Datasheet AD7814 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Temperature Sensor: 10-Bit Digital in 6-Lead SOT-23 |
| 页数 / 页 | 2 / 2 — AD7814. Silicon Anomaly. ANOMALIES. 1. High Current State and/or … |
| 文件格式/大小 | PDF / 65 Kb |
| 文件语言 | 英语 |
AD7814. Silicon Anomaly. ANOMALIES. 1. High Current State and/or Incorrect Temperature from Power Cycling [er001] Background:
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AD7814 Silicon Anomaly ANOMALIES 1. High Current State and/or Incorrect Temperature from Power Cycling [er001] Background:
False temperature data is sometimes recorded by the AD7814 temperature sensor.
Issue:
Power cycling the AD7814 may put the part into a high current state and/or return an incorrect temperature value.
Workarounds:
To return the part back to normal operation, the SCLK pin must be clocked 16 times. Alternatively, perform a dummy temperature read. Either of these actions restores the part to normal operation.
Related Issues:
None.
AD7814 SILICON ANOMALIES Anomaly No. Description Status
er001 High current state and/or incorrect temperature from power cycling Refer to the workaround described in the Anomalies section.
©2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. S01041-0-6/09(0)
Rev. 0 | Page 2 of 2 Document Outline AD7814 Silicon Revision History Anomalies AD7814 Silicon AnomalIEs
AD7814 Silicon Anomaly ANOMALIES 1. High Current State and/or Incorrect Temperature from Power Cycling [er001] Background:
False temperature data is sometimes recorded by the AD7814 temperature sensor.
Issue:
Power cycling the AD7814 may put the part into a high current state and/or return an incorrect temperature value.
Workarounds:
To return the part back to normal operation, the SCLK pin must be clocked 16 times. Alternatively, perform a dummy temperature read. Either of these actions restores the part to normal operation.
Related Issues:
None.
AD7814 SILICON ANOMALIES Anomaly No. Description Status
er001 High current state and/or incorrect temperature from power cycling Refer to the workaround described in the Anomalies section.
©2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. S01041-0-6/09(0)
Rev. 0 | Page 2 of 2 Document Outline AD7814 Silicon Revision History Anomalies AD7814 Silicon AnomalIEs