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TMP100-EP Folha de dados(PDF) 4 Page - Texas Instruments |
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TMP100-EP Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 22 page TMP100−EP, TMP101−EP DIGITAL TEMPERATURE SENSOR WITH I2C INTERFACE SGLS254A − JULY 2005 - REVISED APRIL 2010 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 APPLICATION INFORMATION The TMP100 and TMP101 are digital temperature sensors optimal for thermal management and thermal protection applications. The TMP100 and TMP101 are I2C and SMBus interface compatible and are specified over a temperature range of −55 °C to +125°C. The TMP100 and TMP101 require no external components for operation except for pullup resistors on SCL, SDA, and ALERT although a 0.1- μF bypass capacitor is recommended, as shown in Figure 1 and Figure 2. NOTE 2: SCL and SDA require pullup resistors for I2C bus applications. ADD1 (Input) 0.1 μF TMP100 ADD0 (Input) 3 5 6 SCL SDA To I2C Controller GND 2 4 V+ 1 Figure 1. Typical Connections of the TMP100 NOTE 3: SCL, SDA, and ALERT require pullup resistors for I2C bus applications. ALERT (Output) 0.1 μF TMP101 ADD0 (Input) 3 5 6 SCL SDA To I2C Controller GND 2 4 V+ 1 Figure 2. Typical Connections of the TMP101 The die flag of the lead frame is connected to pin 2. The sensing device of the TMP100 and TMP101 is the chip itself. Thermal paths run through the package leads as well as the plastic package. The lower thermal resistance of metal causes the leads to provide the primary thermal path. The GND pin of the TMP100 or TMP101 is directly connected to the metal lead frame and is the best choice for thermal input. To maintain the accuracy in applications requiring air or surface temperature measurement, care should be taken to isolate the package and leads from ambient air temperature. A thermally conductive adhesive assists in achieving accurate surface temperature measurement. |
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Descrição semelhante - TMP100-EP |
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