Overview
The TMP01ES, produced by Analog Devices Inc., is a low power, programmable temperature controller and sensor. This device generates a voltage output proportional to absolute temperature and provides a control signal from one of two outputs when the device is either above or below a specific temperature range. The temperature trip points and hysteresis band are user-programmable using external resistors, making it highly versatile for various applications. The TMP01ES combines a band gap voltage reference with a pair of matched comparators, ensuring high accuracy and reliability in temperature sensing and control.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 5 | V |
| Quiescent Current (Max) | 500 | μA |
| Temperature Coefficient (VPTAT) | 5 | mV/K |
| VPTAT at 25°C (Nominal) | 1.49 | V |
| Temperature Accuracy (Typical) | ±1 | °C |
| Output Current Capability | 20 | mA |
| Package Options | 8-pin mini PDIP, SOIC, TO-99 |
Key Features
- Programmable temperature trip points and hysteresis using external resistors.
- Band gap voltage reference with a constant 2.5 V output and a voltage proportional to absolute temperature (VPTAT).
- High accuracy with ±1°C typical temperature accuracy over the rated temperature range.
- Low quiescent current of 500 μA (max) for low power consumption.
- Open-collector outputs capable of sinking 20 mA, suitable for driving control relays directly.
- Proprietary thin-film resistors and production laser trimming for excellent linearity and accuracy.
Applications
The TMP01ES is suitable for a variety of applications requiring precise temperature monitoring and control. These include:
- Industrial control systems
- Automotive systems
- Medical devices
- Consumer electronics requiring temperature monitoring
- Heating and cooling systems where precise temperature control is critical.
Q & A
- What is the primary function of the TMP01ES?
The primary function of the TMP01ES is to generate a voltage output proportional to absolute temperature and provide control signals based on user-programmed temperature trip points.
- How are the temperature trip points and hysteresis programmed in the TMP01ES?
The temperature trip points and hysteresis are programmed using external resistors connected to the device.
- What is the typical temperature accuracy of the TMP01ES?
The typical temperature accuracy of the TMP01ES is ±1°C over the rated temperature range.
- What is the maximum quiescent current of the TMP01ES?
The maximum quiescent current of the TMP01ES is 500 μA.
- What are the package options available for the TMP01ES?
The TMP01ES is available in 8-pin mini PDIP, SOIC, and TO-99 packages.
- Can the TMP01ES drive control relays directly?
- What is the voltage coefficient of the VPTAT output?
The voltage coefficient of the VPTAT output is 5 mV/K.
- How is the hysteresis programmed in the TMP01ES?
The hysteresis is programmed by setting a specific load on the reference voltage output VREF, which determines the hysteresis current.
- What is the nominal VPTAT voltage at 25°C?
The nominal VPTAT voltage at 25°C is 1.49 V.
- What ensures the high accuracy and linearity of the TMP01ES?
The high accuracy and linearity are ensured by proprietary thin-film resistors and production laser trimming.
