CSG14K_CSG8K datasheet(100/113 Pages) AMSCO

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CSG14K_CSG8K

Functional Description

Datasheet

• PUBLIC

DS000571

• v1-00 • 2020-Dec-15

112

│ 99

Uncalibrated Temperature Measurement

To perform an uncalibrated temperature measurement, with an accuracy of ±5°C, follow this

procedure:

Set TSENS_CONTROL to 1 (power-up temperature sensor)

Wait for 100 µs

Set TSENS_CONTROL to 31

Wait for 10 µs

Set TSENS_CONTROL to 27

Wait for 1 µs

Set TSENS_CONTROL to 11

Wait for 1 µs

Set TSENS_CONTROL to 9

10.

Wait for 1 µs

11.

Set TSENS_CONTROL to 33

12.

Wait for 200 µs

13.

Read TSENS_REF and TSENS_CONV

14.

Calculate the uncalibrated temperature with the equation

Equation 17:

�� [°��] =

425 × ��_��

��_��

− 273.15

15.

To start a new measurement, go back to step 3

16.

To power down the temperature sensor, set TSENS_CONTROL to 0

Information

The temperature measurement uses the internal clock. This means that the sensor must have

followed the flow chart in section 7.4.3 until at least the soft reset release step before a temperature

measurement can be started.

Calibrated Temperature Measurement

The accuracy of temperature measurements can be improved to ±1°C after performing a single-point

calibration.

During wafer test, temperature is measured in a controlled environment. Calibration data is written to

the OTP memory of the sensor.

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