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SI7034 データシート(PDF) 4 Page - Silicon Laboratories |
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SI7034 データシート(HTML) 4 Page - Silicon Laboratories |
4 / 29 page Si7034-A10 4 Rev. 1.0 1. Electrical Specifications Unless otherwise specified, all min/max specifications apply over the recommended operating conditions. Table 1. Recommended Operating Conditions Parameter Symbol Test Condition Min Typ Max Unit Power Supply VDD 1.67 — 1.98 V Operating Temperature TA –40 — +125 °C Table 2. General Specifications 1.67 V DD 1.98 V; TA = –40 to +125 °C unless otherwise noted. Parameter Symbol Test Condition Min Typ Max Unit Input Voltage High VIH SCL, SDA pins 0.7xVDD — — V Input Voltage Low VIL SCL, SDA pins — — 0.3xVDD V Input Voltage Range VIN SCL, SDA pins with respect to GND 0.0 — VDD+2 V Input Leakage IIL SCL, SDA pins — — 1 μA Output Voltage Low VOL SDA pin; IOL = 1.5 mA — — 0.4 V Current Consumption IDD Normal Mode, Temperature conversion in progress1 — 245 288 μA Normal Mode, RH conversion in progress1 — 106 145 μA Fast Mode, parallel temperature and RH conversion in progress2 — 337 398 μA Fast Mode, RH conversion in progress3 — 106 145 μA Standby, –40 to +85 °C5 — 0.05 0.56 μA Standby, –40 to +125 °C5 — 0.05 5.2 μA Peak IDD during powerup6 —4 5.1 mA Peak IDD during I2C operations7 —3.5 4 mA After writing to user registers8 — 11.6 17 µA Heater Current9 IHEAT — 6.4 to 53.5 — mA Notes: 1. In Normal Mode, a temperature conversion is performed first, followed by an RH conversion. 2. In Fast Mode, both a temperature conversion and an RH conversion are initiated at the same time and occur in parallel. 3. Current consumption of RH conversion after the temperature conversion has finished. In Fast Mode, the temperature conversion finishes before the RH conversion. 4. Additional time for RH conversion after the temperature conversion has finished. 5. No conversion or I2C transaction in progress. Typical values measured at 25 °C. 6. Occurs once during powerup. Duration is <5 msec. 7. Occurs during I2C commands for Reset, Read/Write User Registers, Read EID, and Read Firmware Version. Duration is <100 μs when I2C clock speed is >100 kHz (>200 kHz for 2-byte commands). 8. IDD after a user register write. Initiating any other subsequent I2C transaction on the same bus (such as a user register read, starting an RH measurement, or traffic directed at other I2C devices) will transition the device to standby mode. 9. Additional current consumption when HTRE bit enabled. |
同様の部品番号 - SI7034 |
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同様の説明 - SI7034 |
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