LT1112/LT1114
ELECTRICAL CHARACTERISTICS
Note 5:
Offset voltage, supply current and power supply rejection ratio are
measured at the minimum supply voltage.
Note 6:
Matching parameters are the difference between amplifiers A and
D and between B and C on the LT1114; between the two amplifiers on the
LT1112.
Note 7:
This parameter is the difference between two noninverting input
bias currents.
Note 8:
∆CMRR
and
∆PSRR
are defined as follows: (1) CMRR and PSRR
are measured in
µV/V
on the individual amplifiers. (2) The difference is
calculated between the matching sides in
µV/V.
(3) The result is converted
to dB.
Note 9:
This parameter is not 100% tested.
Note 10:
These parameters are not tested. More than 99% of the op amps
tested during product characterization have passed the maximum limits.
100% passed at 1kHz.
Note 11:
The LT1112AC/LT1112C/LT1112S8/LT1112I and LT1114AC/
LT1114C/LT1114S/LT1114I are guaranteed functional over the
temperature range of –40°C to 85°C.
Note 12:
The LT1112AC/LT1112C/LT1112S8/LT1114AC/LT1114C/
LT1114S are guaranteed to meet specified performance from 0°C to 70°C
and are designed, characterized and expected to meet specified
performance from –40°C to 85°C, but are not tested or QA sampled at
these temperatures. The LT1112I/LT1114I are guaranteed to meet
specified performance from –40°C to 85°C.
TYPICAL PERFOR A CE CHARACTERISTICS
Input Bias and Offset Current,
Noninverting Bias Current Match
vs Temperature
INPUT BIAS, OFFSET, MATCH CURRENT (pA)
200
∆I
B+
I
OS
0
I
B
(UNDERCANCELLED)
100
INPUT BIAS CURRENT (pA)
PERCENT OF UNITS
–100
–100
–200
–75 –50 –25 0
25 50 75
TEMPERATURE (°C)
V
S
=
±15V
VCM
100 125
–150
–15
10
–5
0
5
–10
COMMON MODE INPUT VOLTAGE (V)
LT1112/14 • TPC01
Drift with Temperature
LT1112N8/J8, LT1114J
20
850 OP AMPS TESTED
100 LT1112J8
165 LT1112N8
80 LT1114J
Drift with Temperature
LT1112S8, LT1114N/S
25
V
S
=
±15V
20
PERCENT OF UNITS
PERCENT OF INPUTS
15
960 OP AMPS TESTED
240 LT1112S8
80 LT1114N
40 LT1114S
PERCENT OF UNITS
15
10
10
5
5
0
–0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (µV/°C)
LT1112/14 • TPC04
0
–1.4 –1.0 –0.6 –0.2 0.2
0.6 1.0 1.4
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (µV/°C)
LT1112/14 • TPC05
6
+
I
B
–
I
B
(OVERCANCELLED)
U W
Input Bias Current Over
Common Mode Range
150
100
50
0
–50
V
S
=
±15V
T
A
= 25°C
R
INCM
= 800GΩ
DEVICE WITH POSITIVE INPUT CURRENT
DEVICE WITH NEGATIVE INPUT CURRENT
Distribution of Input Bias Current
(In All Packages Except LT1114S)
30
V
S
=
±15V
T
A
= 25°C
20
10
15
0
–300 –200 –100
200
0
100
INPUT BIAS CURRENT (pA)
300
LT1112/14 • TPC02
LT1112/14 • TPC03
Distribution of Offset Voltage at
V
S
=
±1.0V
(In All Packages)
V
S
=
±15V
30
T
A
= 25°C
25
20
15
10
5
0
–80 –60 –40 –20 0 20 40 60 80 100
INPUT OFFSET VOLTAGE (µV)
LT1112/14 • TPC06
111214fb
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
