ISL28005_14 Datasheet, PDF (7/15 Pages) Intersil Corporation – Micropower, Rail-to-Rail Input Current Sense Amplifier with Voltage Output

ISL28005
Typical Performance Curves V_CC = 12V, R_L = 1M, unless otherwise specified. (Continued)
1.8
V_RS+
1.6
1.4
V_TH(L-H) = 1.52V
1.2
V_TH(H-L) = 1.23V
1.0
0.8
0.6
0.4
0.2
0
0
V_OUT (G = 100)
G100, V_OUT = 1V
G50, V_OUT = 500mV
G20, V_OUT = 200mV
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
TIME (ms)
2.4
12
V_RS+
2.0
10
V_OUT (G = 100)
1.6
8
R_L = 1M
VCC = 12V
1.2
6
0.8
G100, V_OUT = 2V
4
G50, V_OUT = 1V
0.4
G20, V_OUT = 400mV
2
0
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
TIME (ms)
FIGURE 5. HIGH-SIDE and LOW-SIDE THRESHOLD VOLTAGE
V_RS+(L-H) and V_RS+(H-L), V_SENSE = 10mV
FIGURE 6. V_OUT vs V_RS+, V_SENSE = 20mV TRANSIENT RESPONSE
0.2
GAIN 100
0.0
-0.2
+25°C
-0.4
-0.6
-40°C
-0.8
+125°C
-1.01µ
10µ
100µ
1m
I_OUT(A)
10m
FIGURE 7. NORMALIZED V_OA vs I_OUT
50
40
1000pF
30
100pF
4.7nF
20
NO CL
10
10nF
0
-10 _{VCC = 5V}
-20 ^{VRS- = 3V}
A_V = 100
-30 V_OUT = 400mV_P-P
-401k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 9. CAPACITIVE LOAD DRIVE GAIN vs FREQUENCY
45
35 _{GAIN 100}
25
15
V_RS+= 100mV
5
-5
V_CC = 12V
-15 _{VSENSE = 100mV}
-25 ^{AV = 100}
R_L = 1M
-3510
100
1k
V_RS+ = 12V
10k
100k
1M
FREQUENCY (Hz)
FIGURE 8. GAIN vs FREQUENCY V_RS+= 100mV/12V,
V_SENSE = 100mV, V_OUT = 250mV_P-P
220
180
140
100
60
4.7nF
20
10nF
-20
-60
-100
-140
-180
V_CC = 5V
V_RS- = 3V
A_V = 100
V_OUT = 400mV_P-P
-220
1k
10k
100k
FREQUENCY (Hz)
NO CL
100pF
1000pF
1M
FIGURE 10. CAPACITIVE LOAD DRIVE PHASE vs FREQUENCY
7
FN6973.5
October 24, 2013