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LT1055 Datasheet(PDF) 4 Page - Linear Technology

Part No. LT1055
Description  Precision, High Speed, JFET Input Operational Amplifiers
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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 4 page
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4
LT1055/LT1056
TYPICAL PERFORMANCE CHARACTERISTICS
0.1Hz to 10Hz Noise
LT1055/56 G02
COMMON-MODE INPUT VOLTAGE (V)
–15
–120
–80
–40
0
40
120
–10
–5
0
5
10
15
80
–1200
–800
– 400
0
400
1200
800
VS = ±15V
WARMED UP
TA = 125°C
TA = 125°C
TA = 25°C
TA = 70°C
TA = 70°C
A = POSITIVE INPUT CURRENT
B = NEGATIVE INPUT CURRENT
A
B
B
A
Warm-Up Drift
Distribution of Offset Voltage Drift
with Temperature (H Package)*
Input Bias and Offset Currents
vs Temperature
AMBIENT TEMPERATURE (°C)
0
100
300
1000
100
LT1055/56 G01
30
10
3
25
50
75
125
BIAS OR OFFSET CURRENTS
MAY BE POSITIVE OR NEGATIVE
BIAS CURRENT
OFFSET CURRENT
VS = ±15V
VCM = 0V
WARMED UP
Input Bias Current Over the
Common-Mode Range
Distribution of Input Offset
Voltage (N8 Package)
TIME AFTER POWER ON (MINUTES)
0
60
80
100
4
LT1055/56 G05
40
20
0
1
2
3
5
VS = ±15V
TA = 25°C
LT1056CN8
LT1055CN8
LT1056 H PACKAGE
LT1055 H PACKAGE
Long Term Drift of
Representative Units
TIME (MONTHS)
0
50
–50
40
–40
30
–30
20
–20
10
–10
0
4
LT1055/56 GO6
1
2
3
5
VS = ±15V
TA = 25°C
TIME (SECONDS)
0
8
LT1055/56 GO7
2
4
6
10
LT1056
LT1055
FREQUENCY (Hz)
1
100
30
300
LT1055/56 G09
30
10
3
10
100
300
1000
1000
LT1056
1/f CORNER = 28HZ
LT1055
1/f CORNER
= 20HZ
VS = ±15V
TA = 25°C
Voltage Noise vs Frequency
Noise vs Chip Temperature
CHIP TEMPERATURE (°C)
20
1
2
3
5
7
10
10
20
30
50
70
100
40
LT1055/56 G08
10
80
30
50
60
70
f0 = 10kHz
f0 = 1kHz
PEAK-TO-PEAK
NOISE
INPUT OFFSET VOLTAGE (
µV)
–800
80
100
120
800
LT1055/56 G03
60
40
0
–400
0
400
20
160
140
–600
–200
200
600
VS = ±15V
TA = 25°C
550 UNITS
TESTED FROM
TWO RUNS
(LT1056)
50% YIELD
TO
±140µV
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (
µV/°C)
–10
0
20
60
80
100
140
–8
0
4
LT1055/56 G04
40
120
–2
8
10
–6 –4
26
*DISTRIBUTION IN THE PLASTIC (N8) PACKAGE
IS SIGNIFICANTLY WIDER.
VS = ±15V
634 UNITS TESTED
FROM THREE RUNS
50% TO
±1.5µV/°C




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