Overview
The TMP75AIDRG4, produced by Texas Instruments, is a digital temperature sensor designed for high accuracy and versatility. This device is part of the TMPx75 series, which includes the TMP75 and TMP175 models. The TMP75AIDRG4 is particularly notable for its compatibility with the industry-standard LM75 form factor and pinout, making it a seamless replacement or addition to various applications. It features a digital output via SMBus, two-wire, and I2C interfaces, ensuring broad compatibility with different system architectures.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Temperature Range | -40 | - | 125 | °C |
| Temperature Accuracy (Typical) | - | ±1 | ±2 | °C (from -40°C to 125°C) |
| Resolution | 9 bits | - | 12 bits | - |
| Supply Voltage | 2.7 | - | 5.5 | V |
| Average Current Consumption (Serial bus inactive) | 50 | - | 85 | μA |
| Shutdown Current (Serial bus inactive) | 0.1 | - | 3 | μA |
| Package Type | - | - | 8-Pin SOIC, 8-Pin MSOP | - |
Key Features
- Digital output via SMBus, two-wire, and I2C interfaces for broad compatibility.
- User-selectable resolution from 9 to 12 bits, offering a resolution down to 0.0625 °C.
- High accuracy with typical temperature accuracy of ±1 °C from -40 °C to 125 °C.
- Low quiescent current of 50 μA and standby current of 0.1 μA.
- Wide supply range of 2.7 V to 5.5 V.
- Small 8-pin MSOP and SOIC packages.
- SMBus Alert function for temperature monitoring.
- Up to 8 devices can be connected on one bus for the TMP75 model.
Applications
- Power-supply temperature monitoring.
- Computer peripheral thermal protection.
- Notebook computers and cell phones.
- Battery management systems.
- Office machines and thermostat controls.
- Environmental monitoring and HVAC systems.
- Electro-mechanical device temperature monitoring.
Q & A
- What is the temperature range of the TMP75AIDRG4?
The temperature range of the TMP75AIDRG4 is from -40 °C to 125 °C.
- What are the available resolutions for the TMP75AIDRG4?
The resolutions are user-selectable from 9 to 12 bits.
- What is the typical accuracy of the TMP75AIDRG4?
The typical accuracy is ±1 °C from -40 °C to 125 °C.
- What is the supply voltage range for the TMP75AIDRG4?
The supply voltage range is from 2.7 V to 5.5 V.
- What are the package types available for the TMP75AIDRG4?
The device is available in 8-pin SOIC and 8-pin MSOP packages.
- How many devices can be connected on one bus for the TMP75 model?
Up to 8 devices can be connected on one bus for the TMP75 model.
- What is the average current consumption of the TMP75AIDRG4 in standby mode?
The average current consumption in standby mode is 0.1 μA.
- Does the TMP75AIDRG4 support SMBus Alert function?
Yes, the TMP75AIDRG4 supports the SMBus Alert function for temperature monitoring.
- What are some common applications of the TMP75AIDRG4?
Common applications include power-supply temperature monitoring, computer peripheral thermal protection, and environmental monitoring.
- Is the TMP75AIDRG4 compatible with I2C and two-wire interfaces?
Yes, the TMP75AIDRG4 is compatible with SMBus, two-wire, and I2C interfaces.
