ISL12028_10 Datasheet, PDF (8/29 Pages) Intersil Corporation – Real Time Clock/Calendar with I2C Bus™ and EEPROM

ISL12028, ISL12028A
Typical Performance Curves Temperature is +25°C unless otherwise specified.
4.0
BSW = 0 OR 1
3.5
3.0
SCL, SDA PULL-UPS = 0V
2.5
2.0
1.5
1.0
SCL, SDA PULL-UPS = V_BAT
0.5
BSW = 0 OR 1
0.0
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
V_BAT (V)
0.9
0.8
0.7
SCL, SDA PULL-UPS = 0V
0.6
BSW = 0 OR 1
0.5
0.4
0.3
0.2
0.1
0.0
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
V_BAT(V)
FIGURE 5. I_BAT vs V_BAT, SBIB = 0
FIGURE 6. I_BAT vs V_BAT, SBIB = 1
5.0
4.5
4.0
V_DD = 5.5V
3.5
3.0
V_DD = 3.3V
2.5
2.0
1.5
1.0
0.5
0.0
-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85
TEMPERATURE (°C)
FIGURE 7. I_DD3 vs TEMPERATURE
1.4
1.2
V_BAT = 3.0V
1.0
0.8
0.6
0.4
0.2
0.0
-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85
TEMPERATURE (°C)
FIGURE 8. I_BAT vs TEMPERATURE
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
V_DD (V)
FIGURE 9. I_DD3 vs V_DD
80
60
40
20
0
-20
-40
-32 -28 -24 -20 -16 -12 -8 -4 0 4 8 12 16 20 24 28
ATR SETTING
FIGURE 10. ΔF_OUT vs ATR SETTING
8
FN8233.8
August 9, 2010