Overview
The LM75BDP,118 from NXP USA Inc. is a digital temperature sensor and thermal watchdog integrated circuit. It utilizes an on-chip band gap temperature sensor and Sigma-Delta A-to-D conversion technique to provide high accuracy temperature measurements. The device is designed for various applications requiring precise temperature monitoring and control, including system thermal management, personal computers, electronics equipment, and industrial controllers. It operates over a wide temperature range of -55°C to +125°C and features an I²C interface for communication with microcontrollers and processors.
Key Specifications
| Parameter | Specification |
|---|---|
| Temperature Range | -55°C to +125°C |
| Temperature Accuracy | ±2°C from -25°C to +100°C, ±3°C from -55°C to +125°C |
| Resolution | 11-bit, 0.125°C resolution |
| Interface | I²C (2-wire serial bus) |
| Operating Voltage | 2.8 V to 5.5 V |
| Supply Current (Shutdown Mode) | 1.0 μA |
| Package Types | SO8, TSSOP8, XSON8U, HWSON8 |
| ESD Protection | 4500 V HBM, 1000 V CDM |
Key Features
- High accuracy temperature measurements with ±2°C accuracy from -25°C to +100°C and ±3°C from -55°C to +125°C.
- Programmable temperature threshold and hysteresis set points for overtemperature detection and shutdown.
- Low power consumption with 1.0 μA supply current in shutdown mode.
- Stand-alone operation as a thermostat at power-up.
- ESD protection exceeding 4500 V HBM and 1000 V CDM.
- Small package sizes including SO8, TSSOP8, XSON8U, and HWSON8.
- Flexible configuration options including OS comparator mode or OS interrupt mode, and programmable fault queue).
Applications
- System thermal management: Monitoring and controlling temperatures in various systems to ensure optimal performance.
- Personal computers: Temperature monitoring to prevent overheating and ensure reliable operation).
- Electronics equipment: Real-time temperature monitoring to maintain device stability and performance).
- Industrial automation: Monitoring temperature changes on production lines to ensure process stability and product quality).
- Automotive industry: Measuring engine temperature, air conditioning temperature, and other critical temperatures).
- Medical equipment: Precise measurement of body temperature and other physiological parameters).
- Heavy industry: Measuring surface temperatures of various objects such as steel casting, furnace temperature, and machine parts).
Q & A
- What is the temperature range of the LM75BDP,118? The LM75BDP,118 operates over a temperature range of -55°C to +125°C.
- What is the temperature accuracy of the LM75BDP,118? The temperature accuracy is ±2°C from -25°C to +100°C and ±3°C from -55°C to +125°C.
- What interface does the LM75BDP,118 use for communication? The LM75BDP,118 uses an I²C (2-wire serial bus) interface for communication with microcontrollers and processors.
- What are the available package types for the LM75BDP,118? The available package types include SO8, TSSOP8, XSON8U, and HWSON8).
- What is the supply current in shutdown mode? The supply current in shutdown mode is 1.0 μA).
- Does the LM75BDP,118 have ESD protection? Yes, it has ESD protection exceeding 4500 V HBM and 1000 V CDM).
- Can the LM75BDP,118 be configured for different operation modes? Yes, it can be configured for different operation modes, including normal mode and shutdown mode, and it supports OS comparator mode or OS interrupt mode).
- What are some common applications of the LM75BDP,118? Common applications include system thermal management, personal computers, electronics equipment, industrial automation, automotive industry, medical equipment, and heavy industry).
- Is the LM75BDP,118 RoHS compliant? Yes, the LM75BDP,118 is Lead Free / RoHS Compliant).
- What is the resolution of the temperature measurements provided by the LM75BDP,118? The resolution is 11-bit, providing a temperature resolution of 0.125°C).
