
9
FN6942.2
November 17, 2011
FIGURE 19. FREQUENCY RESPONSE vs CLOSED LOOP
GAIN
FIGURE 20. GAIN vs FREQUENCY vs SUPPLY VOLTAGE
FIGURE 21. GAIN vs FREQUENCY vs CL
FIGURE 22. CMRR vs FREQUENCY, VS = ±2.5V
FIGURE 23. PSRR vs FREQUENCY, VS = ±2.5V
Typical Performance Curves V+ = 5V, V- = 0V, V
CM = 2.5V, RL = Open, T = +25°C, unless
otherwise specified. (Continued)
-10
0
10
20
30
40
50
60
70
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
GAIN
(dB)
AV = 1
AV = 10
AV = 100
AV = 1000
V+ = 5V
VOUT = 10mVP-P
CL = 3.7pF
RL = 100k
Rg = 10k, Rf = 100k
Rg = 100, Rf = 100k
Rg = 1k, Rf = 100k
Rg = OPEN, Rf = 0
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
FREQUENCY (Hz)
NO
RM
ALIZED
GAI
N
(dB
)
100
1k
10k
100k
1M
10M
RL = 100k
AV = +1
VOUT = 10mVP-P
CL = 3.7pF
VS = ±0.8V
VS= ±1.5V
VS = ±0.7V
VS = ±2.75V
-10
-8
-6
-4
-2
0
2
4
6
8
FREQUENCY (Hz)
NO
RMALI
Z
ED
GAIN
(dB
)
100
1k
10k
100k
1M
10M
CL = 824pF
CL = 224pF
CL = 474pF
CL = 51pF
CL = 3.7pF
CL = 104pF
VS = ±2.5V
RL = 100k
AV = +1
VOUT = 10mVP-P
-140
-120
-100
-80
-60
-40
-20
0
20
FREQUENCY (Hz)
CM
RR
(d
B
)
100
1k
10k
100k
1M
10M
VS = ±2.5V
RL = 100k
AV = +1
VCM = 1VP-P
SIMULATION
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
FREQUENCY (Hz)
PS
R
(
d
B)
100
1k
10k
100k
1M
10M
PSRR-
PSRR+
VS = ±2.5V
RL = 100k
AV = +1
VCM = 1VP-P
CL = 16.3pF
10
ISL28233I