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LT1115CN8

LT1115 - Ultra-Low Noise, Low Distortion, Audio Op Amp; Package: PDIP; Pins: 8; Temperature Range: 0°C to 70°C

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Overview of LT1115CN8

The LT1115CN8 is a precision, ultralow noise, low-distortion operational amplifier designed for high-performance audio and instrumentation applications. As a part of the LT1115 series, it stands out for its exceptional noise and distortion specifications, making it an ideal choice for applications demanding superior signal fidelity.

Pinout

Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.

  • OUT (Pin 1): Output pin for the amplified signal.
  • IN- (Pin 2): Inverting input.
  • IN+ (Pin 3): Non-inverting input.
  • V- (Pin 4): Negative power supply.
  • NC (Pin 5): No connection.
  • V+ (Pin 6): Positive power supply.
  • NC (Pin 7): No connection.
  • NC (Pin 8): No connection.

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the LT1115CN8 operational amplifier for a more visual representation.

The circuit diagram above demonstrates a typical application of the LT1115CN8 in an inverting amplifier configuration. External components are connected to set the gain and tailor the operational amplifier's behavior.

Key Features

  • Ultralow Noise and Distortion: The LT1115CN8 is renowned for its ultralow noise and low-distortion characteristics, ensuring high signal integrity in audio and precision instrumentation circuits.
  • High Open-Loop Gain: With a high open-loop gain, this operational amplifier provides excellent accuracy and stability in amplifying weak signals.
  • Wide Bandwidth: The device offers a wide bandwidth, making it suitable for applications requiring the amplification of signals across a broad frequency range.
  • Low Input Offset Voltage and Current: The LT1115CN8 features low input offset voltage and current, contributing to precise signal processing.

Note: For detailed technical specifications, please refer to the LT1115CN8 datasheet.

Application

  • High-End Audio Systems: Ideal for amplifying audio signals with minimal distortion and noise.
  • Precision Instrumentation: Used in instrumentation and measurement applications requiring accurate signal processing.
  • Signal Conditioning: Applied in circuits where low noise and high accuracy are critical for signal conditioning.
  • High-Fidelity Preamplifiers: Suitable for building high-fidelity preamplifiers in audio systems.

Functionality

The LT1115CN8 excels in providing high-performance signal amplification with ultralow noise and distortion. Its wide bandwidth and precision characteristics make it a go-to choice for demanding audio and instrumentation applications.

Usage Guide

  • Power Supply Connection: Connect the V+ (Pin 6) to the positive power supply and V- (Pin 4) to the negative power supply.
  • Input Connection: Connect the signal source to the IN+ (Pin 3) and IN- (Pin 2) inputs.
  • Output Connection: Connect the OUT (Pin 1) to the load or the next stage in the circuit.

Equivalents

For similar functionalities, consider these alternatives to the LT1115CN8:

OPA1612: A precision operational amplifier known for low noise and distortion.
AD797: Another ultralow noise operational amplifier suitable for high-performance audio applications.
OPA211: An operational amplifier with precision characteristics suitable for instrumentation and audio applications.

Frequently Asked Questions

Q: What is the typical noise figure of the LT1115CN8?
A: Consult the datasheet for specific details on the noise figure under recommended operating conditions.

Q: Can the LT1115CN8 operate with a single power supply?
A: The LT1115CN8 typically requires a dual power supply configuration for proper operation. Refer to the datasheet for voltage specifications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid LT1115CN8 Rohs Code No
Part Life Cycle Code Transferred Ihs Manufacturer LINEAR TECHNOLOGY CORP
Part Package Code DIP Package Description DIP, DIP8,.3
Pin Count 8 Manufacturer Package Code N
Reach Compliance Code not_compliant ECCN Code EAR99
HTS Code 8542.33.00.01 Amplifier Type OPERATIONAL AMPLIFIER
Architecture VOLTAGE-FEEDBACK Average Bias Current-Max (IIB) 0.55 µA
Bias Current-Max (IIB) @25C 0.38 µA Common-mode Reject Ratio-Min 104 dB
Common-mode Reject Ratio-Nom 120 dB Frequency Compensation YES (AVCL>=10)
Input Offset Voltage-Max 280 µV JESD-30 Code R-PDIP-T8
JESD-609 Code e0 Low-Offset YES
Moisture Sensitivity Level 1 Neg Supply Voltage Limit-Max -22 V
Neg Supply Voltage-Nom (Vsup) -18 V Number of Functions 1
Number of Terminals 8 Operating Temperature-Max 70 °C
Operating Temperature-Min Package Body Material PLASTIC/EPOXY
Package Code DIP Package Equivalence Code DIP8,.3
Package Shape RECTANGULAR Package Style IN-LINE
Power Supplies +-18 V Qualification Status Not Qualified
Seated Height-Max 3.937 mm Slew Rate-Min 10 V/us
Slew Rate-Nom 15 V/us Supply Current-Max 13 mA
Supply Voltage Limit-Max 22 V Supply Voltage-Nom (Vsup) 18 V
Surface Mount NO Technology BIPOLAR
Temperature Grade COMMERCIAL Terminal Finish TIN LEAD
Terminal Form THROUGH-HOLE Terminal Pitch 2.54 mm
Terminal Position DUAL Unity Gain BW-Nom 70000
Voltage Gain-Min 1500000 Wideband YES
Width 7.62 mm

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