4
FN6921.0
June 18, 2009
Typical Performance Curves V+ = 5V, V- = 0V, VCM = 2.5V, RL = Open
FIGURE 1. INPUT OFFSET VOLTAGE vs COMMON-MODE
INPUT VOLTAGE
FIGURE 2. GAIN vs FREQUENCY vs FEEDBACK RESISTOR
VALUES Rf/Rg
FIGURE 3. GAIN vs FREQUENCY vs VOUT, RL = 10k
FIGURE 4. GAIN vs FREQUENCY vs RL
FIGURE 5. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
FIGURE 6. GAIN vs FREQUENCY vs SUPPLY VOLTAGE
-100
-80
-60
-40
-20
0
20
40
60
80
100
-1
0123456
VCM (V)
V
OS
(V)
V+ = 5V
RL = OPEN
AV = +1000
Rf = 100k, Rg = 100
10k
100k
1M
10M
100M
FREQUENCY (Hz)
G
A
IN
(
d
B)
-10
-8
-6
-4
-2
0
2
4
6
8
10
1k
100
Rf = Ri = 1k
Rf = Ri = 100k
Rf = Ri = 10k
VS = 5V
AV = +2
VOUT = 10mVP-P
CL = 4pF
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
VS = 5V
CL = 4pF
AV = +1
RL = 10k
VOUT = 50mV
VOUT = 100mV
VOUT = 10mV
VOUT = 1V
10k
100k
1M
10M
100M
FREQUENCY (Hz)
NORMALIZE
D
GA
IN
(dB
)
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
10k
100k
1M
10M
100M
FREQUENCY (Hz)
NOR
M
ALIZED
GAIN
(dB)
RL = 10k
V+ = 5V
AV = +1
VOUT = 10mVP-P
CL = 4pF
RL = 1k
RL = 100k
-10
0
10
20
30
40
50
60
70
100
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
AV = 1
AV = 10
AV = 101
AV = 1001
V+ = 5V
VOUT = 10mVP-P
CL = 16.3pF
RL = 10k
GA
IN
(
d
B)
AV = 1001, Rg = 1k, Rf = 1M
AV = 10, Rg = 1k, Rf = 9.09k
AV = 1, Rg = INF, Rf = 0
AV = 101, Rg = 1k, Rf = 100k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
NORM
ALIZED
GAIN
(dB)
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
RL = 10k
AV = +1
VOUT = 10mVP-P
CL = 4pF
VS = 5V
VS = 2.4V
ISL28236