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DS1722U Datasheet(PDF) 11 Page - Maxim Integrated Products |
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DS1722U Datasheet(HTML) 11 Page - Maxim Integrated Products |
11 / 14 page DS1722 11 of 14 ELECTRICAL CHARACTERISTICS: DIGITAL THERMOMETER (-55 °C to +120°C, 2.65V ≤ V DDA ≤ 5.5V) PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES -40 °C to +85°C ±2.0 Thermometer Error TERR -55 °C to +120°C ±3.0 °C Resolution 8 12 bits 8-bit conversions 67.5 75 9-bit conversions 125 150 10-bit conversions 250 300 11-bit conversions 500 600 Conversion Time tCONVT 12-bit conversions 1000 1200 ms AC ELECTRICAL CHARACTERISTICS: 3-WIRE INTERFACE (-55 °C to +120°C, 2.65V ≤ V DD ≤ 5.5V) PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES Data to SCLK Setup tDC 35 ns 5, 6 SCLK to Data Hold tCDH 35 ns 5, 6 SCLK to Data Valid tCDD 80 ns 5, 6, 7 SCLK Low Time tCL 100 ns 6 SCLK High Time tCH 100 ns 6 SCLK Frequency tCLK DC 5.0 MHz 6 SCLK Rise and Fall tR, tF 200 ns CE to SCLK Setup tCC 400 ns 6 SCLK to CE Hold tCCH 100 ns 6 CE Inactive Time tCWH 400 ns 6 CE to Output High Z tCDZ 40 ns 5, 6 SCLK to Output High Z tCCZ 40 ns 5, 6 TIMING DIAGRAM: 3-WIRE READ DATA TRANSFER Figure 9 |
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