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TMP112 数据表(PDF) 9 Page - Texas Instruments |
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TMP112 数据表(HTML) 9 Page - Texas Instruments |
9 / 35 page Diode Temp. Sensor DS A/D Converter OSC Control Logic Serial Interface Config. andTemp. Register TMP112 Temperature SCL 1 3 6 4 ALERT SDA GND 2 5 V+ ADD0 TMP112 www.ti.com SBOS473E – MARCH 2009 – REVISED DECEMBER 2015 7 Detailed Description 7.1 Overview The TMP112 device is a digital temperature sensor that is optimal for thermal-management and thermal- protection applications. The TMP112 device is two-wire, SMBus, and I2C interface-compatible. The device is specified over an operating temperature range of –40°C to 125°C. Figure 8 shows a block diagram of the TMP112 device. Figure 9 shows the ESD protection circuitry contained in the TMP112 device. The temperature sensor in the TMP112 device is the chip itself. Thermal paths run through the package leads as well as the plastic package. The package leads provide the primary thermal path because of the lower thermal resistance of the metal. An alternative version of the TMP112 device is available. The TMP102 device has reduced accuracy, the same micro-package, and is pin-to-pin compatible. Table 1. Advantages of TMP112 Versus TMP102 Supply Supply Specified Compatible Supply Local Sensor Accuracy Device Package Voltage Voltage Resolution Calibration Interfaces Current (Max) (Min) (Max) Drift Slope SOT563 12 Bit 0.5°C: (0°C to 65°C) I2C TMP112 10 µA 1.4 V 3.6 V Yes 1.2 × 1.6 × 0.6 0.0625°C 1°C: (-40°C to 125°C) SMBus SOT563 12 Bit 2°C: (25°C to 85°C) I2C TMP102 10 µA 1.4 V 3.6 V No 1.2 × 1.6 × 0.6 0.0625°C 3°C: (-40°C to 125°C) SMBus 7.2 Functional Block Diagram Figure 8. Internal Block Diagram Copyright © 2009–2015, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: TMP112 |
类似零件编号 - TMP112_15 |
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类似说明 - TMP112_15 |
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