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DS1722U Datasheet(PDF) 11 Page - Maxim Integrated Products

Part # DS1722U
Description  Digital Thermometer with SPI/3-Wire Interface
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS1722U Datasheet(HTML) 11 Page - Maxim Integrated Products

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DS1722
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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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