Overview
The AD589JRZ-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. It is designed to offer high stability and excellent performance at a low cost, making it suitable for a variety of applications, including battery-powered instruments and systems requiring precise voltage references.
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 (0°C to 70°C) | - | 10 | 50 | ppm/°C |
| Turn-On Settling Time to 0.1% | - | 25 | 25 | µs |
| Operating Current | 0.05 | 5 | 5 | mA |
| Operating Temperature Range | 0 | - | 70 | °C |
| Package Type | - | - | SOIC-8 (R-8) | - |
Key Features
- Provides a fixed 1.23 V output voltage for input currents between 50 µA and 5.0 mA.
- Low output impedance of 0.6 Ω, ten times lower than typical low-TC Zener diodes.
- No external components required to maintain full accuracy under changing load conditions.
- Can be operated as a positive or negative reference, and floating operation is also possible.
- Low power consumption: operates with a total current as low as 50 µA (60 µW total power dissipation), ideal for battery-powered instrument applications.
- Superior temperature performance and reduced sensitivity to capacitive loading compared to other 1.2 V references.
- Available in versions compliant with MIL-STD-883.
Applications
The AD589JRZ-REEL is suitable for a wide range of applications, including:
- Battery-powered instruments and devices.
- Systems requiring precise voltage references.
- Industrial control systems.
- Aerospace and military applications due to its MIL-STD-883 compliance.
- Any application requiring a stable, low-cost voltage reference.
Q & A
- What is the output voltage of the AD589JRZ-REEL? The AD589JRZ-REEL provides a fixed 1.23 V output voltage.
- What is the input current range for the AD589JRZ-REEL? The input current range is between 50 µA and 5.0 mA.
- What is the output impedance of the AD589JRZ-REEL? The output impedance is 0.6 Ω.
- Does the AD589JRZ-REEL require external components for operation? No, it does not require external components to maintain full accuracy under changing load conditions.
- What are the operating temperature ranges for the AD589JRZ-REEL? The AD589JRZ-REEL is available in versions specified for 0°C to +70°C and –55°C to +125°C.
- Is the AD589JRZ-REEL suitable for battery-powered applications? Yes, it is ideal for battery-powered instrument applications due to its low power consumption.
- What are the package options for the AD589JRZ-REEL? It is available in an 8-lead SOIC package (R-8).
- Is the AD589JRZ-REEL compliant with any military standards? Yes, it is available in versions compliant with MIL-STD-883.
- How does the AD589JRZ-REEL compare to other 1.2 V references? It offers superior temperature performance and reduced sensitivity to capacitive loading compared to other 1.2 V references.
- What is the typical turn-on settling time for the AD589JRZ-REEL? The typical turn-on settling time to 0.1% is 25 µs.
