Datasheet

6
LT1112/LT1114
CCHARA TERIST
ICS
UW
AT
Y
P
I
CA
LPER
F
O
R
C
E
Input Bias and Offset Current,
Noninverting Bias Current Match
vs Temperature
TEMPERATURE (°C)
–75
–200
INPUT BIAS, OFFSET, MATCH CURRENT (pA)
–100
0
100
200
–50 –25 0 25
LT1112/14 • TPC01
50 75 100 125
∆I
B
+
I
OS
I
B
(OVERCANCELLED)
V
S
= ±15V
I
B
(UNDERCANCELLED)
Input Bias Current Over
Common-Mode Range
Distribution of Input Bias Current
(In All Packages Except LT1114S)
INPUT OFFSET VOLTAGE (µV)
–80
0
PERCENT OF UNITS
5
15
20
25
–40
0
20 100
LT1112/14 • TPC06
10
–60 –20
40
60
80
30
T
A
= 25°C
Distribution of Offset Voltage
Match Drift (LT1112J8, LT1112N8,
LT1114J Packages)
Drift with Temperature
LT1112S8, LT1114N/S
Distribution of Offset Voltage at
V
S
= ±1.0V (In All Packages)
Distribution of Offset
Voltage Match
INPUT BIAS CURRENT (pA)
–300
0
PERCENT OF UNITS
10
20
30
–200
–100 0 100
LT1112/14 • TPC03
200 300
V
S
= ±15V
T
A
= 25°C
Drift with Temperature
LT1112N8/J8, LT1114J
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (µV/°C)
–0.8
PERCENT OF INPUTS
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
V
S
= ±15V
COMMON-MODE INPUT VOLTAGE (V)
–15
–150
INPUT BIAS CURRENT (pA)
–100
–50
0
50
150
–10
–5 0 5
LT1112/14 • TPC02
10 15
100
–
+
I
B
V
CM
V
S
= ±15V
T
A
= 25°C
R
INCM
= 800GΩ
DEVICE WITH POSITIVE INPUT CURRENT
DEVICE WITH NEGATIVE INPUT CURRENT
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (µV/°C)
–1.4
0
PERCENT OF UNITS
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
V
S
= ±15V
∆V
OS
, OFFSET VOLTAGE MATCH (µV)
–100
PERCENT OF UNITS
15
20
25
60
LT1112/14 • TPC07
10
5
0
–60
–20
20
100
40
–80
–40
0
80
V
S
= ±15V
T
A
= 25°C
OFFSET VOLTAGE MATCH DRIFT (µV/°C)
–0.8
0
PERCENT ON UNITS
5
10
15
20
–0.4 0
0.4
0.8
LT1112/14 • TPC08
25
30
–0.6 –0.2 0.2
0.6
V
S
= ±15V
342 PAIRS TESTED
OFFSET VOLTAGE MATCH DRIFT (µV/°C)
–1.6
0
PERCENT OF UNITS
5
10
15
20
–1.2 –0.8 –0.4 0
LT1112/14 • TPC09
0.4 0.8 1.2 1.6
V
S
= ±15V
364 PAIRS TESTED
Distribution of Offset Voltage
Match Drift (LT1112S8, LT1114N,
LT1114S Packages)