Datasheet

DS3232M
±5ppm, I
2
C Real-Time Clock with SRAM
6Maxim Integrated
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
POWER-SUPPLY CURRENT
vs. POWER-SUPPLY VOLTAGE
DS3232M toc01
SUPPLY CURRENT (µA)
60
80
100
120
140
160
180
200
40
SUPPLY VOLTAGE (V)
4.33.83.32.82.3
V
BAT
= 2.3V,
EN32KHZ = 0,
INTCN = 1
T
A
= -40°C
T
A
= +85°C
T
A
= +25°C
V
PF
1.0
1.5
2.0
2.5
BATTERY CURRENT
vs. BATTERY VOLTAGE
DS3232M toc02
BATTERY CURRENT (µA)
3.0
0.5
SUPPLY VOLTAGE (V)
4.33.83.32.82.3
V
CC
= 0V,
EN32KHZ = 0,
INTCN = 1
T
A
= -40°C
T
A
= +85°C
T
A
= +25°C
RST OUTPUT VOLTAGE
vs. OUTPUT CURRENT
DS3232M toc03
OUTPUT CURRENT (mA)
OUTPUT VOLTAGE (V)
4321
0.1
0.2
0.3
0.4
0.5
0.6
0
05
V
CC
= 2.45V
INT/SQW OUTPUT VOLTAGE
vs. OUTPUT CURRENT
DS3232M toc04
OUTPUT CURRENT (mA)
OUTPUT VOLTAGE (V)
8642
0.1
0.2
0.3
0.4
0.5
0
01
0
V
CC
= 2.7V
POWER-SUPPLY CURRENT
vs. SCL FREQUENCY
DS3232M toc05
SCL FREQUENCY (kHz)
SUPPLY CURRENT (µA)
300200100
80
90
100
110
120
130
140
150
160
170
70
0 400
EN32KHZ = 0,
SDA = INACTIVE
2.6V
3.0V
4.0V
THERMOMETER ERROR
vs. TEMPERATURE
DS3232M toc06
TEMPERATURE (°C)
THERMOMETER ERROR (°C)
5020-10
-4
-3
-2
-1
0
1
2
3
4
5
-5
-40 80
V
CC
= 3.3V