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ISL28107_1110 Datasheet, PDF (17/32 Pages) Intersil Corporation – Precision Single, Dual and Quad Low Noise Operational Amplifiers
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ISL28107, ISL28207, ISL28407
Typical Performance Curves VS = ±15V, VCM = 0V, RL = Open, TA = +25°C unless otherwise specified. (Continued)
200
180
160
140
120
100
80
60
40
20
0
-20
-40
-60
RL = 10k
CL = 10pF
-80 SIMULATION
-100
0.1m 1m 10m 100m 1
GAIN
10 100 1k
PHASE
10k 100k 1M 10M 100M
FREQUENCY (Hz)
200
180
160
140
120
100
80
60
40
20
0
-20
-40
-60
RL = 10k
CL = 100pF
-80 SIMULATION
-100
0.1m 1m 10m 100m 1
PHASE
GAIN
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 39. OPEN-LOOP GAIN, PHASE vs FREQUENCY,
RL = 10kΩ, CL = 10pF
FIGURE 40. OPEN-LOOP GAIN, PHASE vs FREQUENCY,
RL = 10kΩ, CL = 100pF
70
AV = 1000
60
50
AV = 100
40
30
AV = 10
20
Rg = 10k, Rf = 100k
10
0 AV = 1
Rg = 100, Rf = 100k
Rg = 1k, Rf = 100k
V+ = ±20V
CL = 4pF
RL = 10k
VOUT = 100mVP-P
-10
Rg = OPEN, Rf = 0
-20
10
100
1k
10k 100k
1M
10M
FREQUENCY (Hz)
FIGURE 41. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
1
0
-1
-2
RL = 100k
-3
RL = 10k
-4
RL = 1k
-5
RL = 499
-6 V+ = ±5V
-7 CL = 4pF
-8 AV = +1
VOUT = 10mVP-P
-9
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 43. GAIN vs FREQUENCY vs RL
8
6
4
Rf = Rg = 100k
2
Rf = Rg = 10k
0
Rf = Rg = 1k
-2
-4 V+ = ±5V
-6 RL = 10k
-8
CL = 4pF
AV = +2
-10 VOUT = 10mVP-P
Rf = Rg = 100
-12
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 42. FREQUENCY RESPONSE vs FEEDBACK RESISTANCE
Rf/Rg
1
0
-1
-2
RL = 100k
-3
RL = 10k
-4
RL = 1k
-5
-6 V+ = ±20V
-7
CL = 4pF
AV = +1
-8 VOUT = 100mVP-P
RL = 499
-9
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 44. GAIN vs FREQUENCY vs RL
17
FN6631.5
October 21, 2011
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