Overview
The TMP75BIDGKT, produced by Texas Instruments, is an integrated digital temperature sensor designed to operate at low voltages. It is a low-voltage alternative to the industry-standard LM75 and TMP75 temperature sensors. This device features a 12-bit analog-to-digital converter (ADC) and is compatible with both SMBus and two-wire serial interfaces. The TMP75BIDGKT is available in SOIC-8 and VSSOP-8 packages, making it versatile for various applications requiring precise temperature monitoring.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Temperature Range | –55°C to +125°C |
| Operating Supply Range | 1.4 V to 3.6 V |
| Quiescent Current | 45 µA Active (typ), 0.3 µA Shutdown (typ) |
| Temperature Accuracy | ±0.5°C (typ) from –20°C to +85°C, ±1°C (typ) from –55°C to +125°C |
| Resolution | 12 Bits (0.0625°C) |
| Packages | SOIC-8 and VSSOP-8 |
| Interface Compatibility | SMBus and two-wire serial interface |
| Bus Addresses | Up to 8 pin-programmable bus addresses |
| ALERT Pin Function | Overtemperature ALERT Pin with programmable trip values |
Key Features
- Digital output with standard two-wire serial interface
- Low power consumption with shutdown mode for battery power saving
- One-shot conversion mode for custom update rates
- Programmable temperature limits and ALERT pin for overtemperature alerts
- Pin and register compatibility with LM75 and TMP75
- No external components required for temperature sensing
- Factory-calibrated temperature accuracy and noise-immune digital interface
Applications
- Thermal management and protection in consumer electronics
- Computer peripherals and notebook computers
- Cell phones and battery management systems
- Office machines and environmental monitoring
- HVAC and thermostat controls
- Industrial and communication equipment
Q & A
- What is the operating temperature range of the TMP75BIDGKT?
The operating temperature range is –55°C to +125°C.
- What are the available package types for the TMP75BIDGKT?
The device is available in SOIC-8 and VSSOP-8 packages.
- What is the resolution of the temperature readings provided by the TMP75BIDGKT?
The resolution is 12 bits, which translates to 0.0625°C.
- Does the TMP75BIDGKT require external components for temperature sensing?
No, it does not require any external components for temperature sensing.
- What is the purpose of the ALERT pin on the TMP75BIDGKT?
The ALERT pin is used for overtemperature alerts with programmable trip values.
- How many devices can be connected on the same bus using the TMP75BIDGKT?
Up to eight devices can be connected on the same bus.
- What are the typical quiescent current values for the TMP75BIDGKT?
The typical quiescent current values are 45 µA in active mode and 0.3 µA in shutdown mode.
- Is the TMP75BIDGKT compatible with SMBus and two-wire interfaces?
- What is the significance of the one-shot conversion mode in the TMP75BIDGKT?
The one-shot conversion mode allows for custom update rates, providing flexibility in temperature monitoring.
- What types of applications is the TMP75BIDGKT ideal for?
