ISL28117_1110 Datasheet, PDF (17/33 Pages) Intersil Corporation – 40V Precision Low Power Operational Amplifiers

ISL28117, ISL28217, ISL28417
Typical Performance Curves V_S = ±15V, V_CM = 0V, R_L = Open, unless otherwise specified. (Continued)
120
110
100
90
PSRR+ AND PSRR- V_S = ±2.25V
80
70
60 R_L = INF
50 C_L = 4pF
40 AV = +1
30 V_CM = 1V_P-P
20
10
0 _{PSRR+ AND PSRR- VS = ±15V}
-10
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
70
AV = 1000
60
50
AV = 100
40
30
R_g = 100, R_f = 100k
R_g = 1k, R_f = 100k
V_S = ±20V
C_L = 4pF
R_L = 10k
V_OUT = 50mV_P-P
AV = 10
20
R_g = 10k, R_f = 100k
10
AV = 1
0
-1010
R_g = OPEN, R_f = 0
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 41. PSRR vs FREQUENCY, V_S = ±5V, ±15V
FIGURE 42. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
4
2
R_f = R_g = 100k
0
-2
R_f = R_g = 10k
-4
R_f = R_g = 1k
-6
-8 V_S = ±20V
-10 ^{RL = 10k}
C_L = 4pF
-12 _{AV = +2}
R_f = R_g = 100
-14 _{VOUT = 50mVP-P}
-16
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 43. FREQUENCY RESPONSE vs FEEDBACK RESISTANCE
R_f/R_g
2
1
R_L = 10k
0
-1
R_L = 4.99k
-2
-3
-4
-5 ^{VS = ±20V}
C_L = 4pF
-6 _{AV = +1}
-7 V_OUT = 50mV_P-P
R_L = 1k
R_L = 499
R_L = 100
-810
100
1k
10k
100k
1M
FREQUENCY (Hz)
10M
FIGURE 44. GAIN vs FREQUENCY vs R_L
12
10 ^{VS = ±2.5V}
R_L = 10k
8 _{AV = +1}
6 ^{VOUT = 50mVP-P}
4
2
C_L = 0.01µF
0
C_L = 47pF
-2
C_L = 100pF
-4
C_L = 270pF
C_L = 4pF
-6
C_L = 470pF
C_L = 1000pF
-810
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 45. GAIN vs FREQUENCY vs C_L
17
2
V_S = ±2.25V
1
V_S = ±5V
0
-1
-2
V_S = ±15V
-3
V_S = ±20V
-4
-5 C_L = 4pF
-6 ^{RL = 10k}
AV = +1
-7 _{VOUT = 50mVP-P}
-810
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 46. GAIN vs FREQUENCY vs SUPPLY VOLTAGE
October 13, 2011
FN6632.8