TLE2072ACPG4 Equivalent & Substitute Parts

Part Overview

The TLE2072ACPG4 is a J-FET input operational amplifier featuring dual circuits in an 8-DIP package, manufactured by Texas Instruments. This device is classified as obsolete, which necessitates identification of active equivalent and substitute components for ongoing design support and procurement continuity. The TLE2072ACPG4 operates across a wide supply voltage range of 4.5 V to 38 V with low input bias current of 1 pA and is suitable for precision analog applications requiring low noise and high input impedance characteristics.

Substiute Parts

TLE2072ACPG4

Texas InstrumentsIn Stock: 1179TLE2072ACPG4 Datasheet

Current PartRFQ

TLE2072ACP

Texas InstrumentsIn Stock: 4467TLE2072ACP Datasheet

MFR RecommendedRFQ

AD746JNZ

Analog Devices Inc.In Stock: 1231AD746JNZ Datasheet

MFR RecommendedRFQ

AD827JNZ

Analog Devices Inc.In Stock: 1281AD827JNZ Datasheet

MFR RecommendedRFQ

LT1355CN8#PBF

Analog Devices Inc.In Stock: 2008LT1355CN8#PBF Datasheet

MFR RecommendedRFQ

MUSES8820D

Nisshinbo Micro Devices Inc.In Stock: 2985MUSES8820D Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLE2072ACPG4 is determined by strict alignment of electrical and mechanical parameters. The primary substitution criteria are:

Critical Parameters for Substitution:

• Package type: 8-DIP (0.300", 7.62mm) through-hole mounting
• Number of circuits: 2 dual-channel configuration
• Voltage - Input Offset: 300 µV (common across all candidates)
• Operating temperature range: 0°C to 70°C minimum
• Supply voltage compatibility: Minimum 4.5 V to maximum 38 V overlap required
• RoHS3 compliance and REACH unaffected status

Substitution Categories:

Category 1 - Direct J-FET Equivalent: TLE2072ACP represents the active production equivalent from Texas Instruments, maintaining identical electrical specifications and J-FET amplifier topology.

Category 2 - J-FET Alternative (Higher Performance): AD746JNZ from Analog Devices Inc. provides J-FET input characteristics with enhanced slew rate (75 V/µs vs. 45 V/µs) and higher gain bandwidth product (13 MHz vs. 10 MHz), though with increased input bias current (110 pA vs. 1 pA) and higher supply current requirements (7 mA vs. 3.1 mA).

Category 3 - General Purpose Amplifier: AD827JNZ represents a general-purpose amplifier topology with significantly higher performance metrics (300 V/µs slew rate, 50 MHz gain bandwidth product) but with substantially higher input bias current (3.3 µA) and different amplifier architecture.

Category 4 - Voltage Feedback Amplifier: LT1355CN8#PBF employs voltage feedback topology with superior slew rate (400 V/µs) and lower input bias current (80 nA) but operates within a narrower supply voltage range (5 V to 30 V maximum).

Category 5 - Audio Amplifier: MUSES8820D is an audio-grade amplifier with extended operating temperature range (-40°C to 85°C) but with significantly lower slew rate (5 V/µs) and narrower supply voltage range (7 V to 32 V maximum).

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Recommended Primary Choice): TLE2072ACP is the preferred substitute. This component maintains identical electrical specifications to the TLE2072ACPG4, including J-FET input topology, slew rate of 45 V/µs, gain bandwidth product of 10 MHz, and input bias current of 1 pA. The device is in active production status with ROHS3 compliance and REACH unaffected certification. Packaging is identical 8-DIP through-hole configuration. This substitution requires no circuit redesign or performance verification.

For Enhanced Performance Applications: AD746JNZ provides improved slew rate (75 V/µs) and higher gain bandwidth product (13 MHz) while maintaining J-FET input characteristics. However, input bias current increases to 110 pA and supply current rises to 7 mA. Supply voltage range is reduced to 9 V minimum. This substitute is suitable for applications where higher bandwidth is beneficial and the increased input bias current is acceptable.

