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LF256

Features: ·HIGH INPUT IMPEDANCE J-FET INPUT STAGE·HIGH SPEED J-FET OP-AMPs : up to 20MHz,50V/µs·OFFSETVOLTAGEADJUSTMENTDOESNOT DEGRADEDRIFT OR COMMON-MODE REJECTION AS IN MOST OF MONOLITHIC AMPLIFIERS·INTERNAL COMPENSATION AND LARGE DIFFERENTIAL INPUTVOLTAGECAPABILITY (UP TO VCC+)Application...

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SeekIC No. : 004393710 Detail

LF256: Features: ·HIGH INPUT IMPEDANCE J-FET INPUT STAGE·HIGH SPEED J-FET OP-AMPs : up to 20MHz,50V/µs·OFFSETVOLTAGEADJUSTMENTDOESNOT DEGRADEDRIFT OR COMMON-MODE REJECTION AS IN MOST OF MONOLITHIC AM...

LF256 Data Sheet

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Part Number:
LF256
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/10/27

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Product Details

Description



Features:

·HIGH INPUT IMPEDANCE J-FET INPUT STAGE
·HIGH SPEED J-FET OP-AMPs : up to 20MHz,50V/µs
·OFFSETVOLTAGEADJUSTMENTDOESNOT DEGRADEDRIFT OR COMMON-MODE REJECTION AS IN MOST OF MONOLITHIC AMPLIFIERS
·INTERNAL COMPENSATION AND LARGE DIFFERENTIAL INPUTVOLTAGECAPABILITY (UP TO VCC+)






Application

·PRECISION HIGH SPEED INTEGRATORS
·FAST D/A AND CONVERTERS
·HIGH IMPEDANCE BUFFERS
·WIDEBAND, LOWNOISE, LOWDRIFT AMPLIFIERS
·LOGARITHIMICAMPLIFIERS
·PHOTOCELL AMPLIFIERS
·SAMPLE AND HOLD CIRCUITS




Pinout

Connection Diagram




Specifications

Gain Bandwidth 5 MHz
Channels 1 Channels
Input OutputType Vcm to V+, Not R-R Out
Slew Rate 12 Volts/usec
Supply Min 10 Volt
Supply Max 44 Volt
Offset Voltage max, 25C 5 mV
Supply Current Per Channel 5 mA
PowerWise Rating 2 1000 uA/MHz
Max Input Bias Current 5 nA
Output Current 25 mA
Voltage Noise 12 nV/root(Hz)
Shut down No
Function Op Amp
Temperature Min -40 deg C
Temperature Max 85 deg C
View Using Catalog


Symbol Parameter Value Unit
VCC Supply Voltage ±22 V
Vi Input Voltage - (note 1) ±20 V
Vid Differential Input Voltage ±40 V
Ptot Power Dissipation 570 mW
Output Short-circuit Duration Infinite
Toper Operating Free Air Temperature Range LF155-LF156-LF157
LF255-LF256-LF257
LF355-LF356-LF357		 -55 to +125
40 to +105
0to70
Tstg Storage Temperature Range 65 to 150





Description

These circuits are monolithic J-FET LF256 input operational amplifiers incorporatingwell matched, high voltage J-FET on the same chip with standard bipolar transis- tors.

This LF256 feature low input bias and offset cur- rents, low input offset voltage and input offset voltage drift,coupledwith offsetadjustwhich doesnotdegrade drift or common-mode rejection.

The LF256 sare also designed for high slew rate,wide bandwidth,extremelyfastsettlingtime, lowvoltageand current noise and a low 1/f noise level.






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