ADT7310(2009) Ver la hoja de datos (PDF) - Analog Devices

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ADT7310
(Rev.:2009)

±0.5°C Accurate, 16-Bit Digital SPI Temperature Sensor

Analog Devices 

ADT7310

CS

DIN

DOUT

0x08

0x20

WAIT 240ms MINIMUM

FOR CONVERSION TO FINISH

DATA

SCLK

Figure 14. Typical SPI One-Shot Write to Configuration Register Followed by a Read from the Temperature Value Register

ONE-SHOT MODE

Setting Bit 5 to 1 and Bit 6 to 0 of the configuration register

(Register Address 0x01) enables the one-shot mode. When

this mode is enabled, the ADT7310 immediately completes a

conversion and then goes into shutdown mode.

Wait for a minimum of 240 ms after writing to the one-shot

bits before reading back the temperature from the temperature

value register. This time ensures that the ADT7310 has time to

power up and complete a conversion.

1 SPS MODE

In this mode, the part performs one measurement per second.

A conversion takes only 60 ms, and it remains in the idle state

for the remaining 940 ms period. This mode is enabled by

writing 0 to Bit 5 and 1 to Bit 6 of the configuration register

(Register Address 0x01).

The one-shot mode is useful when one of the circuit design

priorities is to reduce power consumption.

Rev. 0 | Page 10 of 24

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