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DS12R885 Datasheet(PDF) 8 Page - Maxim Integrated Products

Part # DS12R885
Description  RTC with Constant-Voltage Trickle Charger
Download  22 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS12R885 Datasheet(HTML) 8 Page - Maxim Integrated Products

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


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