isl21440 Intersil Corporation, isl21440 Datasheet - Page 10

• Manufacturer Part Number: isl21440
• Description: Micropower Voltage Reference With Comparator
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 21. OUTPUT RESPONSE TIME vs INPUT
270
245
220
195
170
145
120
3.5
3.0
2.5
2.0
1.5
1.0
0.5
3.5
3.0
2.5
2.0
1.5
1.0
0.5
95
70
45
20
FIGURE 17. HYSTERESIS - 25mV (V+ = 3V)
0
0
FIGURE 19. HYSTERESIS - 50mV (V+=3V)
-60-55-50-45-40-35-30-25-20-15-10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60
-60-55-50-45-40-35-30-25-20-15-10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60
10
5V
20
OVERDRIVE (t
3V
30
40
INPUT VOLTAGE (mV)
50
IN+ - IN- (mV)
IN+ - IN- (mV)
10
PLH
60
)
70
80
90
100 110 120
ISL21440
(Continued)
FIGURE 20. OUTPUT RESPONSE TIME vs INPUT
FIGURE 22. POWER-UP/DOWN OUTPUT RESPONSE
-0.5
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
3.5
3.0
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
FIGURE 18. HYSTERESIS - 37.5mV (V+ = 3V)
0
0
10
0
-60-55-50-45-40-35-30-25-20-15-10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60
20
0.2
3V
5V
OVERDRIVE (t
(V+ = 5V, IN+ = V+, IN- = V
30
0.4
40
0.6
INPUT VOLTAGE (mV)
50
IN+ - IN- (mV)
0.8
TIME (ms)
60
PHL
1.0 1.2
)
70
80
OUT
1.4
90
December 7, 2009
REF
1.6
100 110 120
V+
)
1.8
FN6532.0
2.0