Overview
The AD589SH/883B is a precision 1.2 V shunt voltage reference IC produced by Analog Devices Inc. This component is known for its high stability, which is achieved through the matching and thermal tracking of on-chip components. Utilizing Analog Devices' precision bipolar processing and thin-film technology, the AD589SH/883B offers excellent performance at a low cost. It is designed to operate with no external components required to maintain full accuracy under changing load conditions, making it a reliable choice for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package/Case | TO-51 |
| Output Voltage | 1.235 V |
| Initial Accuracy | 1.2 % |
| Average Temperature Coefficient (Typ) | 100 PPM / °C |
| Shunt Current (Max) | 5 mA |
| Maximum Operating Temperature | +125 °C |
| Minimum Operating Temperature | -55 °C |
| Reference Type | Precision |
| Output Impedance | 0.6 Ω |
Key Features
- Superior Replacement for Other 1.2 V References
- Wide Operating Range: 50 µA to 5 mA
- Low Power: 60 µW Total PD at 50 µA
- Low Temperature Coefficient: 10 ppm/°C Max (0°C to 70°C for AD589M grade)
- 2-Terminal Zener Operation
- Low Output Impedance: 0.6 Ω
- No Frequency Compensation Required
- Low Cost
- MIL-STD-883 Compliant Versions Available
Applications
The AD589SH/883B is suitable for a variety of applications requiring a stable and precise voltage reference. These include but are not limited to:
- Instrumentation and measurement systems
- Power supplies and voltage regulators
- Analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
- Industrial control systems
- Military and aerospace applications due to its MIL-STD-883 compliance
Q & A
- Q: What is the output voltage of the AD589SH/883B?
A: The output voltage of the AD589SH/883B is 1.235 V. - Q: What is the operating temperature range of the AD589SH/883B?
A: The AD589SH/883B operates over a temperature range of -55°C to +125°C. - Q: What is the maximum shunt current for the AD589SH/883B?
A: The maximum shunt current for the AD589SH/883B is 5 mA. - Q: Does the AD589SH/883B require external components for operation?
A: No, the AD589SH/883B does not require external components to maintain full accuracy under changing load conditions. - Q: What is the typical output impedance of the AD589SH/883B?
A: The typical output impedance of the AD589SH/883B is 0.6 Ω. - Q: Is the AD589SH/883B compliant with MIL-STD-883?
A: Yes, the AD589SH/883B is MIL-STD-883 compliant. - Q: What is the package type of the AD589SH/883B?
A: The AD589SH/883B is available in a TO-51 package. - Q: What are the different grades of the AD589SH/883B and their temperature ranges?
A: The AD589J, K, L, and M grades are specified for 0°C to +70°C operation, while the S, T, and U grades are rated for the full -55°C to +125°C temperature range. - Q: What is the average temperature coefficient of the AD589SH/883B?
A: The average temperature coefficient (typ) of the AD589SH/883B is 100 PPM / °C. - Q: How does the AD589SH/883B compare to typical low-TC Zener diodes?
A: The AD589SH/883B has an output impedance ten times lower than typical low-TC Zener diodes.
