LT1124IS8#TR Linear Technology, LT1124IS8#TR Datasheet - Page 12
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LT1124IS8#TR
Manufacturer Part Number
LT1124IS8#TR
Description
IC OPAMP DUAL PREC HS LN 8SOIC
Manufacturer
Linear Technology
Datasheet
1.LT1124CN8PBF.pdf
(18 pages)
Specifications of LT1124IS8#TR
Amplifier Type
General Purpose
Number Of Circuits
2
Slew Rate
4.5 V/µs
Gain Bandwidth Product
12.5MHz
Current - Input Bias
8nA
Voltage - Input Offset
25µV
Current - Supply
2.3mA
Voltage - Supply, Single/dual (±)
±4 V ~ 18 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Output Type
-
Current - Output / Channel
-
-3db Bandwidth
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LT1124/LT1125
PERFORMANCE COMPARISON
Table 2. Guaranteed Performance, V
PARAMETER/UNITS
Voltage Noise, 1kHz
Slew Rate
Gain-Bandwidth Product
Offset Voltage
Offset Current
Bias Current
Supply Current/Amp
Voltage Gain, R
Common Mode Rejection Ratio
Power Supply Rejection Ratio
SO-8 Package
TYPICAL APPLICATIONS
Table 2 summarizes the performance of the LT1124/
LT1125 compared to the low cost grades of alternate
approaches.
The comparison shows how the specs of the LT1124/
LT1125 not only stand up to the industry standard OP-27,
12
THE HIGH GAIN AND WIDE BANDWIDTH OF THE LT1124/LT1125, IS USEFUL IN LOW
FREQUENCY HIGH CLOSED-LOOP GAIN AMPLIFIER APPLICATIONS. A TYPICAL
PRECISION OP AMP MAY HAVE AN OPEN-LOOP GAIN OF ONE MILLION WITH 500kHz
BANDWIDTH. AS THE GAIN ERROR PLOT SHOWS, THIS DEVICE IS CAPABLE OF 0.1%
AMPLIFYING ACCURACY UP TO 0.3Hz ONLY. EVEN INSTRUMENTATION RANGE
SIGNALS CAN VARY AT A FASTER RATE. THE LT1124/LT1125 “GAIN PRECISION —
BANDWIDTH PRODUCT” IS 75 TIMES HIGHER, AS SHOWN.
Gain 1000 Amplifi er with 0.01% Accuracy, DC to 1Hz
L
= 2k
365Ω
1%
LT1124
LT1125
LT1124
LT1125
INPUT
340k
1%
–
+
1/2 LT1124
–15V
15V
15k
5%
Yes – LT1124
100% Tested
100% Tested
100% Tested
S
LT1124CN8
LT1125CN
RN60C FILM RESISTORS
= ±15V, T
2.75
100
140
106
110
4.2
2.7
8.0
1.5
TRIM
20
30
30
20k
A
= 25°C, Low Cost Devices
OUTPUT
Sample Tested
1124/25 TA03
Not Tested
Not Tested
OP-27 GP
5.67
100
100
Yes
4.5
1.7
5.0
0.7
75
80
94
–
–
but in most cases are superior. Normally dual and quad
performance is degraded when compared to singles, for
the LT1124/LT1125 this is not the case.
Gain Error vs Frequency Closed-Loop Gain = 1000
0.001
0.01
OP-270 GP
1.0
0.1
No Limit
No Limit
3.25
0.35
0.1
250
104
1.7
No
20
60
90
–
–
–
–
PRECISION
TYPICAL
OP AMP
GAIN ERROR =
FREQUENCY (Hz)
1
LT1124/LT1125
Sample Tested
CLOSED-LOOP GAIN
OPEN-LOOP GAIN
OP-470 GP
No Limit
1000
2.75
100
105
5.0
1.4
0.4
10
30
60
–
–
–
–
1124/25 TA04
100
nV/√Hz
UNITS
11245fe
V/μV
V/μs
MHz
mA
μV
μV
nA
nA
nA
dB
dB