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ISL76627 Datasheet, PDF (8/18 Pages) Intersil Corporation – Precision Low Noise Operational Amplifier
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ISL76627
Typical Performance Curves VS = ±15V, VCM = 0V, RL = Open, 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
PHASE
GAIN
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 15. OPEN-LOOP GAIN, PHASE vs FREQUENCY,
RL = 10kΩ, CL = 10pF
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 16. OPEN-LOOP GAIN, PHASE vs FREQUENCY,
RL = 10kΩ, CL = 100pF
70
60 AV = 1000
Rg = 100, Rf = 100k
50
Rg = 1k, Rf = 100k
40 AV = 100
30
AV = 10
20
Rg = 10k, Rf = 100k
10
VS = ±15V
CL = 3.5pF
RL = INF
VOUT = 100mVP-P
0 AV = 1
-10
100
Rg = OPEN, Rf = 0
1k
10k
100k
1M
10M 100M
FREQUENCY (Hz)
FIGURE 17. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
15
Rf = Rg = 100k
13
Rf = Rg = 10k
11
9
Rf = Rg = 1k
7
5
3 VS = ±15V
1 RL = 10k
CL = 3.5pF
-1 AV = +2
-3 VOUT = 100mVP-P
-5
1k
10k
Rf = Rg = 100
100k
1M
FREQUENCY (Hz)
10M
100M
FIGURE 18. FREQUENCY RESPONSE vs FEEDBACK RESISTANCE
Rf/Rg
2
RL = 10k
1
RL = 1k
0
-1
RL = 499
-2
VS = ±15V
-3 CL = 3.5pF
-4 AV = +1
VOUT = 100mVP-P
RL = 100
RL = 49.9
-5
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 19. GAIN vs FREQUENCY vs RL
100M
7
6 VS = ±15V
RL = 10k
5 AV = +1
4 VOUT = 100mVP-P
3
2
CL = 1000pF
CL = 220pF
CL = 100pF
1
CL = 25.5pF
0
-1
-2
CL = 3.5pF
-3 1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 20. GAIN vs FREQUENCY vs CL
100M
8
FN7725.0
July 12, 2011
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