DS1726U+ Maxim Integrated Products, DS1726U+ Datasheet - Page 11

• Manufacturer Part Number: DS1726U+
• Description: IC THERMOMETER/STAT DIG HP 8MSOP
• Manufacturer: Maxim Integrated Products

Specifications of DS1726U+

• Function: Thermometer, Thermostat
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: 3-Wire Serial
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Full Temp Accuracy: +/- 2 C
• Digital Output - Bus Interface: Serial (3-Wire)
• Digital Output - Number Of Bits: 12 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 7. 3-WIRE COMMUNICATION
a) Start Temperature Conversion
b) Write to the T
c) Write to the Configuration Register
d) Read from the Temperature Register
e) Read from the Configuration Register
CLK
CLK
DQ
DQ
RST
RST
RST
RST
CLK
CLK
DQ
DQ
Write TH [01h] or TL [02h] Command
C
Read Temperature [AAh] Command
0
0
C
0
1
0
1
H
0
0
0
Read Config [ACh] Command
/T
0
Write Config [0Ch] Command
L
0
1
Registers
1
1
RST
CLK
0
0
DQ
1
1
0
1
0
0
0
0
1
1
0
0
1
Start Convert T [51h] Command
0
D
D
0
0
0
0
0
D
D
1
1
1
0
Temperature Data from DS1626/DS1726
11 of 12
D
D
0
D
Configuration Reg. Data from DS1626/DS1726
2
2
0
D
Configuration Reg. Data from Master
0
D
D
1
T
3
D
3
H
1
D
or T
D
1
D
4
4
0
D
L
2
D
D
D
Data from Master
2
5
5
1
D
3
D
D
D
6
3
6
0
D
D
D
4
D
7
7
4
D
D
D
5
8
D
8
5
D
D
D
9
9
6
D
6
D
D
1 0
D
10
D
7
7
D
D
1 1
11
DS1626/DS1726
0
0
0
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