DS1722S/TR 查看數據表（PDF） - Maxim Integrated
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DS1722S/TR Datasheet PDF : 14 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
-55°C to +120°C
±3.0
Resolution
8
12 bits
Conversion Time
tCONVT 8-bit conversions
67.5 75 ms
9-bit conversions
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
t DC
SCLK to Data Hold
t CDH
SCLK to Data Valid
t CDD
SCLK Low Time
tCL
SCLK High Time
tCH
SCLK Frequency
t CLK
SCLK Rise and Fall
tR, tF
CE to SCLK Setup
tCC
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
SCLK to CE Hold
tCCH
CE Inactive Time
tCWH
CE to Output High Z
t CDZ
SCLK to Output High Z
tCCZ
100
ns
6
400
ns
6
40
ns
5, 6
40
ns
5, 6
TIMING DIAGRAM: 3-WIRE READ DATA TRANSFER Figure 9
11 of 14
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