ZHCSKD0I September 2009 – October 2019 TMP431 , TMP432
PRODUCTION DATA.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| TEMPERATURE ERROR | |||||||
| TELOCAL | Local temperature sensor | TA = –40°C to 125°C | ±1.25 | ±2.5 | °C | ||
| TA = 0°C to 100°C, V+ = 3.3 V | ±0.25 | ±1 | |||||
| TEREMOTE | Remote temperature sensor (1) | TA = 0°C to 100°C, TDIODE = –40°C to 150°C, V+ = 3.3 V | ±0.25 | ±1 | °C | ||
| TA = –40°C to 100°C, TDIODE = –40°C to 150°C, V+ = 3.3 V | ±0.5 | ±1.5 | |||||
| TA = –40°C to 125°C, TDIODE = –40°C to 150°C | ±3 | ±5 | |||||
| vs supply (local, remote) | V+ = 2.7 V to 5.5 V | ±0.2 | ±0.5 | °C/V | |||
| TEMPERATURE MEASUREMENT CONVERSION TIME (PER CHANNEL) | |||||||
| Local channel | 12 | 15 | 17 | ms | |||
| Remote channel,
beta correction enabled(2) |
RC = 1 | 97 | 126 | 137 | ms | ||
| RC = 0 | 36 | 47 | 52 | ||||
| Remote channel,
beta correction disabled(3) |
RC = 1 | 72 | 93 | 100 | ms | ||
| RC = 0 | 33 | 44 | 47 | ||||
| TEMPERATURE MEASUREMENT RESOLUTION | |||||||
| Local channel | 12 | Bits | |||||
| Remote channel | 12 | Bits | |||||
| TEMPERATURE MEASUREMENT REMOTE SENSOR SOURCE CURRENTS | |||||||
| High | Series resistance (beta correction)(4) | 120 | μA | ||||
| Medium-high | 60 | μA | |||||
| Medium-low | 12 | μA | |||||
| Low | 6 | μA | |||||
| η | Remote transistor ideality factor | TMP43x optimized ideality factor | 1.000(2) | ||||
| 1.008(3) | |||||||
| β | Beta correction range | 0.1 | 27 | ||||
| SMBus INTERFACE | |||||||
| VIH | Logic input high voltage
(SCL, SDA) |
2.1 | V | ||||
| VIL | Logic input low voltage (SCL, SDA) | 0.8 | V | ||||
| Hysteresis | 500 | mV | |||||
| SMBus output low sink current | 6 | mA | |||||
| VOL | SDA output low voltage | IOUT = 6 mA | 0.15 | 0.4 | V | ||
| Logic input current | 0 ≤ VIN ≤ 6 V | –1 | 1 | μA | |||
| SMBus input capacitance
(SCL, SDA) |
3 | pF | |||||
| SMBus clock frequency | 3.4 | MHz | |||||
| SMBus timeout | 25 | 32 | 35 | ms | |||
| SCL falling edge to SDA valid time | 1 | μs | |||||
| DIGITAL OUTPUTS | |||||||
| VOL | Output low voltage | IOUT = 6 mA | 0.15 | 0.4 | V | ||
| IOH | High-level output leakage current | VOUT = V+ | 0.1 | 1 | μA | ||
| ALERT/THERM2 output low
sink current |
ALERT/THERM2 forced to 0.4 V | 6 | mA | ||||
| THERM output low sink current | THERM2 forced to 0.4 V | 6 | mA | ||||
| POWER SUPPLY | |||||||
| V+ | Specified voltage range | 2.7 | 5.5 | V | |||
| IQ | Quiescent current | 0.0625 conversions per second, V+ = 3.3 V | 35 | 45 | μA | ||
| Eight conversions per second, V+ = 3.3 V (5) | 0.7 | 1 | mA | ||||
| Serial bus inactive, shutdown mode | 3 | 10 | μA | ||||
| Serial bus active, fS = 400 kHz, shutdown mode | 90 | ||||||
| Serial bus active, fS = 3.4 MHz, shutdown mode | 350 | ||||||
| UVLO | Undervoltage lockout | 2.3 | 2.4 | 2.6 | V | ||
| POR | Power-on reset threshold | 1.6 | 2.3 | V | |||
| Specified temperature range | –40 | 125 | °C | ||||
| Storage temperature range | –60 | 130 | °C | ||||