DS12R885 Maxim, DS12R885 Datasheet - Page 8

• Manufacturer Part Number: DS12R885
• Description: The DS12R885 is a functional drop-in replacement for the DS12885 real-time clock (RTC)
• Manufacturer: Maxim

RTCs with Constant-Voltage Trickle Charger
(V
8
CC
_____________________________________________________________________
= +3.3V, T
A
= +25°C, unless otherwise noted.)
625
600
575
550
650
625
600
575
550
525
500
475
450
-40
2.0
V
V
CC
BACKUP
-25 -10
= 0V,
I
BACKUP
= 3.0V
I
2.3
BACKUP
TEMPERATURE (°C)
(DS12R885)
(DS12R885)
5
vs. TEMPERATURE
V
BACKUP
vs. V
20
2.5
(V)
BACKUP
35
50
2.8
V
65
CC
= 0V
80
3.0
Typical Operating Characteristics
32768.10
32768.08
32768.06
32768.04
32768.02
32768.00
32767.98
32767.96
32767.94
32767.92
32767.90
3.0
2.8
2.6
2.4
2.2
2.0
2.0
1.0
1.5
2.5
V
BACKUP
OSCILLATOR FREQUENCY
2.0
vs. SUPPLY VOLTAGE
3.0
2.5
(DS12R885)
vs. V
SUPPLY (V)
3.5
3.0
V
CC
CC
(V)
3.5
4.0
vs. I
4.0
4.5
BACKUP
4.5
DS12R885 toc02
5.0
5.0
5.5
5.5
0μA
-15μA
-30μA
-45μA
-60μA