Overview
The TMP75CIDR, produced by Texas Instruments, is an integrated digital temperature sensor designed for high accuracy and low power consumption. This device features a 12-bit analog-to-digital converter (ADC) and operates at a supply voltage range of 1.4 V to 3.6 V. It is pin and register compatible with the NCT75 and ADT75, making it a versatile option for various applications. The TMP75CIDR is available in SOIC-8 and VSSOP-8 packages and does not require any external components to sense temperature, making it a convenient solution for thermal management and protection in multiple sectors.
Key Specifications
Parameter | Value |
---|---|
Temperature Range | –55°C to +125°C |
Temperature Resolution | 0.0625°C |
Temperature Accuracy | ±0.25°C (typ) from 0°C to +70°C, ±0.5°C (typ) from –20°C to +85°C, ±1°C (typ) from –55°C to +125°C |
Supply Voltage | 1.4 V to 3.6 V |
Quiescent Current | 15 μA (typ) active, 0.3 μA (typ) shutdown |
Conversion Time | 27 ms (typical) |
Interface | SMBus and two-wire serial interface |
Bus Addresses | Up to 8 pin-programmable bus addresses |
Package | SOIC-8 and VSSOP-8 |
Key Features
- Digital output with two-wire serial interface
- Programmable temperature limits and ALERT pin for overtemperature alert
- Shutdown mode for battery power saving
- One-shot conversion mode
- Factory-calibrated temperature accuracy
- Noise-immune digital interface
- Supports SMBus and two-wire interface compatibility
- Up to eight devices on the same bus
Applications
- Server and computer thermal management
- Telecommunication equipment
- Office machines
- Video game consoles
- Set-top boxes
- Power supply and battery thermal protection
- Environmental monitoring and HVAC
- Electrical motor driver thermal protection
Q & A
- What is the temperature range of the TMP75CIDR?
The TMP75CIDR has a temperature range of –55°C to +125°C. - What is the resolution of the TMP75CIDR?
The resolution is 0.0625°C. - What is the typical temperature accuracy of the TMP75CIDR?
The typical temperature accuracy is ±0.25°C from 0°C to +70°C, ±0.5°C from –20°C to +85°C, and ±1°C from –55°C to +125°C. - What is the supply voltage range for the TMP75CIDR?
The supply voltage range is 1.4 V to 3.6 V. - What types of interfaces does the TMP75CIDR support?
The TMP75CIDR supports SMBus and two-wire serial interface. - How many devices can be on the same bus?
Up to eight devices can be on the same bus. - What is the purpose of the ALERT pin?
The ALERT pin is used for overtemperature alerts and can be configured for programmable temperature limits. - What are the available packages for the TMP75CIDR?
The TMP75CIDR is available in SOIC-8 and VSSOP-8 packages. - Does the TMP75CIDR require external components to sense temperature?
No, the TMP75CIDR does not require any external components to sense temperature. - What are some common applications of the TMP75CIDR?
Common applications include server and computer thermal management, telecommunication equipment, office machines, and environmental monitoring.