ADT7310 데이터 시트보기 (PDF) - Analog Devices

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ADT7310

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

Analog Devices 

ADT7310

CS

Data Sheet

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

When one-shot mode is enabled, the ADT7310 immediately

completes a conversion and then goes into shutdown mode. The

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

to reduce power consumption.

To enable one-shot mode, set Bits[6:5] of the configuration

register (Register Address 0x01) to 01.

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

(Register Address 0x01).

After writing to the operation mode bits, wait at least 240 ms

before reading back the temperature from the temperature value

register. This delay ensures that the ADT7310 has adequate time

to power up and complete a conversion.

To obtain an updated temperature conversion, reset Bits[6:5] of the

configuration register (Register Address 0x01) to 01.

Rev. A | Page 10 of 24

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