Overview
The LM57BISD-10/NOPB is a precision temperature switch and analog temperature sensor produced by Texas Instruments. This device is designed for wide temperature industrial applications, offering a dual-output configuration with both analog and digital outputs. The LM57BISD-10/NOPB features a programmable trip temperature set by external resistors, making it highly versatile for various thermal monitoring and protection needs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | WSON-8 |
| Operating Temperature Range | -50°C to 150°C |
| Supply Voltage | 2.4 V to 5.5 V |
| Supply Current | 24 µA (typical) |
| Accuracy | ±1.7°C or ±2.3°C from -40°C to +150°C |
| Output Type | Open Drain, Push-Pull |
| Output Current | 5 mA (max) |
| Interface Type | Analog output, Switch |
| Setpoint Type | Resistor Programmable |
| Setpoint Value | -40°C to 150°C |
| Sensor Gain | -5.166 mV/°C to -12.924 mV/°C |
| Moisture Sensitive | Yes |
| Qualification | AEC-Q100 |
Key Features
- Programmable trip temperature set by external resistors with accuracy of ±1.7°C or ±2.3°C from -40°C to +150°C.
- Resistor tolerance contributes zero error.
- Push-Pull and Open-Drain switch outputs.
- Very linear analog temperature sensor output with ±0.8°C or ±1.3°C accuracy from -40°C to +150°C.
- Short-circuit protected analog and digital outputs.
- Latching function for digital outputs.
- TRIP-TEST pin allows in-system testing.
- Low power minimizes self-heating to under 0.02°C.
- Built-in thermal hysteresis prevents digital outputs from oscillating.
Applications
The LM57BISD-10/NOPB is suitable for a wide range of industrial applications requiring precise temperature monitoring and protection. These include:
- Industrial control systems.
- Automotive systems (qualified to AEC-Q100).
- Medical devices.
- Telecommunications equipment.
- Server and data storage systems.
Q & A
- What is the operating temperature range of the LM57BISD-10/NOPB?
The operating temperature range is -50°C to 150°C. - What is the supply voltage range for this device?
The supply voltage range is 2.4 V to 5.5 V. - How is the trip temperature set for the LM57BISD-10/NOPB?
The trip temperature is set by external resistors. - What types of outputs does the LM57BISD-10/NOPB have?
The device has both analog and digital outputs, including open-drain and push-pull configurations. - Is the LM57BISD-10/NOPB qualified for automotive use?
Yes, it is qualified to AEC-Q100. - What is the purpose of the TRIP-TEST pin?
The TRIP-TEST pin allows for in-system testing of the device. - How does the device protect against oscillation in digital outputs?
The device includes built-in thermal hysteresis to prevent oscillation. - What is the typical supply current of the LM57BISD-10/NOPB?
The typical supply current is 24 µA. - Is the LM57BISD-10/NOPB moisture sensitive?
Yes, it is moisture sensitive. - What is the maximum output current of the LM57BISD-10/NOPB?
The maximum output current is 5 mA.
