Overview
The AD589JR is a 2-terminal, low-cost, temperature-compensated bandgap voltage reference produced by Analog Devices Inc. This device provides a fixed 1.23 V output voltage for input currents ranging from 50 µA to 5.0 mA. The AD589JR is known for its high stability, which is achieved through the precise matching and thermal tracking of on-chip components. It utilizes Analog Devices' precision bipolar processing and thin-film technology to offer excellent performance at a low cost.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage at 25°C | 1.200 | 1.235 | 1.250 | V |
| Output Voltage Change vs. Current (50 µA to 5 mA) | - | 5 | 5 | mV |
| Dynamic Output Impedance | - | 0.6 | 2 | Ω |
| RMS Noise Voltage (10 Hz < f < 10 kHz) | - | 5 | 5 | µV |
| Temperature Coefficient | - | 10 | 50 | ppm/°C |
| Turn-On Settling Time to 0.1% | - | 25 | 25 | µs |
| Operating Current | 0.05 | - | 5 | mA |
| Operating Temperature | 0 | - | 70 | °C |
| Package | - | - | - | 8-SOIC |
Key Features
- Temperature Compensated: The AD589JR provides a stable output voltage over a wide temperature range, with temperature coefficients as low as 10 ppm/°C.
- Low Output Impedance: The device has an output impedance of 0.6 Ω, which is significantly lower than typical low-TC Zener diodes, allowing operation without external components.
- Low Power Consumption: It can operate with a total current as low as 50 µA, making it ideal for battery-powered applications.
- Flexible Operation: The AD589JR can be used as a positive or negative reference and supports floating operation.
- MIL-STD-883 Compliant: Certain versions of the AD589 are compliant with MIL-STD-883, ensuring high reliability for military and aerospace applications).
- RoHS Compliant: The AD589JR is lead-free and RoHS compliant, meeting environmental standards).
Applications
- Battery-Powered Instruments: The low power consumption makes it suitable for battery-powered devices).
- Industrial Control Systems: Its stability and low output impedance make it a reliable choice for industrial control systems.
- Military and Aerospace: Versions compliant with MIL-STD-883 are used in military and aerospace applications where high reliability is critical).
- Medical Devices: The precision and stability of the AD589JR make it suitable for use in medical devices that require accurate voltage references.
- Automotive Systems: It can be used in automotive systems that require stable voltage references over a wide range of temperatures.
Q & A
- What is the output voltage of the AD589JR?
The AD589JR provides a fixed output voltage of 1.23 V).
- What is the input current range for the AD589JR?
The input current range is between 50 µA and 5.0 mA).
- What is the typical output impedance of the AD589JR?
The typical output impedance is 0.6 Ω).
- Is the AD589JR RoHS compliant?
- What are the operating temperature ranges for the AD589JR?
The AD589JR operates from 0°C to +70°C, with some versions rated for –55°C to +125°C).
- Can the AD589JR be used as a negative reference?
- What is the typical turn-on settling time to 0.1% for the AD589JR?
- Is the AD589JR available in different package options?
- What are some common applications of the AD589JR?
- Does the AD589JR require external components to maintain accuracy?
