Overview
The ADT75BRMZ is a highly accurate, 12-bit digital temperature sensor produced by Analog Devices Inc. This component is designed to provide precise temperature measurements and is packaged in an 8-lead MSOP or SOIC configuration. It features a band gap temperature sensor and a first-order Σ-Δ modulator, ensuring high accuracy and linearity over its entire rated temperature range without the need for user calibration or correction.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Supply Voltage | 2.7 to 5.5 | V | |
| Operating Temperature Range | -55 to 125 | °C | |
| Resolution | 12 bits | ||
| Accuracy (A Grade) | ±2°C | -25°C to +100°C | |
| Accuracy (B Grade) | ±1°C | 0°C to +70°C | |
| Interface | I2C/SMBus | ||
| Package Type | 8-MSOP, 8-SOIC | ||
| Supply Current | 525 µA | ||
| RoHS Compliance | Yes |
Key Features
- High accuracy: ±1°C from 0°C to +70°C for B Grade and ±2°C from -25°C to +100°C for A Grade.
- 12-bit digital output via I2C/SMBus interface.
- Operating temperature range: -55°C to +125°C.
- Supply voltage range: 2.7 V to 5.5 V.
- Programmable limit and hysteresis settings.
- One-shot mode and shutdown mode capabilities.
- Open-drain output for over- and under-temperature alerts.
Applications
- Portable battery-powered instruments.
- Personal computers and servers.
- Smart battery chargers.
- Telecommunications systems.
- Domestic appliances.
- Process control systems.
Q & A
- What is the accuracy of the ADT75BRMZ temperature sensor? The ADT75BRMZ has an accuracy of ±1°C from 0°C to +70°C for B Grade and ±2°C from -25°C to +100°C for A Grade.
- What is the operating temperature range of the ADT75BRMZ? The operating temperature range is -55°C to +125°C.
- What interface does the ADT75BRMZ use for communication? The ADT75BRMZ uses the I2C/SMBus interface for communication.
- What is the supply voltage range for the ADT75BRMZ? The supply voltage range is 2.7 V to 5.5 V.
- Does the ADT75BRMZ support programmable temperature limits? Yes, the ADT75BRMZ supports programmable limit and hysteresis settings.
- What are the package options for the ADT75BRMZ? The ADT75BRMZ is available in 8-MSOP and 8-SOIC packages.
- Is the ADT75BRMZ RoHS compliant? Yes, the ADT75BRMZ is RoHS compliant.
- What is the resolution of the temperature measurement? The resolution is 12 bits, corresponding to 0.0625°C per LSB.
- Can the ADT75BRMZ be used in one-shot mode? Yes, the ADT75BRMZ supports one-shot mode and shutdown mode capabilities.
- How does the ADT75BRMZ indicate over- and under-temperature conditions? The ADT75BRMZ uses an open-drain output for over- and under-temperature alerts.
