热电偶接口
ADI公司提供专业化的精密热电偶接口放大器，为热电偶温度测量提供了一种简单有效的解决方案。借助集成冷结补偿和高增益精密仪表放大器等特性，AD849x和AD59x在针对J和K型热电偶定制的单个IC封装中提供了完整的信号调理系统。ADI公司的热电偶放大器提供5mV/°C或10mV/°C的线性输出电压，适合在实验室环境以及更恶劣或不可控的环境中测量广泛的温度。这些产品可以在各种应用和行业中为您节省成本、空间和不必要的电路设计。
已完成设计、测试，可供立即集成
产品选型表
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Learning Resources
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- Watch Video: Thermocouple101, series of 8 videos
Thermocouple 101 is a whiteboard series consisting of 8 informative videos that cover a wide range of Thermocouple related topics. - Technical article: Two ways to measure temperature using thermocouples feature simplicity, accuracy, and flexibility. (pdf)
- Application note: AN-1087 Thermocouple linearization when using the AD894/AD8495/AD8496/AD8497 (pdf)
- Watch Video: Thermocouple101, series of 8 videos
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Design Resources
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- Data Sheet: AD8494/AD8495/AD8496/AD8497 Precision Thermocouple Amplifier with Cold Junction Compensation (pdf)
- CFTLs:
- PLC Demo System User Guide (pdf)
- Tool: AD849x Thermocouple Nonlinearity Error Calculator
Thermocouple Interface
| Part# |  | Product Description | 25°C Temp Error (Deg C) | Sensor Output | Supply Voltage Range | Supply Current | Temp Range(s) | Packages | Output Type | Features | US Price 1000-4999 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| AD8494 | ✓ | Full J-Type Range 0° to 50° Thermocouple Amplifier w/Cold Junction Compensation | 1Deg | +5 mV/°C | +2.7V to ±18V | 180µA | -40 to +125 | MSOP-8 | Analog | - |
$ |
| AD8496 | ✓ | Full J-Type Range 25° to 100° Thermocouple Amplifier w/Cold Junction Compensation | 1.5Deg | +5 mV/°C | +2.7V to ±18V | 180µA | -40 to +125 | MSOP-8 | Analog | Thermocouple Interface |
$ |
| AD8495Reference Circuit Available | ✓ | Full K-Type Range 0° to 50° Thermocouple Amplifier w/Cold Junction Compensation | 1Deg | +5 mV/°C | +2.7V to ±18V | 180µA | -40 to +125 | MSOP-8 | Analog | - |
$ |
| AD8497 | ✓ | Full K-Type Range 25° to 100° Thermocouple Amplifier w/Cold Junction Compensation | 1.5Deg | +5 mV/°C | +2.7V to ±18V | 180µA | -40 to +125 | MSOP-8 | Analog | Thermocouple Interface |
$ |
| AD596 | Thermocouple Conditioner/Cold Junction Compensator/Setpoint-Controller for Type-J Thermocouple | - | +10 mV/°C | +Vs to -Vs = 30Vmax | 300µA | -55 to +125 | 10 lead TO-100 | Analog | Thermocouple fail alarm |
$ | |
| AD597 | Thermocouple Conditioner/Cold Junction Compensator/Setpoint-Controller for Type-K Thermocouple | - | +10 mV/°C | +Vs to -Vs = 30Vmax | 300µA | -55 to +125 | 10 lead TO-100, SOIC-8 | Analog | Thermocouple fail alarm |
$ | |
| AD595 | I.C.Thermocouple Amplifier w/ Cold Junction Compensation Pretrimmed for Type K Thermocouples | 1Deg | +10 mV/°C | +4.5V to +5.5V | 300µA | -55 to +125 | Cerdip-14, SBDIP-14 | Analog | Thermocouple failure alarm |
$ | |
| AD594 | I.C.Thermocouple Amplifier w/ Cold Junction Compensation Pretrimmed for Type J Thermocouples | 1Deg | +10 mV/°C | +4.5V to +5.5V | 300µA | -55 to +125 | Cerdip-14, DIP-14, SBDIP-14 | Analog | J Thermocouple and CJC |
$ |
