ISL55191 Datasheet, PDF (8/18 Pages) Intersil Corporation – Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail, Low Power Op Amp

ISL55191, ISL55291
Typical Performance Curves (Continued)
0.6
V_S = +2.5V
A_V = 10
0.4 R_L = 1k
R_g = 100
0.2 ^{Rf = 909}
0
-0.2
-0.4
-0.6
0
20
40
60
80
100
TIME (ns)
FIGURE 19. LARGE SIGNAL STEP RESPONSE
0.06
V_S = +2.5V
0.04
A_V = 10
R_L = 1k
R_g = 100
0.02 R_f = 909
0
-0.02
-0.04
-0.06
0
20
40
60
80
100
TIME (ns)
FIGURE 20. SMALL SIGNAL STEP RESPONSE
50
V_S = +2.5V
45 _{AV = 10}
40 ^{RL = 1k}
R_g = 100
35 _{Rf = 909}
30
25
V_OUT = 0.1V
V_OUT = 0.5V
V_OUT = 1V
20
15
10
V_OUT = 3.5V
5
0
0 5 10 15 20 25 30 35 40 45 50
CL (pF)
FIGURE 21. PERCENT OVERSHOOT FOR VARIOUS C_LOAD
3.1
2.6
2.9
2.4
2.7
2.2
INPUT
2.5
2.0
2.3
A_V = 10
2.1
R_L = 10k
V_S = ±2.5V
1.9
R_g = 100
R_f = 909
1.7 ^{VIN = VCM +0.5V}
0 20 40 60
80 100 120
TIME (ns)
OUTPUT
140 160 180
1.8
1.6
1.4
1.2
200
FIGURE 22. ISL55291 POSITIVE INPUT RECOVERY TIME
-2.2
1.5
-2.3
1.0
-2.4
0.5
-2.5
0
-2.6
INPUT
OUTPUT
-0.5
-2.7
-1.0
A_V = 10
-2.8
R_L = 10k
-1.5
-2.9
V_S = ±2.5V
R_g = 100
-2.0
-3.0
R_f = 909
-2.5
V_IN = -V-0.5V
-3.1
-3.0
0 20 40 60 80 100 120 140 160 180 200
TIME (ns)
FIGURE 23. ISL55291 NEGATIVE INPUT RECOVERY
RECOVERY
0.6
3
0.4
2
INPUT
0.2
1
0
-0.2
-0.4
-0.6
0
A_V = 10
R_L = 10k
V_S = +2.5V
R_g = 100
R_f = 909
V_IN = 0.7V_P-P
0
OUTPUT
-1
-2
-3
20 40 60 80 100 120 140 160 180 200
TIME (ns)
FIGURE 24. OUTPUT OVERLOAD RECOVERY
8
FN6263.1
March 30, 2007