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ISL28191_08 Datasheet, PDF (7/16 Pages) Intersil Corporation – Single and Dual Single Supply Ultra-Low Noise, Low Distortion Rail-to-Rail Output, Op Amp
ISL28191, ISL28291
Typical Performance Curves (Continued)
1
10
V+ = 5V
AV = +1
RL = 10kΩ
0.1 FREQUENCY = 1kHz
FILTER = 400Hz TO 22kHz
0.01
0.001
0.0001
0
0.5
1.0 1.5
2.0 2.5
3.0 3.5
VOUT (VP-P)
FIGURE 13. THD+N @ 1kHz vs VOUT
1
0.1
1
10
100
1k
10k
FREQUENCY (Hz)
FIGURE 14. INPUT REFERRED NOISE VOLTAGE vs
FREQUENCY
100k
100
10
1
0.1
1
10
100
1k
10k
FREQUENCY (Hz)
FIGURE 15. INPUT REFERRED NOISE CURRENT vs
FREQUENCY
100k
5
4
EN INPUT
3
V+ = 5V
AV = +1
RL = 10kΩ
CL = 10pF
VIN = 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
VOUT
0.02
VIN
0
-0.02
-0.04
-0.06
V+ = ±2.5V
AV = +1
RL = 10kΩ
VOUT = 100mVP-P
-0.08
0
20 40 60 80 100 120 140 160 180 200
TIME (ns)
FIGURE 17. SMALL SIGNAL STEP RESPONSE
7
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
0
VOUT
VIN
V+ = ±2.5V
AV = +2
RF = RG = 499Ω
RL = 10kΩ
VOUT = 1VP-P
100 200 300 400 500 600 700 800
TIME (ns)
FIGURE 18. LARGE SIGNAL (1V) STEP RESPONSE
FN6156.5
February 20, 2008