The TMP421-Q1, TMP422-Q1, and TMP423-Q1 devices are single, dual, and triple remote, automotive-qualified temperature sensor monitors with a built-in local temperature sensor. The remote temperature sensor diode-connected transistors are typically low-cost, NPN- or PNP-type transistors or diodes that are an integral part of microcontrollers, microprocessors, or field-programmable gate arrays (FPGAs). Remote accuracy is ±1°C for multiple device manufacturers, with no calibration needed. The two-wire serial interface accepts SMBus write byte, read byte, send byte, and receive byte commands to configure the device. The TMP421-Q1, TMP422-Q1, and TMP423-Q1 include series resistance cancellation, programmable non-ideality factor, wide remote temperature measurement range (up to +150°C), and diode fault detection. The TMP421-Q1, TMP422-Q1, and TMP423-Q1 are all available in an 8-pin SOT-23 package.
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Полный отчётТехнические параметры
| Питание | |
|---|---|
| Remote channels (#) | 1 |
| Supply current (max) (µA) | 38 |
| Характеристики по постоянному и переменному току | |
| Local sensor accuracy (max) | 1.5 |
| Условия эксплуатации и корпус | |
| Operating temperature range (°C) | -40 to 125 |
| Temp resolution (max) (bps) | 12 |
| Другое | |
| Addresses | 9 |
| Features | One-shot conversion |
| Interface type | I2C, SMBus |
| Rating | Automotive |
| Type | Remote |