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| ISL28271_07 Datasheet, PDF (4/14 Pages) Intersil Corporation – Dual Micropower, Single Supply, Rail-to- Rail Input and Output (RRIO) Instrumentation Amplifier | |||
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ISL28271, ISL28272
Typical Performance Curves V+ = +5V, V- = GND, VFB+ = 1/2V+, RL = Open, TA = +25°C, unless otherwise specified.
70
GAIN = 1000
60
GAIN = 500
50
GAIN = 200
GAIN = 100
40
GAIN = 50
30
GAIN = 20
GAIN = 10
20
VCM = 5V
VOUT = 10mVP-P
RL = 10k
90
GAIN = 10,000
80
GAIN = 5,000
70
GAIN = 2,000
GAIN = 1,000
60
GAIN = 500
50
GAIN = 200
GAIN = 100
40
VCM = 5V
VOUT = 10mVP-P
RL = 10k
10
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 1. ISL28271 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN, V+ = VCM = 5V
30
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 2. ISL28272 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN, VCM = V+
70
GAIN = 1000
60
GAIN = 500
50
GAIN = 200
GAIN = 100
40
GAIN = 50
30
GAIN = 20
20
GAIN = 10
VCM = 2.5V
VOUT = 10mVP-P
RL = 10k
10
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 3. ISL28271 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN, V+ = 5V, VCM = 1/2V+
90
GAIN = 10,000
80
GAIN = 5,000
70
GAIN = 2,000
GAIN = 1,000
60
GAIN = 500
50
GAIN = 200
GAIN = 100
40
VCM = 2.5V
VOUT = 10mVP-P
RL = 10k
30
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 4. ISL28272 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN, VCM = 1/2V+
70
60
GAIN = 1000
GAIN = 500
50
GAIN = 200
GAIN = 100
40
GAIN = 50
30
GAIN = 20
GAIN = 10
20
VCM = +10mV
VOUT = 10mVP-P
RL = 10k
10
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 5. ISL28271 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN, V+ = 5V, VCM = 10mV
90
GAIN = 10,000
80
GAIN = 5,000
70
GAIN = 2,000
GAIN = 1,000
60
GAIN = 500
50
GAIN = 200
GAIN = 100
40
VCM = +10mV
VOUT = 10mVP-P
RL = 10k
30
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 6. ISL28272 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN, VCM = V-
4
FN6390.2
August 17, 2007
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