Overview
The TMP75AIDGKR is a digital temperature sensor produced by Texas Instruments. It is designed to replace negative temperature coefficient (NTC) and positive temperature coefficient (PTC) thermistors. The device offers high accuracy and linearity without the need for calibration or external component signal conditioning. It features an on-chip 12-bit analog-to-digital converter (ADC) that provides resolutions down to 0.0625 °C. The TMP75AIDGKR is available in an industry-standard 8-pin VSSOP (DGK) package and operates over a temperature range of −40 °C to +125 °C.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-Pin VSSOP (DGK) |
| Operating Temperature Range | −40 °C to +125 °C |
| Resolution | 9 to 12 Bits, User-Selectable |
| Accuracy | ±1 °C (Typical), ±2 °C (Maximum) from −40 °C to +125 °C |
| Supply Voltage | 2.7 V to 5.5 V |
| Quiescent Current | 50 µA (Active), 0.1 µA (Standby) |
| Interface Compatibility | SMBus, Two-Wire, and I2C |
| Addresses on Bus | Up to 8 devices |
| NIST Traceability | 100% tested against NIST traceable sensors |
Key Features
- Digital output with SMBus, two-wire, and I2C interface compatibility
- User-selectable resolution from 9 to 12 bits
- High accuracy: ±1 °C (typical) and ±2 °C (maximum) from −40 °C to +125 °C
- Low quiescent current: 50 µA (active) and 0.1 µA (standby)
- Wide supply range: 2.7 V to 5.5 V
- Small 8-pin VSSOP (DGK) package
- SMBus Alert function
- No calibration or external component signal conditioning required
Applications
- Power-supply temperature monitoring
- Computer peripheral thermal protection
- Notebook computers
- Cell phones
- Battery management
- Office machines
- Thermostat controls
- Environmental monitoring and HVAC
- Electro-mechanical device temperature monitoring
Q & A
- What is the operating temperature range of the TMP75AIDGKR?
The operating temperature range is −40 °C to +125 °C.
- What are the available resolutions for the TMP75AIDGKR?
The resolutions are user-selectable from 9 to 12 bits.
- What is the accuracy of the TMP75AIDGKR?
The accuracy is ±1 °C (typical) and ±2 °C (maximum) from −40 °C to +125 °C.
- What is the supply voltage range for the TMP75AIDGKR?
The supply voltage range is 2.7 V to 5.5 V.
- What interfaces does the TMP75AIDGKR support?
The device supports SMBus, two-wire, and I2C interfaces.
- How many devices can be connected on one bus?
Up to 8 devices can be connected on one bus.
- Is the TMP75AIDGKR NIST traceable?
Yes, the TMP75AIDGKR is 100% tested against NIST traceable sensors.
- What is the quiescent current of the TMP75AIDGKR?
The quiescent current is 50 µA (active) and 0.1 µA (standby).
- In what package is the TMP75AIDGKR available?
The device is available in an 8-pin VSSOP (DGK) package.
- Does the TMP75AIDGKR require calibration or external component signal conditioning?
No, it does not require calibration or external component signal conditioning.
