DS3231MZ MAXIM [Maxim Integrated Products], DS3231MZ Datasheet - Page 6

• Manufacturer Part Number: DS3231MZ
• Description: 5ppm, I2C Real-Time Clock Battery Backup for Continuous Timekeeping
• Manufacturer: MAXIM [Maxim Integrated Products]

(T
±5ppm, I
6
A
= +25°C, unless otherwise noted.)
0.5
0.4
0.3
0.2
0.1
0
0
V
V
T
A
CC
BAT
= +25°C
= 2.3V,
INT/SQW OUTPUT VOLTAGE
= 0V,
2
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
150
140
130
120
110
100
-10
90
80
70
60
50
10
-2
-4
-6
-8
8
6
4
2
0
4
-50
2
V
2
V
BAT
CC
vs. POWER-SUPPLY VOLTAGE
C Real-Time Clock
6
= 3.3V
= 2.3V, EN32KHZ = 1, I
POWER-SUPPLY CURRENT
3
FREQUENCY ERROR
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
0
8
INCREASE BELOW V
DUE TO INTERNAL PULLUP
RESISTOR ON RST
+85°C
4
10
OUT
-40°C
50
= 0mA
+25°C
5
0.5
0.4
0.3
0.2
0.1
PF
0
0
V
V
T
A
100
CC
BAT
6
= +25°C
LIMITS
= 2.45V,
= 3.0V,
1
RST OUTPUT VOLTAGE
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
2
Typical Operating Characteristics
3
200
190
180
170
160
150
140
130
120
110
100
4.0
3.5
3.0
2.5
2.0
1.5
1.0
90
80
4
2
0
T
V
A
CC
= +25°C
vs. BATTERY-SUPPLY VOLTAGE
5
= 0V, EN32KHZ = 1, BBSQW = 0
BATTERY-SUPPLY CURRENT
POWER-SUPPLY CURRENT
100
3
vs. SCL FREQUENCY
SCL FREQUENCY (kHz)
+5.5V
SUPPLY VOLTAGE (V)
+3.5V
6
5
4
3
2
1
0
200
0
4
V
T
-40°C
+85°C
+25°C
BAT
A
= +25°C
vs. POWER SUPPLY VOLTAGE
= 3.0V,
+2.7V
RST OUTPUT VOLTAGE
300
5
SUPPLY VOLTAGE (V)
2
400
6
TRACKS WITH V
4
CC
6