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1216538

更新时间： 2022-05-26 09:28:24

品牌	Logo	应用领域
亚德诺 - ADI		传感器温度传感器
页数	文件大小	规格书
16页	760K
描述
Evaluating the ADT7320/ADT7420 Temperature Sensors

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1216538 数据手册

UG-138

Evaluation Board User Guide

Temperature Monitor

Temperature Value

This tab displays the temperature reading from the selected

device as well as the status of the alarms. This tab includes five

control options (see Figure 8):

This displays the actual ADC temperature in twos complement

and degrees Celsius respectively.

Set Temperature Limits

•

Temperature Threshold

Temperature Value

Set Temperature Limits

Log Data

This section allows you to update the high, low, critical, and

hysteresis limits. These ADC values are loaded into the device.

Because the conversion format is twos complement, any value

over 4095 is a negative number. To change the value, you can

use the arrow keys or type a number in the box to update the

limits. The graph labeled Temperature Conversion Measurement

displays the variation in time of the high and low temperature

limits as well as the current temperature in twos complement

format. At startup, the evaluation software initializes the tempera-

ture limits registers (T_HIGH, T_LOW, T_CRIT, and T_HYST) to the default

values shown in Figure 6.

Temperature Values

Temperature Threshold

If the temperature goes above or below the high and low limits

defined in the Set Temperature Limits section or above the

critical threshold, the Temperature High Limit Threshold,

Temperature Low Limit Threshold, and Temperature Critical

Threshold indicators appear green.

Figure 8. Temperature Monitor

Rev. A | Page 6 of 16

1...3 4 567 8 9...16

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