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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM95221 датащи(PDF) 2 Page - National Semiconductor (TI) |
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LM95221 датащи(HTML) 2 Page - National Semiconductor (TI) |
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2 / 16 page  Connection Diagram MSOP-8 20094302 TOP VIEW Ordering Information Part Number Package Marking NS Package Number Transport Media SMBus Device Address LM95221CIMM LM95221CIMM MUA08A (MSOP-8) 1000 Units on Tape and Reel 010 1011 LM95221CIMMX LM95221CIMM MUA08A (MSOP-8) 3500 Units on Tape and Reel 010 1011 Pin Descriptions Label Pin # Function Typical Connection D1+ 1 Diode Current Source To Diode Anode. Connected to remote discrete diode-connected transistor junction or to the diode-connected transistor junction on a remote IC whose die temperature is being sensed. A 2.2 nF diode bypass capacitor is recommended to filter high frequency noise. Place the 2.2 nF capacitor between and as close as possible to the LM95221’s D+ and D− pins. Make sure the traces to the 2.2 nF capacitor are matched. Ground this pin if this thermal diode is not used. D1− 2 Diode Return Current Sink To Diode Cathode. A 2.2 nF capacitor is recommended between D1+ and D1-. Ground this pin if this thermal diode is not used. D2+ 3 Diode Current Source To Diode Anode. Connected to remote discrete diode-connected transistor junction or to the diode-connected transistor junction on a remote IC whose die temperature is being sensed. A 2.2 nF diode bypass capacitor is recommended to filter high frequency noise. Place the 2.2 nF capacitor between and as close as possible to the LM95221’s D+ and D− pins. Make sure the traces to the 2.2 nF capacitor are matched. Ground this pin if this thermal diode is not used. D2− 4 Diode Return Current Sink To Diode Cathode. A 2.2 nF capacitor is recommended between D2+ and D2-. Ground this pin if this thermal diode is not used. GND 5 Power Supply Ground Ground V DD 6 Positive Supply Voltage Input DC Voltage from 3.0 V to 3.6 V. V DD should be bypassed with a 0.1 µF capacitor in parallel with 100 pF. The 100 pF capacitor should be placed as close as possible to the power supply pin. Noise should be kept below 200 mVp-p, a 10 µF capacitor may be required to achieve this. www.national.com 2 |
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