ISL28278, ISL28478
Typical Performance Curves
V
+
= 5V, V
-
= 0V, V
CM
= 2.5V, R
L
= Open, unless otherwise specified.
+1
0
-1
-2
GAIN (dB)
-3
-4
-5
-6
-7
8
1k
V
OUT
= 50mV
P-P
A
V
= 1
C
L
= 3pF
R
F
= 0, R
G
= INF
10k
100k
FREQUENCY (Hz)
1M
5M
V
+
,V
-
= ±2.5V
RL = 10k
V
+
,V
-
= ±2.5V
RL = 1k
V
+
,V
-
= ±1.2V
RL = 1k
GAIN (dB)
V
+
,V
-
= ±1.2V
RL = 10k
45
40
35
30
25
20
15
10
5
0
100
A
V
= 100
R
L
= 10kΩ
C
L
= 3pF
R
F
= 100kΩ
R
G
= 1kΩ
1k
V
+
,V
-
= ±2.5V
V
+
,V
-
= ±1.2V
V
+
,V
-
= ±1.0V
10k
FREQUENCY (Hz)
100k
1M
FIGURE 1. FREQUENCY RESPONSE vs SUPPLY VOLTAGE
FIGURE 2. FREQUENCY RESPONSE vs SUPPLY VOLTAGE
120
80
GAIN
GAIN (dB)
40
0
PHASE
-40
-80
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
80
40
PHASE (°)
GAIN (dB)
0
-40
-80
-120
10M
100
80
PHASE
60
40
200
150
100
50
0
PHASE (°)
20
0
-20
10
GAIN
-50
-100
-150
1M
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 3. A
VOL
vs FREQUENCY @ 100kΩ LOAD
FIGURE 4. A
VOL
vs FREQUENCY @ 1kΩ LOAD
10
0
-10
-20
PSRR (dB)
-30
-40
-50
-60
-70
-80
-90
10
V
+
,V
-
= ±2.5VDC
V
SOURCE
= 1V
P-P
R
L
= 10kΩ
A
V
= +1
PSRR -
CMRR (dB)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
10
V
+
,V
-
= ±2.5VDC
V
SOURCE
= 1V
P-P
R
L
= 10kΩ
PSRR +
-100
10
100
1k
10k
100k
1M
100
1k
10k
100k
1M
FREQUENCY (Hz)
FREQUENCY (Hz)
FIGURE 5. PSRR vs FREQUENCY
FIGURE 6. CMRR vs FREQUENCY
4
FN6145.2
July 11, 2007
INTERSIL [ INTERSIL CORPORATION ]
