DS1631U/T&R Maxim Integrated Products, DS1631U/T&R Datasheet - Page 5
![IC THERMOMETER DIG HI-PREC 8MSOP](/photos/1/39/13936/406-8-msop_sml.jpg)
DS1631U/T&R
Manufacturer Part Number
DS1631U/T&R
Description
IC THERMOMETER DIG HI-PREC 8MSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1631U.pdf
(15 pages)
Specifications of DS1631U/T&R
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-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Full Temp Accuracy
+/- 2 C
Digital Output - Bus Interface
Serial (2-Wire)
Digital Output - Number Of Bits
12 bit
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
AC ELECTRICAL CHARACTERISTICS
Temperature
Conversion Time
SCL Frequency
Bus Free Time
Between a STOP and
START Condition
START and Repeated
START Hold Time
from Falling SCL
Low Period of SCL
High Period of SCL
Repeated START
Condition Setup Time
to Rising SCL
Data-Out Hold Time
from Falling SCL
Data-In Setup Time to
Rising SCL
Rise Time of SDA and
SCL
Fall Time of SDA and
SCL
STOP Setup Time to
Rising SCL
Capacitive Load for
Each Bus Line
I/O Capacitance
Input Capacitance
Spike Pulse Width that
can be Suppressed by
Input Filter
NOTES:
1) All voltages are referenced to GND.
2) See Figure 2 for Typical Operating Curves.
3) Specified with T
4) Specified with temperature conversions stopped; T
5) See Timing Diagram in Figure 3. All timing is referenced to 0.9 x V
6) After this period the first clock pulse is generated.
7) For example, if C
PARAMETER
A
2
= 0V or V
DD
.
OUT
B
= 300pF, then t
pin open; A
SYMBOL
t
t
t
t
t
HD:DAT
HD:STA
SU:DAT
SU:STA
SU:STO
t
t
t
f
C
HIGH
LOW
t
C
BUF
t
SCL
C
t
TC
t
SP
R
I/O
F
B
I
0
, A
R
9-bit resolution
10-bit
resolution
11-bit
resolution
12-bit
resolution
[min] = t
CONDITION
1
, A
2
= 0V or V
F
[min] = 50ns.
5 of 15
(V
DD
OUT
DD
= 2.7V to 5.5V; T
; and f
20 + 0.1C
20 + 0.1C
pin open; SDA = V
MIN
100
1.3
0.6
1.3
0.6
0.6
0.6
0
0
0
SCL
B
B
≥ 2Hz.
DD
TYP MAX UNITS
10
5
and 0.1 x V
DD
A
93.75
187.5
= -55°C to +125°C.)
1000
; SCL = V
375
750
400
300
400
0.9
50
DS1631/DS1631A/DS1731
DD
.
kHz
ms
DD
pF
pF
pF
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
; and A
NOTES
0
5, 6
5, 7
5, 7
, A
5
5
5
5
5
5
5
1
,