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LT1112M Datasheet(PDF) 6 Page - Linear Technology

Part # LT1112M
Description  Dual/Quad Low Power Precision, Picoamp Input Op Amps
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1112M Datasheet(HTML) 6 Page - Linear Technology

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6
LT1112/LT1114
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
Input Bias and Offset Current,
Noninverting Bias Current Match
vs Temperature
TEMPERATURE (°C)
–75
–200
–100
0
100
200
–50 –25
0
25
LT1112/14 • TPC01
50
75
100 125
∆IB+
IOS
IB (OVERCANCELLED)
VS = ±15V
IB (UNDERCANCELLED)
Input Bias Current Over
Common-Mode Range
Distribution of Input Bias Current
(In All Packages Except LT1114S)
INPUT OFFSET VOLTAGE (
µV)
–80
0
5
15
20
25
–40
0
20
100
LT1112/14 • TPC06
10
–60
–20
40
60
80
30
TA = 25°C
Distribution of Offset Voltage
Match Drift (LT1112J8, LT1112N8,
LT1114J Packages)
Drift with Temperature
LT1112S8, LT1114N/S
Distribution of Offset Voltage at
VS = ±1.0V (In All Packages)
Distribution of Offset
Voltage Match
INPUT BIAS CURRENT (pA)
–300
0
10
20
30
–200
–100
0
100
LT1112/14 • TPC03
200
300
VS = ±15V
TA = 25°C
Drift with Temperature
LT1112N8/J8, LT1114J
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (
µV/°C)
–0.8
10
15
0.8
LT1112/14 • TPC04
5
0
–0.4
0
0.4
20
–0.6
–0.2
0.2
0.6
850 OP AMPS TESTED
100 LT1112J8
165 LT1112N8
80 LT1114J
VS = ±15V
COMMON-MODE INPUT VOLTAGE (V)
–15
–150
–100
–50
0
50
150
–10
–5
0
5
LT1112/14 • TPC02
10
15
100
IB
VCM
VS = ±15V
TA = 25°C
RINCM = 800GΩ
DEVICE WITH POSITIVE INPUT CURRENT
DEVICE WITH NEGATIVE INPUT CURRENT
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (
µV/°C)
–1.4
0
10
25
–0.6
0.2
0.6
LT1112/14 • TPC05
5
20
15
–1.0
–0.2
1.0
1.4
960 OP AMPS TESTED
240 LT1112S8
80 LT1114N
40 LT1114S
VS = ±15V
∆VOS, OFFSET VOLTAGE MATCH (µV)
–100
15
20
25
60
LT1112/14 • TPC07
10
5
0
–60
–20
20
100
40
–80
–40
0
80
VS = ±15V
TA = 25°C
OFFSET VOLTAGE MATCH DRIFT (
µV/°C)
–0.8
0
5
10
15
20
–0.4
0
0.4
0.8
LT1112/14 • TPC08
25
30
–0.6
–0.2
0.2
0.6
VS = ±15V
342 PAIRS TESTED
OFFSET VOLTAGE MATCH DRIFT (
µV/°C)
–1.6
0
5
10
15
20
–1.2 –0.8 –0.4
0
LT1112/14 • TPC09
0.4
0.8
1.2
1.6
VS = ±15V
364 PAIRS TESTED
Distribution of Offset Voltage
Match Drift (LT1112S8, LT1114N,
LT1114S Packages)


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