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ISL55191 Datasheet, PDF (5/18 Pages) Intersil Corporation – Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail, Low Power Op Amp
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ISL55191, ISL55291
Typical Performance Curves
1
0
-1
Rf = 133, Rg = 14.7
-2
Rf = 249, Rg = 27.4
-3
Rf = 274, Rg = 30.1
-4
Rf = 316, Rg = 34.8
-5
-6
Rf = 365, Rg = 40.2
-7 AV = 10
-8 RL = 1k
Rf = 2.74k, Rg = 301
VOUT = 100mVP-P Rf = 909, Rg = 100
-9
.01
0.1
1.0
10
100
1k
FREQUENCY (MHz)
FIGURE 1. GAIN vs FREQUENCY FOR VARIOUS Rf vs Rg
1
VOUT = 100mV
0
-1
-2
-3
VOUT = 200mV
-4
-5 AV = 10
RL = 1k
-6 CL = 1.3pF
-7
Rf = 909
Rg = 100
VOUT = 1V
-8
0.1
1.0
10
100
1k
FREQUENCY (MHz)
FIGURE 2. GAIN vs FREQUENCY vs VOUT
1
0
-1
-2
-3
RL = 1k
-4
-5
RL = 500
-6
RL = 250
-7 AV = 10
-8 CL = 1.3pF
VOUT = 100mVP-P
RL = 100
-9
.01
0.1
1.0
10
100
1k
FREQUENCY (MHz)
FIGURE 3. GAIN vs FREQUENCY FOR VARIOUS RLOAD
65
60
AV = 1000 Rf/Ri = 100k/100
55
50
45
40
AV = 10 Rf/Ri = 909/100
35
30 AV = 100 Rf/Ri = 10k/100
25
20
15
10
5
RL = 1k
CL = 2.2pF
VOUT = 100mVP-P
0
0.1
1.0
10
100
1k
FREQUENCY (MHz)
FIGURE 4. CLOSED LOOP GAIN vs FREQUENCY
2
1
VS = 1.2V
0
-1
-2
-3
-4
VS = 2.5V
-5 Cg = 0.5pF
-6
Rf = 909
Rg = 100
-7 RL = 1k
VOUT = 100mVP-P
-8
.01
0.1
1.0
10
100
1k
FREQUENCY (MHz)
FIGURE 5. GAIN vs FREQUENCY vs VS
4
3
CL = 23.2pF
2
CL = 13.2pF
1
CL = 8.0pF
0
-1
CL = 1.2pF
-2
CL = 2.2pF
-3
AV = 10
-4 V+ = 5V
-5
RL = 1k
VOUT = 100mVP-P
CL = 4.5pF
-6
0.1
0.1
10
100
1k
FREQUENCY (MHz)
FIGURE 6. GAIN vs FREQUENCY FOR VARIOUS CLOAD
5
FN6263.1
March 30, 2007
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