The AD7314 is a complete temperature monitoring system in an 8-lead MSOP package. It contains a band gap temperature sensor and 10-bit ADC to monitor and digitize the temperature reading to a resolution of 0.25∞C. The AD7314 has a flexible serial interface that allows easy interfacing to most microcontrollers.
The AD7314 is a low‑voltage, 10‑bit digital temperature sensor offered in an 8‑lead MSOP package. It integrates a band‑gap temperature sensor, a 10‑bit ADC, and serial interface logic, providing temperature readings with 0.25 °C resolution.
The document lists electrical specifications, pin descriptions, timing characteristics, and recommended circuit layouts. It also includes absolute maximum ratings, supply decoupling guidance, and typical temperature error graphs to aid designers in implementing the sensor in various applications such as PCs, office equipment, and domestic appliances.
| Supply Voltage | 2.65 V to 5.5 V |
|---|---|
| Resolution | 10 bits |
| Operating Temperature Range | –35 °C to +85 °C |
| Accuracy | ±2.0 °C |
| Update Rate | 400 ms |
| Supply Current (Normal, Inactive) | 250 mA–300 mA |
| Supply Current (Normal, Active) | 1 mA |
| Power Dissipation | 860 mW |
| Input High Voltage (2.65 V supply) | 1.85 V |
| Input Low Voltage (2.65 V supply) | 0.53 V |
| Output High Voltage | 2.4 V |
| Output Low Voltage | 0.4 V |
The AD7314 delivers a 10‑bit temperature reading with a resolution of 0.25 °C.
The device operates from 2.65 V up to 5.5 V.
It can operate from –35 °C to +85 °C.