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LF256N

Description
OP-AMP, 13000 uV OFFSET-MAX, 20 MHz BAND WIDTH, PDIP8
CategoryAnalog mixed-signal IC    Amplifier circuit   
File Size232KB,14 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Related ProductsFound5parts with similar functions to LF256N
Download Datasheet Parametric View All

LF256N Overview

OP-AMP, 13000 uV OFFSET-MAX, 20 MHz BAND WIDTH, PDIP8

LF256N Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerSTMicroelectronics
Parts packaging codeDIP
package instructionPLASTIC, DIP-8
Contacts8
Reach Compliance Code_compli
ECCN codeEAR99
Amplifier typeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Maximum average bias current (IIB)0.005 µA
Maximum bias current (IIB) at 25C0.0001 µA
Nominal Common Mode Rejection Ratio100 dB
frequency compensationYES
Maximum input offset voltage6500 µV
JESD-30 codeR-PDIP-T8
JESD-609 codee0
low-biasYES
low-dissonanceNO
Negative supply voltage upper limit-22 V
Nominal Negative Supply Voltage (Vsup)-20 V
Number of functions1
Number of terminals8
Maximum operating temperature105 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP8,.3
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply+-15/+-20 V
Certification statusNot Qualified
minimum slew rate7.5 V/us
Nominal slew rate12 V/us
Maximum slew rate7 mA
Supply voltage upper limit22 V
Nominal supply voltage (Vsup)20 V
surface mountNO
technologyBIPOLAR
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Nominal Uniform Gain Bandwidth5000 kHz
Minimum voltage gain25000
®
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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LF256IN ST(意法半导体) OP-AMP, 6200uV OFFSET-MAX, 5MHz BAND WIDTH, PDIP8, PLASTIC, DIP-8
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