DS1722S 데이터 시트보기 (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS1722S Datasheet PDF : 13 Pages
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DS1722
ELECTRICAL CHARACTERISTICS: DIGITAL THERMOMETER
(-55°C to +120°C, 2.65V ≤=VDDA ≤=5.5V)
PARAMETER
SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Thermometer Error
TERR
-40°C to +85°C
±2.0 °C
8, 9
-55°C to +120°C
±3.0
Resolution
8
12 bits
Conversion Time
tCONVT
8-bit conversions
9-bit conversions
67.5 75
ms
125 150
10-bit conversions
250 300
11-bit conversions
500 600
12-bit conversions
1000 1200
AC ELECTRICAL CHARACTERISTICS: 3-WIRE INTERFACE
PARAMETER
(-55°C to +120°C, 2.65V ≤=VDD ≤=5.5V)
SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Data to SCLK Setup
SCLK to Data Hold
SCLK to Data Valid
SCLK Low Time
SCLK High Time
SCLK Frequency
SCLK Rise and Fall
CE to SCLK Setup
SCLK to CE Hold
CE Inactive Time
CE to Output High Z
SCLK to Output High Z
tDC
tCDH
tCDD
tCL
tCH
tCLK
tR, tF
tCC
tCCH
tCWH
tCDZ
tCCZ
35
ns
5, 6
35
ns
5, 6
80
ns 5, 6, 7
100
ns
6
100
ns
6
DC
5.0 MHz
6
200 ns
400
ns
6
100
ns
6
400
ns
6
40
ns
5, 6
40
ns
5, 6
TIMING DIAGRAM: 3-WIRE READ DATA TRANSFER Figure 9
10 of 13
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