For High-Speed Applications: AD827JNZ and LT1355CN8#PBF offer significantly higher slew rates (300 V/µs and 400 V/µs respectively) and gain bandwidth products (50 MHz and 12 MHz). These devices employ different amplifier topologies (general purpose and voltage feedback) and exhibit substantially different input bias current characteristics. These substitutes are appropriate only when circuit topology permits and performance requirements justify the architectural change.

For Extended Temperature Range: MUSES8820D operates across -40°C to 85°C, extending the lower temperature limit by 40°C. However, this audio-grade amplifier exhibits significantly reduced slew rate (5 V/µs) and narrower supply voltage range (7 V to 32 V maximum). Selection of this substitute is limited to applications where extended temperature operation is critical and reduced bandwidth is acceptable.

Compliance Verification: All substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original TLE2072ACPG4 specification. All devices are available in active production status except the original part, ensuring long-term procurement availability.

Frequently Asked Questions (FAQ)

Q1: Can TLE2072ACP be used as a direct drop-in replacement for TLE2072ACPG4?

A: Yes. TLE2072ACP is the active production equivalent manufactured by Texas Instruments. All electrical parameters, package configuration, and pin assignments are identical. No circuit modifications are required. The primary difference is product status: TLE2072ACPG4 is obsolete while TLE2072ACP is in active production.

Q2: What are the key differences between J-FET and general-purpose amplifier substitutes?

A: J-FET input amplifiers (TLE2072ACP, AD746JNZ) feature extremely low input bias current (1 pA to 110 pA range) and high input impedance, suitable for high-impedance signal sources. General-purpose amplifiers (AD827JNZ) employ bipolar input stages with significantly higher input bias current (3.3 µA) but offer higher bandwidth and slew rate. Selection depends on whether low input bias current is a circuit requirement.

Q3: Why does AD827JNZ have higher slew rate and bandwidth than the original TLE2072ACPG4?

A: AD827JNZ employs general-purpose amplifier topology optimized for higher frequency operation, achieving 300 V/µs slew rate and 50 MHz gain bandwidth product compared to 45 V/µs and 10 MHz for the TLE2072ACPG4. This performance enhancement comes at the cost of higher input bias current (3.3 µA vs. 1 pA) and different circuit architecture.

Q4: Are all substitute parts compatible with the same PCB layout and socket?

A: Yes. All substitute parts use identical 8-DIP (0.300", 7.62mm) through-hole package configuration with standard DIP pin spacing. PCB layouts and sockets designed for TLE2072ACPG4 accommodate all listed substitutes without mechanical modification.

Q5: What supply voltage range must be verified when selecting a substitute?

A: The original TLE2072ACPG4 operates from 4.5 V to 38 V. Substitute selection must ensure the circuit's supply voltage falls within the substitute's specified range. AD746JNZ and AD827JNZ require minimum 9 V supply. LT1355CN8#PBF maximum supply is 30 V. MUSES8820D operates from 7 V to 32 V. Verify supply voltage compatibility before substitution.

Q6: Which substitute is recommended for low-noise, precision analog applications?

A: TLE2072ACP maintains the original J-FET input characteristics with 1 pA input bias current and is the recommended choice for precision applications requiring low noise and high input impedance. This direct equivalent requires no performance verification or circuit redesign.

Q7: Can MUSES8820D be used in applications requiring the full 4.5 V to 38 V supply range?

A: No. MUSES8820D operates from 7 V minimum to 32 V maximum, which does not cover the original device's full 4.5 V to 38 V range. This substitute is suitable only for applications operating within the 7 V to 32 V window.

Q8: What is the significance of input offset voltage being 300 µV across all substitutes?

A: Input offset voltage of 300 µV is a common specification across all listed substitutes and the original TLE2072ACPG4. This parameter indicates the DC voltage difference between the two input terminals when the output is zero. Consistency across all options simplifies substitution without requiring offset compensation circuit redesign.