LT1014AMJ Equivalent & Substitute Parts

Part Overview

The LT1014AMJ is a general-purpose operational amplifier featuring four independent circuits in a 14-CERDIP package. Manufactured by Analog Devices Inc., this device is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design requirements and production continuity. The LT1014AMJ serves applications requiring low-input bias current, low offset voltage, and operation across extended temperature ranges with wide supply voltage compatibility.

Substiute Parts

LT1014AMJ

Analog Devices Inc.In Stock: 6075LT1014AMJ Datasheet

Current PartRFQ

LT1014DIN

Texas InstrumentsIn Stock: 20021LT1014DIN Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LT1014AMJ is determined by equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Amplifier type classification (General Purpose)
• Number of independent circuits (4)
• Slew rate (0.4 V/µs)
• Gain bandwidth product (1 MHz)
• Input bias current (12 nA)
• Input offset voltage (60 µV)
• Supply current per four channels (350 µA)
• Supply voltage range compatibility (minimum 4 V, maximum span)
• Operating temperature range coverage

Mechanical Equivalence Criteria:

• Through-hole mounting configuration
• 14-pin DIP package footprint (0.300", 7.62mm pitch)

The LT1014DIN qualifies as a direct substitute based on matching electrical specifications across all critical parameters. Variations in maximum supply voltage span (30 V versus 44 V) and operating temperature range (-40°C to 105°C versus -55°C to 125°C) represent functional constraints that must be evaluated against specific application requirements. Output current per channel differs (25 mA versus 20 mA), providing enhanced capability in the substitute device.

Parameter Comparison

Engineering Selection Recommendations

LT1014DIN Substitution Assessment:

The LT1014DIN presents a viable substitute for the obsolete LT1014AMJ in applications where the following conditions are satisfied:

1. Supply Voltage Requirement: Applications operating at supply voltages not exceeding 30 V are compatible with the LT1014DIN. Designs requiring the full 44 V maximum supply span of the LT1014AMJ cannot use this substitute without circuit redesign.

2. Temperature Range Requirement: The LT1014DIN operates across -40°C to 105°C. Applications requiring the extended lower temperature operation of the LT1014AMJ (-55°C) must evaluate whether the reduced range is acceptable for the intended environment.

3. Output Current Requirement: The LT1014DIN provides 25 mA per channel output current, exceeding the LT1014AMJ specification of 20 mA. This represents enhanced capability with no functional limitation.

4. Regulatory Compliance: The LT1014DIN carries ROHS3 compliance certification, supporting modern manufacturing and environmental standards. The LT1014AMJ compliance status is not specified in available documentation.

5. Product Lifecycle Status: The LT1014DIN is designated Last Time Buy, indicating limited future availability. Long-term production planning should account for this status.

Footprint Compatibility: Both devices utilize 14-pin DIP packages with identical 0.300" (7.62mm) pitch, ensuring direct PCB layout compatibility without modification.

Frequently Asked Questions (FAQ)

Q: Can the LT1014DIN directly replace the LT1014AMJ in all applications?

A: Direct replacement is possible only when application requirements fall within the LT1014DIN operating envelope. Specifically, supply voltage must not exceed 30 V, and operating temperature must remain within -40°C to 105°C. Applications requiring the full 44 V supply range or -55°C minimum temperature operation require alternative solutions.

Q: What is the significance of the different package designations (14-CDIP versus 14-DIP)?

A: Both designations refer to 14-pin dual-in-line packages with identical 0.300" (7.62mm) pitch and through-hole mounting. The CDIP designation indicates ceramic packaging (LT1014AMJ), while DIP indicates the standard plastic dual-in-line package (LT1014DIN). PCB footprints are mechanically compatible.

Q: How do the electrical specifications compare between these devices?

A: Core electrical specifications are identical: 0.4 V/µs slew rate, 1 MHz gain bandwidth product, 12 nA input bias current, and 60 µV input offset voltage. The LT1014DIN provides superior output current capability (25 mA versus 20 mA per channel). Supply voltage and temperature ranges differ as specified in the parameter comparison table.

Q: What is the impact of the LT1014DIN being designated "Last Time Buy"?

A: Last Time Buy status indicates that the manufacturer will cease production after a specified date. Designs incorporating the LT1014DIN should establish long-term component sourcing strategies or identify alternative solutions for future production requirements.

Q: Are there compliance or certification differences between these parts?

A: The LT1014DIN carries ROHS3 compliance certification. The LT1014AMJ compliance status is not documented in available specifications. Organizations with regulatory requirements for RoHS compliance should prioritize the LT1014DIN.

Q: Can the LT1014DIN be used in high-voltage applications requiring 44 V supply?

A: No. The LT1014DIN maximum supply voltage is 30 V. Applications requiring 44 V operation must use the LT1014AMJ or identify alternative amplifier devices rated for higher supply voltages.