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ISL28127_10 Datasheet, PDF (16/23 Pages) Intersil Corporation – Precision Single and Dual Low Noise Operational Amplifiers
◁
ISL28127, ISL28227
Characterization vs Simulation Results (Continued)
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
FREQUENCY (Hz)
10M
100M
FIGURE 36. CHARACTERIZED CLOSED LOOP GAIN vs
RL
2
1
RL = 10k
0
RL = 1k
-1
-2
RL = 499
VS = ±15V
-3 CL = 3.5pF
RL = 100
-4 AV = +1
VOUT = 100mVP-P
RL = 49.9
-5
1k
10k
100k
1M
FREQUENCY (Hz)
10M
100M
FIGURE 37. SIMULATED CLOSED LOOP GAIN vs RL
7
6 VS = ±15V
RL = 10k
5 AV = +1
CL = 1000pF
4 VOUT = 100mVP-P
CL = 220pF
3
2
CL = 100pF
1
CL = 25.5pF
0
-1
-2
CL = 3.5pF
-3
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
FIGURE 38. CHARACTERIZED CLOSED LOOP GAIN vs
CL
6
5
4
3
VS = ±15V
2
CL = 3.5pF
AV = 1
1
Rf = 0, Rg = INF
0
VOUT = 10VP-P
1
-2
RL = 2k
-3
-4
RL = 10k
-5
-6
0
5
10
15
20
25
30
TIME (µs)
FIGURE 40. CHARACTERIZED LARGE SIGNAL 10V
STEP RESPONSE
7
6 VS = ±15V
RL = 10k
5 AV = +1
4 VOUT = 100mVP-P
CL = 1000pF
3
2
CL = 220pF
1
0
CL = 100pF
-1
CL = 25.5pF
-2
-3
1k
CL = 3.5pF
10k
100k
1M
10M
100M
FREQUENCY (Hz)
FIGURE 39. SIMULATED CLOSED LOOP GAIN vs CL
6
5
4
3
VS = ±15V
2
CL = 3.5pF
AV = 1
1
Rf = 0, Rg = INF
0
VOUT = 10VP-P
1
-2
RL = 10k
-3
-4
-5
-6
0
5
10
15
20
25
30
TIME (µs)
FIGURE 41. SIMULATED LARGE SIGNAL 10V STEP
RESPONSE
16
FN6633.3
March 18, 2010
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