ISL28278, ISL28478
Typical Performance Curves
V
+
= 5V, V
-
= 0V, V
CM
= 2.5V, R
L
= Open, unless otherwise specified.
1k
VOLTAGE NOISE (nV/√Hz)
CURRENT NOISE (fA/√Hz)
1
10
100
FREQUENCY (Hz)
1k
10k
1k
100
100
10
10
1
10
100
FREQUENCY (Hz)
1k
10k
FIGURE 7. VOLTAGE NOISE vs FREQUENCY
FIGURE 8. CURRENT NOISE vs FREQUENCY
2.56
2.5
VOLTAGE NOISE (0.5µV/DIV)
2.0
1.5
VOLTS (V)
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
2.42
0
1
2
3
4
5
6
7
8
9
10
0
2
4
6
8
10
12
14
16
18
20
TIME (1s/DIV)
TIME (µs)
2.46
2.44
2.52
V
OUT
2.50
2.48
V
+
= 5VDC
V
OUT
= 0.1V
P-P
R
L
= 1kΩ
A
V
= +1
V
IN
2.54
FIGURE 9. 0.1Hz TO 10Hz INPUT VOLTAGE NOISE
FIGURE 10. SMALL SIGNAL TRANSIENT RESPONSE
5
4
3
2
1
0
0
50
100
150
200
250
V
IN
0.1V/DIV
V
+
= 5VDC
V
OUT
= 4V
P-P
R
L
= 1kΩ
A
V
= -2
V
OUT
1V/DIV
EN
INPUT
A
V
= -1
V
IN
= 200mV
P-P
V+ = 5V
VOLTS (V)
0
V
OUT
0
10µs/DIV
TIME (µs)
FIGURE 11. LARGE SIGNAL TRANSIENT RESPONSE
FIGURE 12. ISL28278 ENABLE TO OUTPUT DELAY TIME
5
FN6145.2
July 11, 2007
INTERSIL [ INTERSIL CORPORATION ]
