Overview
The AD589JR-REEL, produced by Analog Devices Inc., is a 2-terminal, low-cost, temperature-compensated bandgap voltage reference. This device provides a fixed 1.23 V output voltage for input currents ranging from 50 µA to 5.0 mA. The AD589JR-REEL is part of the AD589 series, which is known for its high stability and excellent performance, thanks to Analog Devices' precision bipolar processing and thin-film technology. This component is particularly useful in applications requiring a stable reference voltage with minimal external components.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TA = 25°C) | 1.200 | 1.235 | 1.250 | V |
| Output Voltage Change vs. Current (50 µA to 5 mA) | 5 | 5 | 5 | mV |
| Dynamic Output Impedance | 0.6 | 2 | 0.6 | Ω |
| RMS Noise Voltage (10 Hz < f < 10 kHz) | 5 | 5 | 5 | µV |
| Temperature Coefficient | 10 | 50 | 100 | ppm/°C |
| Turn-on Settling Time to 0.1% | 25 | 25 | 25 | µs |
| Operating Current | 0.05 | 5 | 0.05 | mA |
| Operating Temperature Range | 0 | - | 70 | °C |
| Package Type | - | - | SOIC-8 | - |
Key Features
- Stable Output Voltage: Provides a fixed 1.23 V output voltage for a wide range of input currents (50 µA to 5.0 mA).
- Low Output Impedance: The dynamic output impedance is as low as 0.6 Ω, which is ten times lower than typical low-TC Zener diodes, allowing operation without external components.
- Temperature Stability: Offers temperature coefficients as low as 10 ppm/°C, ensuring stable output voltage over a wide range of operating conditions.
- Low Power Consumption: Can operate with a total current as low as 50 µA, making it ideal for battery-powered instrument applications.
- Flexible Operation: Can be operated as a positive or negative reference, and floating operation is also possible.
- MIL-STD-883 Compliance: Available in versions compliant with MIL-STD-883 for military and aerospace applications.
Applications
- Battery-Powered Instruments: Ideal for applications where low power consumption is critical.
- Industrial Control Systems: Used in systems requiring stable reference voltages.
- Aerospace and Military: Versions compliant with MIL-STD-883 make it suitable for these demanding environments.
- Medical Devices: Where precise and stable voltage references are necessary.
- Automotive Electronics: For systems that require reliable and stable voltage references over a wide temperature range.
Q & A
- What is the output voltage of the AD589JR-REEL?
The output voltage of the AD589JR-REEL is 1.23 V.
- What is the input current range for the AD589JR-REEL?
The input current range is between 50 µA and 5.0 mA.
- What is the dynamic output impedance of the AD589JR-REEL?
The dynamic output impedance is as low as 0.6 Ω.
- What are the temperature coefficients of the AD589JR-REEL?
The temperature coefficients are as low as 10 ppm/°C.
- Can the AD589JR-REEL be used in military and aerospace applications?
Yes, versions of the AD589 are available that are compliant with MIL-STD-883.
- What package types are available for the AD589JR-REEL?
The AD589JR-REEL is available in an 8-lead SOIC package.
- What is the operating temperature range for the AD589JR-REEL?
The operating temperature range is from 0°C to +70°C.
- Is the AD589JR-REEL suitable for battery-powered devices?
Yes, it can operate with a total current as low as 50 µA, making it ideal for battery-powered applications.
- Can the AD589JR-REEL be used as a positive or negative reference?
Yes, it can be operated as both a positive and negative reference, and floating operation is also possible.
- What is the turn-on settling time to 0.1% for the AD589JR-REEL?
The turn-on settling time to 0.1% is 25 µs.
