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LT1028 Datasheet(PDF) 5 Page - Linear Technology

Part No. LT1028
Description  Ultra Low Noise Precision High Speed Op Amps
Download  20 Pages
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT1028 Datasheet(HTML) 5 Page - Linear Technology

 
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5
LT1028/LT1128
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
10Hz Voltage Noise Distribution
Total Noise vs Matched Source
Resistance
Total Noise vs Unmatched
Source Resistance
Current Noise Spectrum
0.01Hz to 1Hz Voltage Noise
TEMPERATURE (°C)
–50
0
0.8
2.0
0
50
75
LT1028/1128 • TPC09
O.4
1.6
1.2
–25
25
100
125
VS = ±15V
AT 10Hz
AT 1kHz
Voltage Noise vs Temperature
0.1Hz to 10Hz Voltage Noise
TIME (SEC)
08
LT1028/1128 • TPC07
2
4
6
10
10nV
VS = ±15V
TA = 25°C
Wideband Noise, DC to 20kHz
BANDWIDTH (Hz)
100
0.1
1
100k
1M
10M
LT1028/1128 • TPC03
0.01
10
10k
1k
VS = ±15V
TA = 25°C
Wideband Voltage Noise
(0.1Hz to Frequency Indicated)
MATCHED SOURCE RESISTANCE (
Ω)
1
10
100
3
1k
10k
LT1028/1128 • TPC04
1
0.1
VS = ±15V
TA = 25°C
10
30
100 300
3k
AT 10Hz
2 RS NOISE ONLY
AT 1kHz
+
RS
RS
UNMATCHED SOURCE RESISTANCE (
Ω)
1
10
100
3
1k
10k
LT1028/1128 • TPC05
1
0.1
VS = ±15V
TA = 25°C
10
30
100 300
3k
AT 10Hz
2 RS NOISE ONLY
AT 1kHz
RS
TIME (SEC)
080
LT1028/1128 • TPC07
20
40
60
100
10nV
VS = ±15V
TA = 25°C
FREQUENCY (Hz)
10
0.1
1
10
100
100
1k
10k
LT1028/1128 • TPC06
MAXIMUM
TYPICAL
1/f CORNER = 800Hz
1/f CORNER = 250Hz
0.6
0
20
60
80
100
1.0
1.4
1.8
180
LT1020/1120 • TPC01
40
0.8
1.2
120
140
160
1.6
2.0
2.2
8
70
148
158
57
28
7 423 2 22
1
3 2 11 1
VS = ±15V
TA = 25°C
500 UNITS
MEASURED
FROM 4 RUNS
VOLTAGE NOISE DENSITY (nV/
√Hz)
VERTICAL SCALE = 0.5
µV/DIV
HORIZONTAL SCALE = 0.5ms/DIV


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