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LF357IN

Description

Basic information of LF357IN amplifier:

LF357IN is an OPERATIONAL AMPLIFIER. The commonly used packaging method is DIP,

LF357IN amplifier core information:

The minimum operating temperature of LF357IN is and the maximum operating temperature is 70 °C. Its maximum average bias current is 0.008 µA

How to simply check the efficiency of an amplifier? Looking at its slew rate, the nominal slew rate of LF357IN is 50 V/us. When the op amp is used in closed loop, at a certain closed-loop gain (usually 1 or 2, 10, etc.), the frequency when the LF357IN gain becomes 0.707 times the low-frequency gain is 20000 kHz.

The nominal supply voltage of LF357IN is 15 V, and its corresponding nominal negative supply voltage is -15 V. The input offset voltage of LF357IN is 13000 µV (input offset voltage: the compensation voltage added between the two input terminals to make the output terminal of the operational amplifier 0V (or close to 0V).)

Related dimensions of LF357IN:

LF357IN has 8 terminals. Its terminal position type is: DUAL. Total pins: 8

LF357IN amplifier additional information:

Its temperature grade is: COMMERCIAL. The corresponding JESD-30 code is: R-PDIP-T8. The packaging code of LF357IN is: DIP. The materials used in the LF357IN package are mostly PLASTIC/EPOXY. The package shape is RECTANGULAR.

The form of LF357IN package pins is: IN-LINE. Its terminal form is: THROUGH-HOLE.

CategoryAmplifier circuit   
File Size250KB,14 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Alternative parts:LF357IN
Download Datasheet Parametric View All

LF357IN Overview

Basic information of LF357IN amplifier:

LF357IN is an OPERATIONAL AMPLIFIER. The commonly used packaging method is DIP,

LF357IN amplifier core information:

The minimum operating temperature of LF357IN is and the maximum operating temperature is 70 °C. Its maximum average bias current is 0.008 µA

How to simply check the efficiency of an amplifier? Looking at its slew rate, the nominal slew rate of LF357IN is 50 V/us. When the op amp is used in closed loop, at a certain closed-loop gain (usually 1 or 2, 10, etc.), the frequency when the LF357IN gain becomes 0.707 times the low-frequency gain is 20000 kHz.

The nominal supply voltage of LF357IN is 15 V, and its corresponding nominal negative supply voltage is -15 V. The input offset voltage of LF357IN is 13000 µV (input offset voltage: the compensation voltage added between the two input terminals to make the output terminal of the operational amplifier 0V (or close to 0V).)

Related dimensions of LF357IN:

LF357IN has 8 terminals. Its terminal position type is: DUAL. Total pins: 8

LF357IN amplifier additional information:

Its temperature grade is: COMMERCIAL. The corresponding JESD-30 code is: R-PDIP-T8. The packaging code of LF357IN is: DIP. The materials used in the LF357IN package are mostly PLASTIC/EPOXY. The package shape is RECTANGULAR.

The form of LF357IN package pins is: IN-LINE. Its terminal form is: THROUGH-HOLE.

LF357IN Parametric

Parameter NameAttribute value
MakerSTMicroelectronics
Parts packaging codeDIP
package instructionDIP,
Contacts8
Reach Compliance Codeunknown
ECCN codeEAR99
Is SamacsysN
Amplifier typeOPERATIONAL AMPLIFIER
Maximum average bias current (IIB)0.008 µA
Nominal Common Mode Rejection Ratio100 dB
Maximum input offset voltage13000 µV
JESD-30 codeR-PDIP-T8
Negative supply voltage upper limit-22 V
Nominal Negative Supply Voltage (Vsup)-15 V
Number of functions1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Package shapeRECTANGULAR
Package formIN-LINE
Certification statusNot Qualified
Nominal slew rate50 V/us
Supply voltage upper limit22 V
Nominal supply voltage (Vsup)15 V
surface mountNO
technologyBIPOLAR
Temperature levelCOMMERCIAL
Terminal formTHROUGH-HOLE
Terminal locationDUAL
Nominal Uniform Gain Bandwidth20000 kHz
Base Number Matches1
®
LF155-LF255-LF355
LF156-LF256-LF356
LF157-LF257-LF357
WIDE BANDWIDTH
SINGLE J-FET OPERATIONAL AMPLIFIERS
.
.
.
.
.
.
.
.
.
.
.
HIGH INPUT IMPEDANCE J-FET INPUT
STAGE
HIGH SPEED J-FET OP-AMPs : up to 20MHz,
50V/µs
OFFSET VOLTAGE ADJUSTMENT DOES NOT
DEGRADE DRIFT OR COMMON-MODE
REJECTION AS IN MOST OF MONOLITHIC
AMPLIFIERS
INTERNAL COMPENSATION AND LARGE
DIFFERENTIAL INPUT VOLTAGECAPABILITY
(UP TO V
CC+
)
N
DIP8
(Plastic Package)
D
SO8
(Plastic Micropackage)
TYPICAL APPLICATIONS
PRECISION HIGH SPEED INTEGRATORS
FAST D/A AND CONVERTERS
HIGH IMPEDANCE BUFFERS
WIDEBAND, LOW NOISE, LOW DRIFT
AMPLIFIERS
LOGARITHIMIC AMPLIFIERS
PHOTOCELL AMPLIFIERS
SAMPLE AND HOLD CIRCUITS
ORDER CODES
Part Number
LF355, LF356, LF357
LF255, LF256, LF257
LF155, LF156, LF157
Example :
LF355N
Temperature
Range
0
o
C, +70
o
C
–40 C, +105 C
–55 C, +125 C
o
o
o
o
Package
N
D
PIN CONNECTIONS
(top view)
1
DESCRIPTION
These circuits are monolithic J-FET input operational
amplifiers incorporating well matched, high voltage
J-FET on the same chip with standard bipolar transis-
tors.
This amplifiers feature low input bias and offset cur-
rents, low input offset voltage and input offset voltage
drift,coupledwith offsetadjust which doesnot degrade
drift or common-mode rejection.
The devices are also designed for high slew rate, wide
bandwidth,extremelyfastsettlingtime, lowvoltageand
current noise and a low 1/f noise level.
July 1998
8
7
6
5
1
2
3
4
- Offset Null 1
- Inverting input
- Non-inverting input
- V
CC-
5
6
7
8
-
-
-
-
Offset Null 2
Output
+
V
CC
N.C.
2
3
4
1/14
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