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LT1457

Features: `Handles 10,000pF Capacitive Load` 450V Max Offset Voltage` 1200V Max Offset Voltage in S8 Package` 50pA Bias Current at 70°C`13nV/Hz Voltage Noise`4V/ s Slew Rate` 4V/°C Drift` 130dB Channel SeparationApplication·Sample-and-Hold (Drives Large Hold Capacitors)·A/D and D/A Converters·Phot...

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SeekIC No. : 004400597 Detail

LT1457: Features: `Handles 10,000pF Capacitive Load` 450V Max Offset Voltage` 1200V Max Offset Voltage in S8 Package` 50pA Bias Current at 70°C`13nV/Hz Voltage Noise`4V/ s Slew Rate` 4V/°C Drift` 130dB Chan...

LT1457 Data Sheet

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Part Number:
LT1457
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

 `Handles 10,000pF Capacitive Load
 ` 450V Max Offset Voltage
 ` 1200V Max Offset Voltage in S8 Package
 ` 50pA Bias Current at 70°C
 `13nV/Hz Voltage Noise
 `4V/ s Slew Rate
 ` 4V/°C Drift
 ` 130dB Channel Separation


Application

·Sample-and-Hold (Drives Large Hold Capacitors)
·A/D and D/A Converters
·Photodiode Amplifiers
· Voltage-to-Frequency Converters




Pinout

Connection Diagram


Specifications

Supply Voltage ...................................................... ±20V
Differential Input Voltage ....................................... ±40V
Input Voltage .......................... Equal to Supply Voltages
Output Short-Circuit Duration .......................... Indefinite
Operating Temperature Range ........... 40°C to 85°C
Storage Temperature Range ............. 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C


Description

The LT1457 is a dual, JFET input op amp optimized for handling large capacitive loads in combination with precision performance.

Precision specifications include 220 V offset voltage in plastic and surface mount packages. At 70°C input bias current is 50pA, input offset current is 20pA. Channel separation is 130dB.

Other dual JFET input op amps from Linear Technology include the LT1057, which is three times faster than the LT1457 but at the expense of significantly lower capacitive load handling capability; and the LT1113 with 4.5nV/ Hz voltage noise.




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