AD580UH/883B - 2.5V Precision Voltage Reference | Analog Devices
料号： AD580UH/883B ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $218.09 | $218.09 |
| 10 | $210 | $2,100.00 |
| 100 | $195 | $19,500.00 |
| 500 | $180 | $90,000.00 |
| 1,000 | $165 | $165,000.00 |
AD580UH/883B 概述
A voltage reference is a precision electronic circuit that produces a constant output voltage regardless of load current, input voltage, or temperature variations. It serves as a stable benchmark for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision analog circuits. Voltage references are fundamental building blocks in power management and signal conditioning, providing the accuracy required for high-resolution data conversion and measurement systems. The AD580UH/883B belongs to the family of series voltage references, which regulate output voltage by adjusting a series pass element, offering low output impedance and stable operation.
Key features of the AD580UH/883B include its laser-trimmed thin-film resistors, which achieve high initial accuracy of ±0.4%, and its excellent long-term stability of 25 V/month. The device operates with a low quiescent current, making it suitable for battery-powered and power-sensitive applications. Its wide input voltage range of 4.5 V to 30 V allows flexibility in various supply configurations, including operation from 5 V logic supplies. The TO-52-3 hermetic package ensures protection against moisture and environmental contaminants, enhancing reliability in harsh conditions.
Technically, the AD580UH/883B utilizes a bandgap reference architecture, which generates a stable voltage based on the bandgap energy of silicon. This design provides a temperature-compensated output that is largely independent of supply voltage variations. The device is laser-trimmed during manufacturing to achieve precise output voltage and temperature coefficient, ensuring consistent performance across production batches. The AD580UH/883B is recommended as a stable reference for all 8-, 10-, and 12-bit D/A converters that require an external reference, and its wide input range makes it ideal for digital panel meters and single-supply logic systems.
Typical applications include precision data acquisition systems, industrial process control, medical instrumentation, and military avionics. The AD580UH/883B is particularly suited for high-reliability environments where consistent voltage reference is critical. Its hermetic package and MIL-STD-883 compliance make it a preferred choice for defense and aerospace applications.
When designing with the AD580UH/883B, ensure adequate decoupling capacitors on the input and output to maintain stability. The device's low output impedance allows direct connection to ADC reference inputs, but proper layout practices should be followed to minimize noise pickup.
直接替换替代料： AD580UH/883B ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
AD580SH/883B
✅ 直接替换📋 参考替代料（不在目录中）
AD581UH/883B
✅ 直接替换📋 参考替代料（不在目录中）
AD584SH/883B
✅ 直接替换📋 参考替代料（不在目录中）
REF01AJ/883C
✅ 直接替换📋 参考替代料（不在目录中）
REF02AZ/883C
✅ 直接替换📋 参考替代料（不在目录中）
AD580UH/883B 最大额定值与电气特性
| 输出类型 | Fixed |
| 输出电压 | 2.5 V |
| Output Tolerance | ±0.4% |
| 输入电压范围 | 4.5 V to 30 V |
| Output Current | 10 mA |
| Temperature Coefficient | 10 ppm/°C |
| 工作温度范围 | -55°C to +125°C |
| Package Type | TO-52-3 (TO-206AC) Metal Can |
| 安装类型 | Through Hole |
| Long-Term Stability | 25 V/month |
| Reference Type | Series |
| MIL-STD-883 | Class B compliant |
| RoHS 状态 | unknown |
| Lead-Free | unknown |
AD580UH/883B 引脚配置
| 引脚 1 | VIN — Input voltage (4.5V to 30V) |
| 引脚 2 | GND — Ground |
| 引脚 3 | VOUT — 2.5V reference output |
典型应用
AD580UH/883B 适用于 6 应用s: Military Avionics, Precision Data Acquisition, Industrial Process Control, Medical Instrumentation, Aerospace Telemetry, Test and Measurement.
