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Si7055 데이터시트(PDF) 4 Page - Silicon Laboratories |
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Si7055 데이터시트(HTML) 4 Page - Silicon Laboratories |
4 / 26 page Si7050/1/3/4/5-A20 4 Rev. 1.14 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 1.9 — 3.6 V Operating Temperature TA –40 — +125 °C Table 2. General Specifications 1.9 < VDD < 3.6 V; TA = –40 to 125 °C default conversion time unless otherwise noted. Parameter Symbol Test Condition Min Typ Max Unit Input Voltage High VIH SCL, SDA pins 0.7 x VDD —— V Input Voltage Low VIL SCL, SDA pins — — 0.3 x VDD V Input Voltage Range VIN SCL, SDA pins with respect to GND 0.0 — VDD V Input Leakage IIL SCL, SDA pins — — 1 μA Output Voltage Low VOL SDA pin; IOL =2.5 mA; VDD = 3.3 V — — 0.6 V SDA pin; IOL =1.2 mA; VDD =1.9 V —— 0.4 V Current Consumption IDD Temperature conversion in progress — 90 120 μA Standby, –40 to +85 °C1 —0.06 0.62 μA Standby, –40 to +125 °C1 —0.06 3.8 μA Peak IDD during powerup2 —3.5 4.0 mA Peak IDD during I2C operations3 —3.5 4.0 mA Conversion Time tCONV 14-bit temperature — 7 10.8 ms 13-bit temperature — 4 6.2 ms 12-bit temperature — 2.4 3.8 ms 11-bit temperature — 1.5 2.4 ms Powerup Time tPU From VDD ≥ 1.9 V to ready for a conversion, 25 °C —18 25 ms From VDD ≥ 1.9 V to ready for a conversion, full temperature range —— 80 After issuing a software reset command —5 15 Notes: 1. No conversion or I2C transaction in progress. Typical values measured at 25 °C. 2. Occurs once during powerup. Duration is <5 msec. 3. 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). |
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