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TMP421AIDCNT Datasheet(PDF) 9 Page - Texas Instruments |
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TMP421AIDCNT Datasheet(HTML) 9 Page - Texas Instruments |
9 / 30 page www.ti.com TMP422 DX1 (4) DX2 (4) 5 2 1 R S (2) R S (2) C DIFF (3) C DIFF (3) R S (2) R S (2) GND Diode-connectedconfiguration : (1) SeriesResistance Transistor-connectedconfiguration : (1) DX3 (4) DX4 (4) 4 3 R S (2) R S (2) C DIFF (3) 0.1 F m 10kW (typ) 10kW (typ) V+ 8 7 6 SCL SDA +5V SMBus Controller DXP1 DXN1 DXP2 DXN2 +5V TMP423 DXP1 DXP2 DXP3 DXP DXN DXN SCL GND SDA V+ 2 3 4 7 1 6 8 R S (2) R S (2) R S (2) R S (2) R S (2) R S (2) C DIFF (3) C DIFF (3) C DIFF (3) Transistor-connectedconfiguration : (1) C DIFF (3) R S (2) R S (2) Diode-connectedconfiguration : (1) 5 0.1 F m 10kW (typ) 10kW (typ) SMBus Controller SeriesResistance TMP421 TMP422 TMP423 SBOS398B – JULY 2007 – REVISED MARCH 2008 (1) Diode-connected configuration provides better settling time. Transistor-connected configuration provides better series resistance cancellation. (2) RS (optional) should be < 1.5kΩ in most applications. Selection of RS depends on application; see the Filtering section. (3) CDIFF (optional) should be < 1000pF in most applications. Selection of CDIFF depends on application; see the Filtering section and Figure 6, Remote Temperature Error vs Differential Capacitance. (4) TMP422 SMBus slave address is 1001 100 when connected as shown. Figure 12. TMP422 Basic Connections (1) Diode-connected configuration provides better settling time. Transistor-connected configuration provides better series resistance cancellation. (2) RS (optional) should be < 1.5kΩ in most applications. Selection of RS depends on application; see the Filtering section. (3) CDIFF (optional) should be < 1000pF in most applications. Selection of CDIFF depends on application; see the Filtering section and Figure 6, Remote Temperature Error vs Differential Capacitance. Figure 13. TMP423 Basic Connections Copyright © 2007–2008, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): TMP421 TMP422 TMP423 |
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