Overview
The AD589JRZ is a 2-terminal, low-cost, temperature-compensated band gap voltage reference produced by Analog Devices Inc. This device provides a fixed 1.235 V output voltage and is designed for a wide range of applications requiring stable voltage references. The AD589JRZ is known for its high stability, low output impedance, and minimal sensitivity to capacitive loading, making it an ideal choice for various electronic systems.
Key Specifications
| Parameter | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|
| Output Voltage (TA = 25°C) | 1.235 | 1.200 | 1.250 | V |
| Output Voltage Change vs. Current (50 μA to 5 mA) | 5 | - | - | mV |
| Dynamic Output Impedance | 0.6 | - | 2 | Ω |
| RMS Noise Voltage (10 Hz < f < 10 kHz) | 5 | - | - | μV |
| Temperature Coefficient | 100 | - | - | ppm/°C |
| Turn-on Settling Time to 0.1% | 25 | - | - | μs |
| Operating Current | 0.05 | - | 5 | mA |
| Operating Temperature Range | -55 to +125 | -55 | +125 | °C |
| Package Type | SOIC-8 | - | - | - |
Key Features
- Fixed output voltage of 1.235 V with a tolerance range of -2.83% to +1.22%.
- Low output impedance of 0.6 Ω, ensuring stable output voltage under varying load conditions.
- Temperature coefficient as low as 10 ppm/°C, providing excellent temperature stability.
- Low noise performance, with an RMS noise voltage of 5 μV (10 Hz < f < 10 kHz).
- Operates with a total current as low as 50 μA, making it suitable for battery-powered applications.
- No external components required for frequency compensation or to maintain full accuracy.
- Available in versions compliant with MIL-STD-883.
Applications
- Power management systems: The AD589JRZ is used to provide a stable reference voltage in power management circuits.
- Data converters: It serves as a precise voltage reference for analog-to-digital and digital-to-analog converters.
- Instrumentation equipment: The device is used in various measurement and instrumentation applications requiring stable voltage references.
Q & A
- Q: What is the output voltage of the AD589JRZ?
A: The output voltage of the AD589JRZ is 1.235 V. - Q: What is the temperature coefficient of the AD589JRZ?
A: The temperature coefficient of the AD589JRZ is as low as 10 ppm/°C. - Q: What is the minimum operating current of the AD589JRZ?
A: The minimum operating current of the AD589JRZ is 50 μA. - Q: In what package types is the AD589JRZ available?
A: The AD589JRZ is available in an 8-lead SOIC package. - Q: Is the AD589JRZ compliant with any military standards?
A: Yes, the AD589JRZ is available in versions compliant with MIL-STD-883. - Q: What are the typical applications of the AD589JRZ?
A: The AD589JRZ is typically used in power management systems, data converters, and instrumentation equipment. - Q: What is the dynamic output impedance of the AD589JRZ?
A: The dynamic output impedance of the AD589JRZ is 0.6 Ω. - Q: How does the AD589JRZ perform in terms of noise?
A: The AD589JRZ has a low noise performance with an RMS noise voltage of 5 μV (10 Hz < f < 10 kHz). - Q: Can the AD589JRZ be used in floating operation?
A: Yes, the AD589JRZ can be operated as a positive or negative reference and also in floating operation. - Q: What is the operating temperature range of the AD589JRZ?
A: The operating temperature range of the AD589JRZ is -55°C to +125°C.
