ISL28470 Intersil Corporation, ISL28470 Datasheet - Page 6

• Manufacturer Part Number: ISL28470
• Description: (ISL28270 - ISL28470) Rail-to-Rail Input and Output (RRIO) Instrumentation Amplifier
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 5. ISL28270, ISL28470 FREQUENCY RESPONSE vs
FIGURE 7. ISL28270, ISL28470 FREQUENCY RESPONSE vs
FIGURE 9. ISL28270, ISL28470 FREQUENCY RESPONSE vs
90
80
70
60
50
40
30
1
50
45
40
35
30
25
45
40
35
30
25
20
15
10
100
5
0
100
A
V
R
R
R
R
A
R
C
R
R
R
V
S
L
F
F
G
CLOSED LOOP GAIN (V+ = 5V, V
V
SUPPLY VOLTAGE
C
L
L
F
F
G
/R
/R
GAIN = 500V/V
GAIN = 200V/V
GAIN = 100V/V
= 100
= ±2.5V
= 10kΩ
= 221kΩ
LOAD
= 100
= 10kΩ
= 10pF
= 221kΩ
= 2.23kΩ
10
= 2.23kΩ
G
G
= 99.02
= 99.02
1k
1k
100
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
COMMON-MODE INPUT = V
6
10k
10k
1k
C
C
GAIN = 10,000V/V
V
L
L
S
= 470pF
= 220pF
= 3.3V
C
V
GAIN = 5,000V/V
10k
L
S
100k
GAIN = 2,000V/V
= 56pF
= 2.4V
(Continued)
GAIN = 1,000V/V
100k
ISL28270, ISL28273, ISL28470
C
CM
L
V
= 820pF
S
100k
= 10mV)
= 5V
M
1M
+10mV
1M
1M
FIGURE 10. ISL28273 FREQUENCY RESPONSE vs C
FIGURE 6. ISL28273 FREQUENCY RESPONSE vs CLOSED
FIGURE 8. ISL28273 FREQUENCY RESPONSE vs SUPPLY
70
60
50
40
30
20
10
1E+00
25
20
15
10
30
25
20
15
10
5
0
100
5
0
100
A
R = 10kΩ
C
R
R
R
A
V
R
R
R
R
V
L
F
F
G
V
+
L
F
F
G
/R
/R
= 10
= 10pF
= 178kΩ
= 10
= 5V
1E+01
= 19.6kΩ
= 10kΩ
= 178kΩ
= 19.6kΩ
LOOP GAIN (VCM = V-)
VOLTAGE
G
GAIN = 1000
GAIN = 500
GAIN = 200
GAIN = 100
GAIN = 50
GAIN = 20
GAIN = 10
G
= 9.08Ω
= 9.08Ω
1k
1k
1E+02
FREQUENCY (Hz)
COMMON-MODE INPUT = V
FREQUENCY (Hz)
FREQUENCY (Hz)
1E+03
10k
10k
V
+
= 3.3V
C
C
1E+04
V
L
L
+
= 47pF
= 27pF
= 5V
V
100k
+
C
= 2.4V
100k
L
= 2.7pF
1E+05
C
L
M
= 100pF
+10mV
April 13, 2007
1M
LOAD
1E+06
1M
FN6260.2