Rainbow-electronics LM95221 Manual de usuario descargar pdf (Pagina 2)

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

6 Positive Supply Voltage

Input

DC Voltage from 3.0 V to 3.6 V. V

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.

LM95221

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