Overview
The AD584JH is a precision voltage reference device produced by Analog Devices Inc. This component is part of the AD584 series, known for its high precision and flexibility. The AD584JH offers pin programmable selection of four popular output voltages: 10.000 V, 7.500 V, 5.000 V, and 2.500 V. It is designed to provide a reliable and accurate voltage reference, making it suitable for a variety of applications in analog and digital systems.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltages | 10.000 V, 7.500 V, 5.000 V, 2.500 V |
| Input Voltage Range | 4.5 V to 30 V |
| Temperature Range | 0°C to +70°C (J and K grades), -55°C to +125°C (S and T grades) |
| Initial Accuracy | ±10 mV (typical for T grade) |
| Temperature Coefficient | ±15 mV (maximum over temperature range for T grade) |
| Supply Current | Typically 750 µA (including output buffer amplifier) |
| Output Current Capability | Can source or sink current, good load regulation in either direction |
| Package Type | Hermetically sealed, eight-terminal TO-99 metal can, and 8-lead PDIP for J and K grades |
Key Features
- Pin Programmable Output Voltages: Allows selection of four standard output voltages and the ability to generate other voltages using external resistors.
- High Precision: Laser wafer trimming ensures low initial accuracy and temperature coefficients.
- Flexible Operation: Can be used in a 2-terminal Zener mode and can source or sink current with good load regulation.
- Low Power Strobe Function: Enables the device to be turned on or off with a single low power signal, reducing current drain to approximately 100 µA in the off state.
- Robust Packaging: Available in hermetically sealed TO-99 metal can and 8-lead PDIP packages.
Applications
- Digital-to-Analog Converters (DACs): Ideal for 8-, 10-, or 12-bit DACs requiring an external precision reference.
- Analog-to-Digital Converters (ADCs): Suitable for up to 14-bit accuracy in successive approximation or integrating designs.
- General Analog and Digital Systems: Can be used as a precision reference in various analog and digital circuits where high accuracy is required.
Q & A
- What are the standard output voltages of the AD584JH?
The AD584JH offers pin programmable selection of 10.000 V, 7.500 V, 5.000 V, and 2.500 V output voltages.
- What is the input voltage range for the AD584JH?
The input voltage range is from 4.5 V to 30 V.
- What is the temperature range for the AD584JH?
The temperature range is 0°C to +70°C for J and K grades, and -55°C to +125°C for S and T grades.
- How accurate is the AD584JH in terms of initial accuracy?
The initial accuracy is typically ±10 mV for the T grade.
- Can the AD584JH source or sink current?
Yes, the AD584JH can both source and sink current with good load regulation in either direction.
- What is the purpose of the strobe function in the AD584JH?
The strobe function allows the device to be turned on or off with a single low power signal, reducing current drain to approximately 100 µA in the off state.
- In what packages is the AD584JH available?
The AD584JH is available in hermetically sealed, eight-terminal TO-99 metal can and 8-lead PDIP packages.
- What types of converters can the AD584JH be used with?
The AD584JH is suitable for use with 8-, 10-, or 12-bit DACs and up to 14-bit ADCs.
- How does the AD584JH achieve its high precision?
The AD584JH achieves its high precision through laser wafer trimming of both initial accuracy and temperature coefficients.
- Can the AD584JH be used in a Zener configuration?
Yes, the AD584JH can be used in a 2-terminal Zener mode at a 5 V output and above.