Military Avionics
The AD580UH/883B provides a stable 2.5V reference for avionics data acquisition systems, ensuring accurate sensor readings in extreme temperatures. Its MIL-STD-883 compliance and hermetic package guarantee reliability in harsh environments, with a temperature coefficient of 10 ppm/°C maintaining precision from -55°C to +125°C.
推荐
Precision Data Acquisition
In data acquisition systems, the AD580UH/883B serves as a reference for high-resolution ADCs, providing a low-noise 2.5V source. Its ±0.4% accuracy and 10 ppm/°C stability ensure minimal conversion errors, while the 10 mA output current can drive multiple ADC reference inputs. The wide input range allows operation from 5V to 30V supplies.
推荐
Industrial Process Control
The AD580UH/883B is ideal for industrial process control systems where precise voltage references are critical for sensor signal conditioning. Its wide input voltage range (4.5V to 30V) accommodates various industrial supply rails, and its temperature stability ensures consistent performance in factory environments. The hermetic package protects against moisture and contaminants.
推荐
Medical Instrumentation
In medical devices, the AD580UH/883B provides a stable reference for patient monitoring and diagnostic equipment. Its low temperature drift (10 ppm/°C) ensures accurate measurements over body temperature variations, and the hermetic TO-52-3 package meets stringent reliability requirements. The device's low quiescent current is suitable for battery-powered portable monitors.
推荐
Aerospace Telemetry
The AD580UH/883B is used in aerospace telemetry systems to provide a precise voltage reference for data encoding and transmission. Its MIL-STD-883 Class B compliance ensures it can withstand the vibration and temperature extremes of spaceflight. The 2.5V output is compatible with many telemetry ADCs, and the wide input range allows direct connection to 28V spacecraft buses.
推荐
Test and Measurement
In test and measurement equipment, the AD580UH/883B provides a stable reference for calibration and measurement circuits. Its high accuracy (±0.4%) and low temperature coefficient (10 ppm/°C) ensure reliable readings across a wide temperature range. The device's hermetic package and long-term stability (25 V/month) make it suitable for precision instruments used in laboratory and field environments.
推荐
推荐产品汇总
工程参考数据： AD580UH/883B ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | AD580SH/883B | AD581UH/883B | AD584SH/883B |
|---|---|---|---|---|
| Package | TO-52-3 | TO-52-3 | TO-52-3 | TO-52-3 |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Output Voltage | 2.5V | 2.5V | 10V | 2.5V/5V/7.5V/10V |
| Output Current | 10mA | 10mA | 10mA | 10mA |
| Temperature Coefficient | 10 ppm/°C | 10 ppm/°C | 10 ppm/°C | 10 ppm/°C |
| Input Voltage Range | 4.5V to 30V | 4.5V to 30V | 12V to 40V | 4.5V to 30V |
| MIL-STD-883 | Class B | Class B | Class B | Class B |
关键差异点
- MIL-STD-883 Class B compliance （对比 Standard AD580)
- Hermetic TO-52-3 package （对比 Plastic packages)
- Tight temperature coefficient of 10 ppm/°C （对比 AD580SH/883B)
设计说明
The AD580UH/883B requires an input voltage at least 2V above the output (2.5V) for proper regulation. For a 5V supply, ensure the input is stable and well-filtered. Use a 0.1uF ceramic capacitor on the input and a 1uF tantalum capacitor on the output to maintain stability and reduce noise.
The TO-52-3 metal can package provides good thermal conductivity. For high input voltages (e.g., 30V) and maximum output current (10mA), power dissipation is (30V-2.5V)*10mA = 275mW, which is within the package's capability. Ensure adequate airflow or heatsinking if operating near maximum ratings in high ambient temperatures.
Keep the AD580UH/883B close to the ADC reference input to minimize trace inductance and noise pickup. Use a ground plane and separate analog and digital grounds. Avoid routing high-frequency digital signals near the reference output. Follow the layout guidelines in the AD580 datasheet for optimal performance.
合规信息
MIL-STD-883 Class B compliant per Analog Devices cross-reference guide. RoHS/REACH status not specified in provided data.
