ISL28290 Intersil Corporation, ISL28290 Datasheet - Page 5

• Manufacturer Part Number: ISL28290
• Description: Single And Dual Single Supply Ultra-low Noise, Ultra-low Distortion, Rail-to-rail Output, Op Amp
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 1. GAIN vs FREQUENCY FOR VARIOUS R
100k
FIGURE 5. INPUT IMPEDANCE vs FREQUENCY
10k
100
-1
-2
-3
-4
-5
-6
-7
-8
-1
-2
-3
-4
-5
-6
-7
-8
1M
1k
10
2
1
0
2
1
0
100k
10k
100k
V
A
C
V
+
V
OUT
V
A
R
C
FIGURE 3. -3dB BANDWIDTH vs V
L
V+ = 5V, 3V
ENABLED AND
DISABLED
V
+
V
L
L
= 5V
= +1
= 10pF
SOURCE
= 5V
= 10kΩ
= +1
= 10pF
= 10mV
100k
1M
V
1M
= 1V
P-P
OUT
V
V
OUT
OUT
FREQUENCY (Hz)
FREQUENCY (Hz)
P-P
= 100mV
FREQUENCY (Hz)
1M
= 10mV
= 1V
5
10M
P-P
R
10M
L
R
P-P
P-P
L
= 10k
10M
= 100
R
L
= 1k
V
OUT
100M
100M
= 1mV
100M
R
OUT
L
= 100k
P-P
ISL28190, ISL28290
LOAD
1G
1G
1G
FIGURE 4. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
FIGURE 6. DISABLED OUTPUT IMPEDANCE vs FREQUENCY
FIGURE 2. GAIN vs FREQUENCY FOR VARIOUS C
100k
10k
100
1M
1k
10
-10
-10
70
60
50
40
30
20
10
100k
10
-2
-4
-6
-8
0
8
6
4
2
0
10k
10k
V
V
AV = 100, R
AV = 1, R
AV = 10, R
AV = 1000, R
+
SOURCE
V
A
R
V
= 5V, 3V
+
V
L
OUT
= 5V
= +1
= 10kΩ
= 10mV
F
100k
= 1V
F
100k
= 0, R
1M
F
= 4.42k, R
= 49.9k, R
F
P-P
P-P
= 499k, R
FREQUENCY (Hz)
G
FREQUENCY (Hz)
= INF
FREQUENCY (Hz)
C
L
1M
= 32pF
G
G
10M
C
=499
C
C
G
1M
C
= 499
L
L
L
L
= 499
C
= 110pF
= 57pF
= 20pF
= 92pF
L
= 1pF
10M
V+ = 5V
R
V
OUT
L
100M
= 10k
10M
= 100mV
100M
September 19, 2007
P-P
LOAD
100M
1G
1G