ISL28127_1012 Datasheet, PDF (12/26 Pages) Intersil Corporation – Precision Single and Dual Low Noise Operational Amplifiers

ISL28127, ISL28227
Typical Performance Curves V_S = ±15V, VCM = 0V, R_L = Open, unless otherwise specified. (Continued)
70
60 ^{AV = 1000}
R_g = 100, R_f = 100k
Rg = 1k, Rf = 100k
50
A_V = 100
40
30
A_V = 10
20
R_g = 10k, R_f = 100k
10
V_S = ±15V
C_L = 3.5pF
R_L = INF
V_OUT = 100mV_P-P
0 ^{AV = 1}
-10
100
R_g = OPEN, R_f = 0
1k
10k 100k 1M
10M 100M
FREQUENCY (Hz)
FIGURE 27. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
15
Rf = Rg = 100k
13
Rf = Rg = 10k
11
Rf = Rg = 1k
9
7
5
3 V_S = ±15V
1 ^{RL = 10k}
C_L = 3.5pF
-1 _{AV = +2}
-3 V_OUT = 100mV_P-P
Rf = Rg = 100
-5
1k
10k
100k
1M
FREQUENCY (Hz)
10M
100M
FIGURE 28. FREQUENCY RESPONSE vs FEEDBACK RESISTANCE
R_f/R_g
2
R_L = 10k
1
R_L = 1k
0
-1
R_L = 499
-2
V_S = ±15V
-3 _{CL = 3.5pF}
-4 ^{AV = +1}
V_OUT = 100mV_P-P
R_L = 100
R_L = 49.9
-5
1k
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 29. GAIN vs FREQUENCY vs R_L
100M
1
V_S = ±2.25V
0
V_S = ±5V
-1
V_S = ±15V
C_L = 3.5pF
-2 R_L = 10k
A_V = +1
V_OUT = 100mV_P-P
-3
1k
10k
100k
1M
FREQUENCY (Hz)
10M
100M
FIGURE 31. GAIN vs FREQUENCY vs SUPPLY VOLTAGE
7
6 ^{VS = ±15V}
R_L = 10k
5 _{AV = +1}
C_L = 1000pF
4 ^VOUT ^{= 100mV}P-P
C_L = 220pF
3
2
C_L = 100pF
1
C_L = 25.5pF
0
-1
-2
C_L = 3.5pF
-3
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 30. GAIN vs FREQUENCY vs C_L
100M
6
5
4
3
2
1
0
1
-2
-3
-4
-5
-6
0
V_S = ±15V
C_L = 3.5pF
A_V = 1
R_f = 0 R_g = inf
V_OUT = 10V_P-P
R_L = 2k
R_L = 10k
5
10
15
20
25
30
TIME (µs)
FIGURE 32. LARGE SIGNAL 10V STEP RESPONSE, V_S = ±15V
12
FN6633.6
December 16, 2010