DS1631S+ Maxim Integrated Products, DS1631S+ Datasheet - Page 6
![IC THERMOMETER DIG HI-PREC 8SOIC](/photos/6/58/65843/8-soic_21-0262_sml.jpg)
DS1631S+
Manufacturer Part Number
DS1631S+
Description
IC THERMOMETER DIG HI-PREC 8SOIC
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1631U.pdf
(15 pages)
Specifications of DS1631S+
Function
Thermometer, Thermostat
Topology
ADC (Sigma Delta), Comparator, Register Bank
Sensor Type
Internal
Sensing Temperature
-55°C ~ 125°C
Output Type
I²C™/SMBus™
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-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
Temperature Threshold
Programmable
Full Temp Accuracy
+/- 0.5 C
Digital Output - Bus Interface
2-Wire, SMBus
Digital Output - Number Of Bits
9 bit to 12 bit
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Supply Current
1 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
EEPROM AC ELECTRICAL CHARACTERISTICS
Figure 2. TYPICAL OPERATING CURVES
Figure 3. TIMING DIAGRAM
All timing is referenced to 0.9 x V
-0.2
-0.4
-0.6
-0.8
0.8
0.6
0.4
0.2
EEPROM Write Cycle Time
EEPROM Writes
EEPROM Data Retention
0
0
PARAMETER
REFERENCE TEMPERATURE (°C)
10
-3 σ
Mean
20
DS1631/DS1631A
+3 σ
30
40
DD
SYMBOL
50
N
and 0.1 x V
t
EEDR
EEWR
t
wr
60
70
DD
-55°C to +55°C
-55°C to +55°C
CONDITION
6 of 15
(V
.
DD
= 2.7V to 5.5V; T
-0.2
-0.4
-0.6
-0.8
0.8
0.6
0.4
0.2
0
-10
-3 σ
0
MIN
50k
10
REFERENCE TEMPERATURE (°C)
10
Mean
A
20
TYP
= -55°C to +125°C.)
4
DS1731
DS1631/DS1631A/DS1731
+3 σ
30
MAX
40
10
50
UNITS
Writes
Years
60
ms
70
80