Overview
The AD584KNZ, produced by Analog Devices Inc., is a pin programmable precision voltage reference. This 8-terminal device offers the flexibility to select from four popular output voltages: 10.000 V, 7.500 V, 5.000 V, and 2.500 V. Additionally, other output voltages can be achieved by using external resistors. The AD584KNZ is known for its high precision and flexibility, making it a versatile component in various analog and digital applications.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Output Voltages | 10.000 V, 7.500 V, 5.000 V, 2.500 V | Pin programmable |
| Input Voltage Range | 4.5 V to 30 V | |
| Operating Temperature Range | 0°C to +70°C (AD584J, AD584K), -55°C to +125°C (AD584S, AD584T) | |
| Package Type | 8-Lead PDIP, 8-Pin TO-99 | |
| Supply Current | Typically 750 μA (on state), approximately 100 μA (off state) | Including output buffer amplifier |
| Temperature Coefficient | Varies by grade (e.g., 5 ppm/°C for AD584K) |
Key Features
- Pin Programmable Output Voltages: Allows selection of four standard output voltages and the ability to generate other voltages using external resistors.
- Strobe Terminal: 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.
- High Precision: Laser wafer trimming ensures low initial accuracy and temperature coefficient errors.
- Flexible Operation: Can be used in 2-terminal Zener mode or as a positive reference by connecting the input and output to the positive supply.
- Low Output Impedance: Typically 0.2 Ω, ensuring good load regulation.
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: Offers better performance than standard self-contained references in various applications.
Q & A
- What are the standard output voltages of the AD584KNZ?
The standard output voltages are 10.000 V, 7.500 V, 5.000 V, and 2.500 V.
- How can other output voltages be achieved?
Other output voltages can be achieved by using external resistors.
- What is the input voltage range for the AD584KNZ?
The input voltage range is from 4.5 V to 30 V.
- What are the operating temperature ranges for the AD584KNZ?
The operating temperature ranges are 0°C to +70°C for AD584J and AD584K, and -55°C to +125°C for AD584S and AD584T.
- What is the typical supply current of the AD584KNZ in the on state?
The typical supply current is 750 μA, including the output buffer amplifier.
- How does the strobe terminal function?
The strobe terminal 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.
- What is the significance of laser wafer trimming in the AD584KNZ?
Laser wafer trimming ensures low initial accuracy and temperature coefficient errors, resulting in high precision.
- Can the AD584KNZ be used in Zener mode?
Yes, it can be used in 2-terminal Zener mode at a 5 V output and above.
- What are the typical applications of the AD584KNZ?
It is ideal for DACs, ADCs, and general analog and digital systems requiring high precision voltage references.
- What are the available package types for the AD584KNZ?
The available package types are 8-Lead PDIP and 8-Pin TO-99.
