ISL28130_10 Datasheet, PDF (8/17 Pages) Intersil Corporation – Single, Dual, and Quad Micropower, Low Drift, RRIO Operational Amplifiers

ISL28130, ISL28230, ISL28430
Typical Performance Curves V+ = 5V, V- = 0V, V_CM = 2.5V, R_L = Open, T = +25°C, unless
otherwise specified. (Continued)
10
9
8
Rf = Rg = 1k
7
6
Rf = Rg = 10k
5
4
3 ^VS ^{= ±2.5V}
R_L = 100k
2 C_L = 3.7pF
1
A_V = +2
V_OUT = 10mV_P-P
0
100
1k
10k
Rf = Rg = 100k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 9. GAIN vs FREQUENCY vs FEEDBACK
RESISTOR VALUES R_f/R_g
1
0
-1
-2
V_OUT = 1V
-3
-4
V_OUT = 500mV
-5
-6
-7
-8
-9
100
V_OUT = 250mV
V_OUT = 100mV
V_OUT = 10mV
1k
10k
100k
FREQUENCY (Hz)
V_S = ±2.5V
R_L = OPEN
C_L = 3.7pF
A_V = 1
1M
10M
FIGURE 10. GAIN vs FREQUENCY vs V_OUT
70
AV = 1000
60
Rg = 100, Rf = 100k
50
AV = 100
40
30
AV = 10
20
Rg = 1k, Rf = 100k
V+ = 5V
C_L = 3.7pF
R_L = 100k
V_OUT = 10mV_P-P
10
Rg = 10k, Rf = 100k
AV = 1
0
-10
10
Rg = OPEN, Rf = 0
100
1k
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 11. FREQUENCY RESPONSE vs CLOSED LOOP
GAIN
1
0
-1
-2
V_S = ±0.7V
-3
V_S = ±0.8V
-4
V_S= ±1.5V
-5
V_S = ±2.75V
-6 _{RL = 100k}
-7 ^CL ^{= 3.7pF}
A_V = +1
-8 _{VOUT = 10mVP-P}
-9
100
1k
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 12. GAIN vs FREQUENCY vs SUPPLY VOLTAGE
8
6
CL = 824pF
CL = 474pF
4
CL = 224pF
2
0
-2
CL = 104pF
-4
-6
V_S = ±2.5V
R_L = 100k
-8 ^{AV = +1}
V_OUT = 10mV_P-P
CL = 51pF
CL = 3.7pF
-10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 13. GAIN vs FREQUENCY vs C_L
10M
5.0
4.5
4.0
3.5
3.0
2.5
2.0
R_L = 100k
1.5
C_L = 3.7pF
1.0
A_V = 1
0.5
V_OUT = 4V_P-P
0
0
50 100 150 200 250 300 350 400
TIME (µs)
FIGURE 14. LARGE SIGNAL STEP RESPONSE (4V)
8
FN7623.0
August 17, 2010