ISL12028 Datasheet, PDF (8/28 Pages) Intersil Corporation – Real Time Clock/Calendar with EEPROM

ISL12028
Typical Performance Curves Temperature is 25°C unless otherwise specified
4.00
BSW = 0 or 1
3.50
3.00
SCL,SDA pullups = 0V
2.50
2.00
1.50
SCL,SDA pullups = Vbat
1.00
0.50
BSW = 0 or 1
0.00
1.8
2.3
2.8
3.3
3.8
4.3
4.8
5.3
Vbat (V)
FIGURE 5. I_BAT vs V_BAT, SBIB = 0
0.90
0.80
0.70
SCL,SDA pullups = 0V
BSW = 0 or 1
0.60
0.50
0.40
0.30
0.20
0.10
0.00
1.80
2.30
2.80
3.30
3.80
4.30
4.80
5.30
Vbat(V)
FIGURE 6. I_BAT vs V_BAT, SBIB = 1
5.00
4.50
Vdd=5.5V
4.00
3.50
3.00
Vdd=3.3V
2.50
2.00
1.50
1.00
0.50
0.00
-45 -35 -25 -15 -5
5 15 25 35 45 55 65 75 85
Temperature
FIGURE 7. I_DD3 vs TEMPERATURE
1.40
1.20
Vbat = 3.0V
1.00
0.80
0.60
0.40
0.20
0.00
-45 -35 -25 -15 -5
5 15 25 35 45 55 65 75 85
Temperature
FIGURE 8. I_BAT vs TEMPERATURE
4.50
4.00
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
1.8
2.3
2.8
3.3
3.8
4.3
4.8
5.3
Vdd (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
ATR setting
8 12 16 20 24 28
FIGURE 10. ∆F_OUT vs ATR SETTING
8
FN8233.5
October 18, 2006