ds1631a Maxim Integrated Products, Inc., ds1631a Datasheet - Page 5

• Manufacturer Part Number: ds1631a
• Description: High-precision Digital Thermometer And Thermostat
• Manufacturer: Maxim Integrated Products, Inc.

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
,