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ISL28274 View Datasheet(PDF) - Intersil

Part Name
Description
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ISL28274 Datasheet PDF : 19 Pages
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ISL28274, ISL28474
Typical Performance Curves
90
COMMON-MODE INPUT = V+
GAIN = 10,000
80
GAIN = 5,000
70
GAIN = 2,000
GAIN = 1,000
60
GAIN = 500
50
GAIN = 200
GAIN = 100
40
30
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 1. AMPLIFIER “A”(INAMP) FREQUENCY
RESPONSE vs CLOSED LOOP GAIN
90
COMMON-MODE INPUT = 1/2V+
GAIN = 10,000
80
GAIN = 5,000
70
GAIN = 2,000
GAIN = 1,000
60
GAIN = 500
50
GAIN = 200
40
GAIN = 100
30
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 2. AMPLIFIER “A”(INAMP) FREQUENCY RESPONSE
vs CLOSED LOOP GAIN. VCM = 1/2V+
90
COMMON-MODE INPUT = VM +10mV
GAIN = 10,000
80
GAIN = 5,000
70
GAIN = 2,000
GAIN = 1,000
60
GAIN = 500
50
GAIN = 200
GAIN = 100
40
30
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 3. AMPLIFIER “A”(INAMP) FREQUENCY
RESPONSE vs CLOSED LOOP GAIN
45
40
VS = 5V
35
30
VS = 2.4V
25
20
15
AV = 100
RL = 10kΩ
10
CL = 10pF
RF/RG = 100
5 RF = 10kΩ
0 RG = 100Ω
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 4. AMPLIFIER “A”(INAMP) FREQUENCY
RESPONSE vs SUPPLY VOLTAGE
50
45
2200pF
1200pF
40
35
AV = 100
R = 10kΩ
30
CL = 10pF
RF/RG = 100
RF = 10kΩ
25 RG = 100Ω
10
100
820pF
56pF
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 5. AMPLIFIER “A”(INAMP) FREQUENCY
RESPONSE vs CLOAD
5
120
100
80
60
AV = 100
40
20
0
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FIGURE 6. AMPLIFIER “A”(INAMP) CMRR vs FREQUENCY
FN6345.0
December 13, 2006
 

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