DS1390(2004) 查看數據表（PDF） - Maxim Integrated
零件编号
产品描述 (功能)
生产厂家
DS1390 Datasheet PDF : 24 Pages
| |||
Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
(VCC = +3.3V, TA = +25°C, unless otherwise noted.)
IBACKUP vs. VBACKUP, BBSQ1 = 0
600
VCC= 0
550
500
450
400
350
300
1.3 1.7 2.1 2.5 2.9 3.3 3.7 4.1 4.5 4.9 5.3
VBACKUP (V)
IBACKUP vs. TEMPERATURE
VBACKUP = 3.0V
600
VCC = 0V
550
500
450
400
350
300
250
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
Typical Operating Characteristics
IBACKUP vs. VBACKUP, BBSQ1 = 1
1000
950
VCC = 0V
900
850
800
750
700
650
600
550
500
450
400
350
300
1.3 1.7 2.1 2.5 2.9 3.3 3.7 4.1 4.5 4.9 5.3
VBACKUP (V)
32768.00
OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
32767.95
32767.90
32767.85
32767.80
1.3 1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
SUPPLY (V)
_____________________________________________________________________ 9
Share Link: 