ISL28270_0708 Datasheet, PDF (6/18 Pages) Intersil Corporation – Dual and Quad Channel Micropower, Single Supply, Rail-to-Rail Input and Output (RRIO) Instrumentation Amplifiers

ISL28270, ISL28273, ISL28470
Typical Performance Curves
V₊ = +5V, V_- = 0V V_CM = 1/2V₊, V_EN = V-, R_L = Open, T_A = +25°C, unless otherwise specified.
(Continued)
90
COMMON-MODE INPUT = V- + 10mV
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 = V- + 10mV
60
GAIN = 1000
GAIN = 500
50
GAIN = 200
GAIN = 100
40
GAIN = 50
50
GAIN = 200V/V
GAIN = 100V/V
40
30
GAIN = 20
GAIN = 10
20
30
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 5. ISL28270, ISL28470 FREQUENCY RESPONSE vs
CLOSED LOOP GAIN, V₊ = 5V, V_CM = 10mV
10
1E+00
1E+01
1E+02 1E+03 1E+04
FREQUENCY (Hz)
1E+05
1E+06
FIGURE 6. ISL28273 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN, V₊ = 5V, V_CM = 10mV
45
40
V₊ = 5V
35
30
V₊ = 3.3V
25
20
15
A_V = 100
R_L = 10kΩ
10 ^{CL = 10pF}
R_F/R_G = 99.02
5 ^RF ^{= 221kΩ}
0 ^{RG = 2.23kΩ}
100
1k
V₊ = 2.4V
10k
100k
1M
FREQUENCY (Hz)
FIGURE 7. ISL28270, ISL28470 FREQUENCY RESPONSE vs
SUPPLY VOLTAGE
25
V₊ = 5V
20
V₊ = 3.3V
15
V₊ = 2.4V
10 _{AV = 10}
R = 10kΩ
5
C_L = 10pF
R_F/R_G = 9.08Ω
R_F = 178kΩ
0 ^{RG = 19.6kΩ}
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 8. ISL28273 FREQUENCY RESPONSE vs SUPPLY
VOLTAGE
50
45
C_L = 470pF ^{CL = 820pF}
40
35 _{AV = 100}
V_+, V_- = ±2.5V
R_L = 10kΩ
30 R_F/R_G = 99.02
R_F = 221kΩ
R_G = 2.23kΩ
25
100
1k
C_L = 220pF
C_L = 56pF
10k
100k
1M
FREQUENCY (Hz)
FIGURE 9. ISL28270, ISL28470 FREQUENCY RESPONSE vs
C_LOAD
6
30
25
20
15
10
A_V = 10
V₊ = 5V
R_L = 10kΩ
5 ^{RF/RG = 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 10. ISL28273 FREQUENCY RESPONSE vs C_LOAD
FN6260.4
August 3, 2007