EL8170 Datasheet, PDF (4/14 Pages) Intersil Corporation – Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifiers

EL8170, EL8173
Typical Performance Curves V+ = +5V, V- = 0V, V_CM = +2.5V, R_L = Open, unless otherwise specified.
90
COMMON-MODE INPUT = 1/2V₊
80
GAIN = 10,000V/V
GAIN = 5,000V/V
70
GAIN = 2,000V/V
GAIN = 1,000V/V
60
GAIN = 500V/V
70
COMMON-MODE INPUT = 1/2V₊
GAIN = 1000
60
GAIN = 500
50
GAIN = 200
GAIN = 100
40
GAIN = 50
50
GAIN = 200V/V
30
GAIN = 20
GAIN = 100V/V
40
20
GAIN = 10
30
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 1. EL8170 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN
10
1E+00 1E+01 1E+02 1E+03 1E+04 1E+05 1E+06
FREQUENCY (Hz)
FIGURE 2. EL8173 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN
45
40
V₊ = 5V
35
30
V₊ = 3.3V
25
20
15
A_V = 100
R_L = 10kΩ
10
C_L = 10pF
R_F/R_G = 99.02
5
R_F = 221kΩ
R_G = 2.23kΩ
0
100
1k
V₊ = 2.4V
10k
100k
1M
FREQUENCY (Hz)
FIGURE 3. EL8170 FREQUENCY RESPONSE vs SUPPLY
VOLTAGE
50
45
C_L = 470pF ^{CL = 820pF}
40
35 _{AV = 100}
V₊, V_- = ±2.5V
R_L = 10kΩ
30 ^RF^/RG ^{= 99.02}
R_F = 221kΩ
R_G = 2.23kΩ
25
100
1k
C_L = 220pF
C_L = 56pF
10k
100k
1M
FREQUENCY (Hz)
FIGURE 5. EL8170 FREQUENCY RESPONSE vs C_LOAD
V₊ = 5V
20
V₊ = 3.3V
15
V₊ = 2.4V
10 _{AV = 10}
R = 10kΩ
C_L = 10pF
5 R_F/R_G = 9.08Ω
R_F = 178kΩ
R_G = 19.6kΩ
0
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 4. EL8173 FREQUENCY RESPONSE vs SUPPLY
VOLTAGE
30
25
20
15
10
A_V = 10
V₊ = 5V
R_L = 10kΩ
5
R_F/R_G = 9.08Ω
R_F = 178kΩ
R_G = 19.6kΩ
0
100
1k
C_L = 100pF
C_L = 47pF
C_L = 27pF
C_L = 2.7pF
10k
100k
1M
FREQUENCY (Hz)
FIGURE 6. EL8173 FREQUENCY RESPONSE vs C_LOAD
4
FN7490.6
August 31, 2009