isl28005 Intersil Corporation, isl28005 Datasheet - Page 7

• Manufacturer Part Number: isl28005
• Description: Micropower, Rail-to-rail Input Current Sense Amplifier With Voltage Output
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 1. LARGE SIGNAL TRANSIENT RESPONSE
FIGURE 3. HIGH-SIDE and LOW-SIDE THRESHOLD
12
10
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
8
6
4
2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0.2
0.0
0
0
0
1µ
V
FIGURE 5. NORMALIZED V
RS+
10
0.2
V
VOLTAGE V
V
RS+
SENSE
20
0.4
10µ
= 0.2V, V
30
0.6
V
V
= 10mV
TH(L-H)
OUT
G100, V
G50, V
G20, V
V
40
RS+(L-H)
0.8
TH(H-L)
(G = 100)
TIME (µs)
TIME (ms)
OUT
OUT
= 1.52V
I
OUT
7
OUT
+25°C
SENSE
100µ
50
1.0
-40°C
= 500mV
= 200mV
= 1.23V
(A)
= 1V
+125°C
60
1.2
and V
= 100mV
OA
70
1.4
vs I
1m
RS+(H-L)
80
GAIN 100
GAIN 100
1.6
OUT
90
1.8
,
10m
100
2.0
V
ISL28005
cc
= 12V, R
L
= 1M, unless otherwise specified.
FIGURE 2. LARGE SIGNAL TRANSIENT RESPONSE
FIGURE 4. V
FIGURE 6. GAIN vs FREQUENCY V
2.4
2.0
1.6
1.2
0.8
0.4
0
12
10
8
6
4
2
0
0
-15
-25
-35
45
35
25
15
0
-5
5
10
0.2
V
V
A
R
GAIN 100
CC
SENSE
V
L
10
= 100
= 1M
V
TRANSIENT RESPONSE
V
= 12V
0.4
RS+
OUT
SENSE
20
= 100mV
100
0.6
=12V, V
vs V
G100, V
G50, V
G20, V
30
= 100mV, V
R
VCC = 12V
0.8
RS+
L
FREQUENCY (Hz)
V
40
OUT
= 1M
OUT
OUT
1k
OUT
TIME (µs)
TIME (ms)
V
, V
SENSE
1.0
RS+
(G = 100)
= 1V
= 400mV
50
= 2V
SENSE
1.2
V
OUT
10k
60
RS+
= 100mV
V
RS+
RS+
= 20mV
1.4
= 100mV
= 250mV
70
= 12V
= 100mV/12V,
1.6
100k
80
GAIN 100
February 3, 2010
1.8
90
P-P
FN6973.1
2.0
1M
100
12
10
8
6
4
2
0