode at 5 V output and above, allowing it to be used as a negative reference. - What are some common applications of the AD584TH?
The AD584TH is commonly used in power management and control systems, instrumentation, industrial automation, medical devices, and automotive applications. - Is the AD584TH compliant with any military standards?
Yes, the AD584TH is available in versions compliant with MIL-STD-883. - How does the strobe terminal function on the AD584TH?
The strobe terminal allows the device to be turned on or off, reducing the current drain to approximately 100 µA in the off state.
