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LT1028 Datasheet(PDF) 6 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) 6 Page - Linear Technology

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6
LT1028/LT1128
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
Supply Current vs Temperature
SUPPLY VOLTAGE (V)
0
1.0
1.25
±15
LT1028/1128 • TPC16
0.75
0.5
±5
±10
±20
1.5
TA = 25°C
AT 10Hz
AT 1kHz
Voltage Noise vs Supply Voltage
TIME AFTER POWER ON (MINUTES)
0
0
4
8
12
16
20
24
123
4
LT1028/1128 • TPC13
5
VS = ±15V
TA = 25°C
METAL CAN (H) PACKAGE
DUAL-IN-LINE PACKAGE
PLASTIC (N) OR CERDIP (J)
TEMPERATURE (°C)
–50
0
1
3
4
5
10
7
0
50
75
LT1028/1128 • TPC17
2
8
9
6
–25
25
100
125
VS = ±15V
VS = ±5V
Bias Current Over the Common-
Mode Range
Warm-Up Drift
Output Short-Circuit Current
vs Time
TIME FROM OUTPUT SHORT TO GROUND (MINUTES)
0
–50
–40
–20
–10
0
50
20
2
LT1028/1128 • TPC18
–30
30
40
10
1
3
VS = ±15V
–50°C
25°C
125°C
–50°C
125°C
25°C
Distribution of Input Offset
Voltage
Input Bias and Offset Currents
Over Temperature
TEMPERATURE (˚C)
–50
40
50
60
25
75
LT1028/1128 • TPC14
30
20
–25
0
50
100
125
10
0
VS = ±15V
VCM = 0V
BIAS CURRENT
OFFSET CURRENT
TEMPERATURE (°C)
–50
–50
–40
–20
–10
0
50
20
0
50
75
LT1028/1128 • TPC11
–30
30
40
10
–25
25
100
125
VS = ±15V
Long-Term Stability of Five
Representative Units
TIME (MONTHS)
0
2
6
10
4
LT1028/1128 • TPC12
–2
–6
–10
1
2
3
5
0
4
8
–4
–8
VS = ±15V
TA = 25°C
t = 0 AFTER 1 DAY PRE-WARM UP
Offset Voltage Drift with
Temperature of Representative Units
COMMON-MODE INPUT VOLTAGE (V)
–15
–80
–60
–20
0
20
–5
5
15
100
LT1028/1128 • TPC15
–40
–10
0
40
60
80
10
RCM =
20V
65nA
≈ 300MΩ VS = ±15V
TA = 25°C
POSITIVE INPUT CURRENT
(UNDERCANCELLED) DEVICE
NEGATIVE INPUT CURRENT
(OVERCANCELLED) DEVICE
OFFSET VOLTAGE (
µV)
–50
12
16
20
30
LT1028/1128 • TPC10
8
4
0
–30
–10
10
50
10
14
18
6
2
20
–40
–20
0
40
VS = ±15V
TA = 25°C
800 UNITS TESTED
FROM FOUR RUNS


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