The TMP400 is a remote and local temperature sensor monitor with a built-in local temperature sensor, ±1°C remote diode sensor, ±1°C local temperature sensor, programmable non-ideality factor, programmable series resistance cancellation, alert function, programmable resolution: 9 to 12 bits, programmable threshold limits, two-wire/SMBus™ serial interface
The TMP400 integrates a local die temperature sensor and a remote junction temperature sensor in a QSSOP‑16 package. It communicates via a two‑wire SMBus/ I²C compatible interface and offers programmable resolution, series‑resistance cancellation, and alert thresholds.
Key features include +1 °C remote accuracy, programmable non‑ideality factor, programmable series‑resistance cancellation, and a wide operating temperature range. The device is intended for use in projectors, servers, industrial controllers, telecom equipment, computers, SANs, medical equipment, and processor/FPGA temperature monitoring.
| Package | QSSOP‑16 |
|---|---|
| Operating Temperature Range | -55 °C to +127 °C |
| Remote Temperature Sensor Resolution | 12 bits |
| Local Temperature Sensor Resolution (programmable) | 9 to 12 bits |
| Interface | Two‑Wire/SMBus |
It can operate from –55 °C up to +127 °C.
The remote sensor provides 12‑bit resolution.