ISL28190_08 Datasheet, PDF (7/16 Pages) Intersil Corporation – Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail Output, Op Amp

ISL28190, ISL28290
Typical Performance Curves (Continued)
10
10
V+ = 5V
1
R_L = 10k
R_F = 0, AV = 1
0.1
FREQUENCY= 1kHz
400Hz TO 22kHz FILTER
1
0.01
0.001
0.0001
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
V_OUT (V_P-P)
FIGURE 13. THD+N @ 1kHz vs V_OUT
0.1
0.1
1
10
100
1k
FREQUENCY (Hz)
10k 100k
FIGURE 14. INPUT REFERRED NOISE VOLTAGE vs
FREQUENCY
1000
100
10
1
0.1
1
10
100
1k
FREQUENCY (Hz)
10k 100k
FIGURE 15. INPUT REFERRED NOISE CURRENT vs
FREQUENCY
5
EN INPUT
4
3
V+ = 5V
A_V = +1
R_L = 10kΩ
C_L = 10pF
V_IN = 1VDC
2
ENABLE
DISABLE
ENABLE
1
OUTPUT
0
-1
0
1
2
3
4
TIME (µs)
FIGURE 16. ENABLE/DISABLE TIMING
0.08
0.06
0.04
0.02
0
V_OUT
V_IN
-0.02
-0.04
-0.06
-0.08
0
V+ = ±2.5V
A_V = +1
R_L = 10kΩ
V_OUT = 100mV_P-P
20 40 60 80 100 120 140 160 180 200
TIME (ns)
FIGURE 17. SMALL SIGNAL STEP RESPONSE
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
0
V_OUT
V_IN
V+ = ±2.5V
A_V = +2
R_F = R_G = 499Ω
R_L = 10kΩ
V_OUT = 1V_P-P
100 200 300 400 500 600 700 800
TIME (ns)
FIGURE 18. LARGE SIGNAL (1V) STEP RESPONSE
7
FN6247.7
March 17, 2008