ISL55190 Datasheet, PDF (8/18 Pages) Intersil Corporation – Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Low Power Op Amp

ISL55190, ISL55290
Typical Performance Curves (Continued)
1000
100
10 A_V = 100
C_g = 1.6pF
R_f = 330
R_g = 3.3
R_i = 1k
1
0.1
1
10
100 1k
FREQUENCY (Hz)
10k 100k
FIGURE 19. INPUT NOISE CURRENT vs FREQUENCY
0.6
A_V = 5
V_S = ±2.5V
0.4 R_L = 1k
C_L = 1.3pF
0.2 ^{VOUT = 1VP-P}
0
-0.2
-0.4
-0.6
0 10 20 30 40 50 60 70 80 90 100
TIME (µs)
FIGURE 20. LARGE SIGNAL STEP RESPONSE
0.06
0.04
0.02
0
-0.02
A_V = 5
V_S = ±2.5V
R_L = 1k
C_L = 1.3pF
V_OUT =100mV_P-P
-0.04
-0.06
0 10 20 30 40 50 60 70 80 90 100
TIME (µs)
FIGURE 21. SMALL SIGNAL STEP RESPONSE
1.4
3.0
1.3
A_V = 5
R_L = 10k
2.5
1.2
V_S = ±2.5V
2.0
R_g = 100
1.1
INPUT
R_f = 402
1.5
1.0
V_IN = VCM +0.1V _1.0
0.9
0.5
0.8
OUTPUT
0
0.7
-0.5
0.6
-1.0
0.5
-1.5
0.4
-2.0
0
10 20 30 40 50 60 70 80
TIME (ns)
FIGURE 23. POSITIVE INPUT OVERLOAD RECOVERY TIME
50
45
A_V = 5
R_L = 1k
40 ^Rg ^{= 100}
V_OUT = 0.1V
3
35 ^{Rf = 402}
2
30
25
1
V_OUT = 0.5V
20
15
V_OUT = 1V
0
10
V_OUT = 3.5V
-1
5
0
-2
0
5
10
15
20
25
C_{L (}pF)
-3
FIGURE 22. ISL55290 PERCENT OVERSHOOT vs V_OUT, C_L
-1.0
3
-1.5 _INPUT
2
-2.0
1
-2.5
OUTPUT
0
-3.0
-3.5
-4.0
0
A_V = 5
R_L = 10k
-1
V_S = ±2.5V
R_g = 100
R_f = 402
-2
V_IN = -V-0.5V
-3
10 20 30 40 50 60 70 80
TIME (ns)
FIGURE 24. NEGATIVE INPUT OVERLOAD RECOVERY TIME
8
FN6262.1
March 30, 2007