ISL55191 Datasheet, PDF (6/18 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)
5
4
C_g = 12.8pF
3
C_g = 10.8pF
C_g = 9.0pF
2
C_g = 7.6pF
1
C_g = 5.5pF
0
-1
R_f = 909
-2 R_g = 100
-3
A_V = 10
R_L = 1k
-4 ^VOUT ^{= 100mV}P-P
V_S = 5V
-5
C_g = 3.0pF
C_g = 0.8pF
.01
0.1
1.0
10
100
1k
FREQUENCY (MHz)
FIGURE 7. ISL55191 GAIN vs FREQUENCY FOR
VARIOUS C_g
5
C_g = 8.7pF
4
C_g = 7.3pF
3
C_g = 5.2pF
2
C_g = 3.8pF
1
C_g = 2.7pF
0
-1 _{Rf = 909}
-2 ^Rg ^{= 100}
C_g = 1.6pF
C_g = 0.5pF
A_V = 10
-3 _{RL = 1k}
-4
V_OUT = 100mV_P-P
V_S = 5V
-5
.01
0.1
1.0
10
100
1k
FREQUENCY (MHz)
FIGURE 8. ISL55291 GAIN vs FREQUENCY FOR
VARIOUS C_g
1M
100k
10k
1k
C_g = 1.6pF
100
C_L = 1.2pF
A_V = 10
R_f = 909
10 ^Rg^{= 100}
V_SOURCE = 500mV_P-P
R_L = 1k
1
.01
0.1
1.0
10
100
1k
FREQUENCY (MHz)
FIGURE 9. DISABLED INPUT IMPEDANCE vs FREQUENCY
1M
100k
10k
1k
C_g = 1.6pF
100
C_L = 1.2pF
A_V = 10
R_f = 909
10
R_g= 100
V_SOURCE = 500mV_P-P
R_L = 1k
1
.01
0.1
1.0
10
100
1k
FREQUENCY (MHz)
FIGURE 10. ENABLED INPUT IMPEDANCE vs FREQUENCY
10k
1k
100 _{Cg = 0.5pF}
R_f = 909
R_g = 100
A_V = 10
V_SOURCE = 1V_P-P
10
.01
0.1
1.0
10
100
1k
FREQUENCY (MHz)
FIGURE 11. DISABLED OUTPUT IMPEDANCE vs
FREQUENCY
100
C_g = 0.5pF
R_f = 909
R_g = 100
10 ^{AV = 10}
V_SOURCE = 1V_P-P
1
0.1
0.01
.01
0.1
1.0
10
100
1k
FREQUENCY (MHz)
FIGURE 12. ENABLED OUTPUT IMPEDANCE vs FREQUENCY
6
FN6263.1
March 30, 2007