SLOS887E September 2014 – December 2018 TMP112-Q1
The default mode of the TMP112-Q1 device is continuos conversion mode. During continuous-conversion mode, the ADC performs continuos temperature conversions and stores each results to the temperature register, overwriting the result from the previous conversion. The conversion rate bits, CR1 and CR0, configure the TMP112-Q1 device for conversion rates of 0.25 Hz, 1 Hz, 4 Hz, or 8 Hz. The default rate is 4 Hz. The TMP112-Q1 device has a typical conversion time of 26 ms. To achieve different conversion rates, the TMP112-Q1 device makes a conversion and then powers down and waits for the appropriate delay set by CR1 and CR0. Table 5 lists the settings for CR1 and CR0.
|1||0||4 Hz (default)|
After a power up or general-call reset, the TMP112-Q1 device immediately begins a conversion as shown in Figure 14. The first result is available after 26 ms (typical). The active quiescent current during conversion is 40 μA (typical at 27°C). The quiescent current during delay is 2.2 μA (typical at 27°C).
NOINDENT:The delay is set by CR1 and CR0 bits in the configuration register.