Rainbow Electronics DS3231 - Manual (Page 7)

DS3231
Extremely Accurate I
2
C-Integrated
RTC/TCXO/Crystal
_____________________________________________________________________ 7
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS3231 toc01
V CC (V)
I CCS
(µ
A)
5.0 4.0 3.0
50
100
150
0
2.0
RST ACTIVE
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS3231 toc02
V BAT (V)
I BAT
(µ
A)
5.0 4.0 3.0
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
(µ
A)
80.0 60.0 40.0 20.0 0.0 -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)
96 64 0 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.)