Data Sheet

DS3231
Extremely Accurate I
2
C-Integrated
RTC/TCXO/Crystal
_____________________________________________________________________ 7
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS3231 toc01
V
CC
(V)
I
CCS
(µA)
5.04.03.0
50
100
150
0
2.0
RST ACTIVE
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS3231 toc02
V
BAT
(V)
I
BAT
(µA)
5.04.03.0
0.800
0.900
1.000
1.100
1.200
0.700
2.0
V
CC
= 0V
SUPPLY CURRENT
vs. TEMPERATURE
DS3231 toc03
TEMPERATURE (°C)
I
BAT
(µA)
80.060.040.020.00.0-20.0
0.700
0.800
0.900
1.000
0.600
-40.0
V
BAT
= 3.0V
FREQUENCY DEVIATION vs.
TEMPERATURE vs. AGING VALUE
DS3231 toc04
CRYSTAL AGING REGISTER VALUE
FREQUENCY DEVIATION (ppm)
96640 32-64 -32-96
-40
-30
-20
-10
0
10
20
30
40
50
60
-128 128
+85°C
-40°C
+70°C
0°C
+40°C
-40°C
+85°C
+25°C
+40°C
+25°C
+70°C
0°C
Typical Operating Characteristics
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.)