EL8170, EL8173
4
FN7490.7
October 15, 2013
Typical Performance Curves V
+ = +5V, V- = 0V, VCM = +2.5V, RL = Open, unless otherwise specified.
FIGURE 1. EL8170 FREQUENCY RESPONSE vs CLOSED LOOP
GAIN
FIGURE 2. EL8173 FREQUENCY RESPONSE vs CLOSED LOOP
GAIN
FIGURE 3. EL8170 FREQUENCY RESPONSE vs SUPPLY VOLTAGE
FIGURE 4. EL8173 FREQUENCY RESPONSE vs SUPPLY VOLTAGE
FIGURE 5. EL8170 FREQUENCY RESPONSE vs CLOAD
FIGURE 6. EL8173 FREQUENCY RESPONSE vs CLOAD
30
40
50
60
70
80
90
FREQUENCY (Hz)
GAI
N
(
d
B)
1
10
100
1k
10k
100k
1M
GAIN = 100V/V
GAIN = 200V/V
GAIN = 500V/V
GAIN = 1,000V/V
GAIN = 2,000V/V
GAIN = 5,000V/V
GAIN = 10,000V/V
COMMON-MODE INPUT = 1/2V+
10
20
30
40
50
60
70
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
GAIN
(d
B)
GAIN = 500
GAIN = 1000
GAIN = 200
GAIN = 100
GAIN = 50
GAIN = 20
GAIN = 10
COMMON-MODE INPUT = 1/2V+
GAI
N
(d
B)
FREQUENCY (Hz)
AV = 100
0
100
1k
10k
100k
1M
5
10
15
20
25
30
35
40
45
AV = 100
RL = 10k
CL = 10pF
RF/RG = 99.02
RF = 221k
RG = 2.23k
V+ = 3.3V
V+ = 2.4V
V+ = 5V
G
A
IN
(
d
B)
V+ = 3.3V
V+ = 2.4V
V+ = 5V
AV = 10
RL = 10k
CL = 10pF
RF/RG = 99.08
RF = 178k
RG = 19.6k
100
1k
10k
100k
1M
0
5
10
15
20
FREQUENCY (Hz)
25
FREQUENCY (Hz)
CL = 470PF
AV = 100
RL = 10k
V+, V- = ±2.5V
RF/RG = 99.02
RF = 221k
RG = 2.23k
100
1k
10k
100k
1M
25
30
35
40
45
50
GAI
N
(d
B)
CL = 820PF
CL = 220PF
CL = 56PF
AV = 10
RL = 10k
V+ = 5V
RF/RG = 9.08
RF = 178k
RG = 19.6k
FREQUENCY (Hz)
0
CL = 100PF
GAI
N
(
d
B)
100
1k
10k
100k
1M
5
10
15
20
25
30
CL = 27PF
CL = 2.7PF
CL = 47PF