ZHCSCV4C October 2014 – April 2021 TMP451-Q1
PRODUCTION DATA
| PARAMETER | CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| TEMPERATURE ERROR | |||||||
| TELOCAL | Local temperature sensor | TA = 0°C to 70°C | ±0.25 | ±1 | °C | ||
| TA = –40°C to 125°C | ±1 | ±2 | °C | ||||
| TEREMOTE | Remote temperature sensor(1) | TA = 0°C to 70°C, TD = –55°C to 150°C | ±0.25 | ±1 | °C | ||
| TA = –40°C to 100°C, TD = –55°C to 150°C | ±1 | ±2 | °C | ||||
| TA = –40°C to 125°C, TD = –55°C to 150°C | ±2 | ±4 | °C | ||||
| Remote temperature sensor versus supply (local or remote) | V+ = 1.7 V to 3.6 V | ±0.1 | ±0.25 | °C/V | |||
| TEMPERATURE MEASUREMENT | |||||||
| Conversion time | One-Shot mode, local and remote total | 31 | 34 | ms | |||
| Local temperature sensor resolution | 12 | Bits | |||||
| Remote temperature sensor resolution | 12 | Bits | |||||
| Remote sensor source current, high | Series resistance 1 k? max | 120 | μA | ||||
| Remote sensor source current, medium | 45 | μA | |||||
| Remote sensor source current, low | 7.5 | μA | |||||
| η | Remote transistor ideality factor | TMP451-Q1 optimized ideality factor | 1.008 | ||||
| SMBus INTERFACE | |||||||
| VIH | High-level input voltage | 1.4 | V | ||||
| VIL | Low-level input voltage | 0.45 | V | ||||
| Hysteresis | 200 | mV | |||||
| SMBus output low sink current | 6 | mA | |||||
| VOL | Low-level output voltage | IO = 6 mA | 0.15 | 0.4 | V | ||
| Logic input current | 0 V ≤ VI ≤ 3.6 V | –1 | 1 | μA | |||
| SMBus input capacitance | 3 | pF | |||||
| SMBus clock frequency | 0.01 | 2.5 | MHz | ||||
| SMBus timeout | 20 | 25 | 30 | ms | |||
| SCL falling edge to SDA valid time | 1 | μs | |||||
| DIGITAL OUTPUTS (THERM, ALERT/ THERM2) | |||||||
| VOL | Low-level output voltage | IO = 6 mA | 0.15 | 0.4 | V | ||
| IOH | High-level output leakage current | VO = V+ | 1 | μA | |||
| POWER SUPPLY | |||||||
| V(V+) | Specified voltage range | 1.7 | 3.6 | V | |||
| IQ | Quiescent current | 0.0625 conversions per second | 27 | 40 | μA | ||
| 16 conversions per second | 165 | 250 | μA | ||||
| 32 conversions per second | 300 | 450 | μA | ||||
| Serial bus inactive, shutdown mode | 3 | 8 | μA | ||||
| Serial bus active, ?S = 400 kHz, shutdown mode | 90 | μA | |||||
| Serial bus active, ?S = 2.5 MHz, shutdown mode | 350 | μA | |||||
| POR | Power-on reset threshold | 1.2 | 1.55 | V | |||