LT1114IN Equivalent & Substitute Parts

Part Overview

The LT1114IN is a general-purpose operational amplifier manufactured by Analog Devices Inc., featuring four independent amplifier circuits in a 14-DIP package. This device is classified as Active product status and is RoHS3 compliant. The LT1114IN operates across a wide supply voltage range of 2V to 40V with an operating temperature range of -40°C to 85°C, making it suitable for diverse analog signal processing applications. Equivalent and substitute parts are identified to provide design flexibility, component availability alternatives, and procurement options while maintaining functional compatibility within specified electrical and mechanical parameters.

Substiute Parts

LT1114IN

Analog Devices Inc.In Stock: 964LT1114IN Datasheet

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AD704JNZ

Analog Devices Inc.In Stock: 2225AD704JNZ Datasheet

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LM324AN/NOPB

Texas InstrumentsIn Stock: 2546LM324AN/NOPB Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LT1114IN are identified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Mechanical Compatibility:

• Package type: 14-DIP (0.300", 7.62mm)
• Mounting type: Through Hole
• Number of circuits: 4 independent amplifier circuits

Electrical Compatibility:

• Amplifier classification: General Purpose
• Supply voltage overlap within specified ranges
• Operating temperature range coverage
• Input bias current and input offset voltage characteristics
• Slew rate and gain bandwidth product performance envelope

Substitute parts must maintain the same physical footprint and pinout configuration to ensure direct board-level replacement capability. Electrical parameters must fall within acceptable ranges for the intended application, with particular attention to supply voltage requirements and temperature operating ranges.

Parameter Comparison

Engineering Selection Recommendations

LT1114IN Primary Application: The LT1114IN is the baseline reference device with extended operating temperature range (-40°C to 85°C) and the widest supply voltage span (2V to 40V). This device is suitable for applications requiring low-temperature operation and high supply voltage tolerance.

AD704JNZ Substitution Criteria: The AD704JNZ is a direct substitute when operating temperature range can be limited to 0°C to 70°C and supply voltage maximum requirement does not exceed 36V. This device maintains similar electrical characteristics with marginally higher input bias current (100 pA versus 70 pA) and input offset voltage (50 µV versus 20 µV). The AD704JNZ is suitable for standard industrial and commercial temperature applications.

LM324AN/NOPB Substitution Criteria: The LM324AN/NOPB is a substitute when operating temperature range can be limited to 0°C to 70°C and supply voltage maximum requirement does not exceed 32V. This device exhibits higher input bias current (45 nA) and input offset voltage (2 mV) compared to the LT1114IN, making it suitable for applications where precision input characteristics are not critical. The LM324AN/NOPB offers higher gain bandwidth product (1 MHz) and higher output current capability (40 mA per channel).

All substitute parts maintain RoHS3 compliance, MSL Level 1 rating, and identical mechanical packaging (14-DIP through-hole configuration), ensuring board-level compatibility.

Frequently Asked Questions (FAQ)

Q: Can the AD704JNZ replace the LT1114IN in all applications?

A: The AD704JNZ is a functional substitute only when the application operating temperature range is limited to 0°C to 70°C and maximum supply voltage does not exceed 36V. The LT1114IN supports extended temperature operation (-40°C to 85°C) and higher supply voltage (up to 40V). Verify application temperature and voltage requirements before substitution.

Q: What are the key electrical differences between LT1114IN and LM324AN/NOPB?

A: The LM324AN/NOPB exhibits significantly higher input bias current (45 nA versus 70 pA) and input offset voltage (2 mV versus 20 µV). The LM324AN/NOPB provides higher gain bandwidth product (1 MHz versus 750 kHz) and higher output current per channel (40 mA versus unspecified). The LM324AN/NOPB is suitable for applications where input precision is not critical but higher bandwidth and output drive capability are beneficial.

Q: Are all three devices pin-compatible?

A: Yes. The LT1114IN, AD704JNZ, and LM324AN/NOPB all use identical 14-DIP (0.300", 7.62mm) through-hole packaging with the same pinout configuration, enabling direct board-level substitution from a mechanical perspective.

Q: What is the primary advantage of the LT1114IN over its substitutes?

A: The LT1114IN provides the widest operating temperature range (-40°C to 85°C) and highest maximum supply voltage (40V), combined with superior input bias current (70 pA) and input offset voltage (20 µV) characteristics. These specifications make the LT1114IN the preferred choice for extended-temperature and high-voltage applications requiring precision input characteristics.

Q: Can the LM324AN/NOPB be used in low-temperature applications?

A: No. The LM324AN/NOPB operating temperature range is 0°C to 70°C, which does not support temperatures below 0°C. For applications requiring operation below 0°C, the LT1114IN (-40°C to 85°C) is the appropriate selection.

Q: What supply voltage range is common to all three devices?

A: The common supply voltage range across all three devices is 4V to 32V. The LT1114IN supports 2V to 40V, the AD704JNZ supports 4V to 36V, and the LM324AN/NOPB supports 3V to 32V. Applications operating outside the 4V to 32V range require device-specific selection.

Q: Are all three devices RoHS3 compliant?

A: Yes. The LT1114IN, AD704JNZ, and LM324AN/NOPB are all RoHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating, meeting current environmental and reliability standards.