TLE2027CDG4 Equivalent & Substitute Parts

Part Overview

The TLE2027CDG4 is a general-purpose operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production continuity. The TLE2027CDG4 belongs to the Excalibur™ series and is ROHS3 compliant with unlimited moisture sensitivity rating.

Substiute Parts

TLE2027CDG4

Texas InstrumentsIn Stock: 1199TLE2027CDG4 Datasheet

Current PartRFQ

TLE2027CD

Texas InstrumentsIn Stock: 1566TLE2027CD Datasheet

MFR RecommendedRFQ

ADA4004-1ARZ

Analog Devices Inc.In Stock: 1266ADA4004-1ARZ Datasheet

MFR RecommendedRFQ

OP27GSZ

Analog Devices Inc.In Stock: 55261OP27GSZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLE2027CDG4 is determined by electrical and mechanical compatibility across the following critical parameters:

Mechanical Compatibility: All substitute parts must use the 8-SOIC surface mount package with 0.154" (3.90mm) width to ensure PCB footprint compatibility.

Electrical Compatibility: Substitute parts must operate within the specified voltage supply range (minimum 8V, maximum 38V) and maintain functional equivalence in amplifier type (general purpose, single circuit configuration).

Performance Parameters: The slew rate (2.8V/µs), gain bandwidth product (13 MHz), input bias current (15 nA), input offset voltage (20 µV), and output current capability (50 mA per channel) define the performance envelope for direct substitution.

Compliance Requirements: All substitute parts must maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1) to meet regulatory and manufacturing standards.

The substitute parts identified—TLE2027CD, ADA4004-1ARZ, and OP27GSZ—share the 8-SOIC package and general-purpose amplifier classification. Variations in operating temperature range, supply current, and specific electrical parameters are documented in the parameter comparison table below.

Parameter Comparison

Engineering Selection Recommendations

TLE2027CD (Texas Instruments): This part is the direct equivalent to the TLE2027CDG4, sharing identical electrical specifications including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current capability. The primary distinction is product status: TLE2027CD is active, whereas TLE2027CDG4 is obsolete. Both operate within the 0°C to 70°C temperature range and maintain the same 8-SOIC package footprint. This substitute is recommended for applications requiring exact electrical performance matching and continuity with the original design.

ADA4004-1ARZ (Analog Devices Inc.): This substitute operates within a broader temperature range (-40°C to 125°C) and exhibits lower supply current consumption (2.2 mA versus 3.8 mA). However, the ADA4004-1ARZ has reduced output current capability (10 mA versus 50 mA per channel), higher input bias current (40 nA versus 15 nA), and higher input offset voltage (40 µV versus 20 µV). The minimum supply voltage requirement is 10V, which exceeds the TLE2027CDG4 specification of 8V. This substitute is suitable for applications where lower power consumption and extended temperature operation are prioritized over output current capability and input precision.

OP27GSZ (Analog Devices Inc.): This substitute maintains the 2.8V/µs slew rate and 15 nA input bias current of the TLE2027CDG4. However, the gain bandwidth product is reduced to 8 MHz (versus 13 MHz), and input offset voltage is 30 µV (versus 20 µV). The operating temperature range extends to -40°C to 85°C. Supply current and output current specifications are not provided for this device. This substitute is applicable to applications where bandwidth requirements are less stringent and extended low-temperature operation is necessary.

All substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity rating, ensuring regulatory and manufacturing process compatibility.

Frequently Asked Questions (FAQ)

Q: Can TLE2027CD be used as a direct replacement for TLE2027CDG4?

A: Yes. The TLE2027CD shares identical electrical specifications with the TLE2027CDG4, including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current, and operating temperature range. Both use the 8-SOIC package. The primary difference is product status: TLE2027CD is active while TLE2027CDG4 is obsolete. Direct substitution is supported for equivalent performance.

Q: What are the limitations of using ADA4004-1ARZ as a substitute?

A: The ADA4004-1ARZ has three significant limitations: (1) reduced output current capability of 10 mA per channel versus 50 mA for the TLE2027CDG4, which restricts load-driving capability; (2) higher input bias current of 40 nA versus 15 nA, affecting precision applications; (3) minimum supply voltage requirement of 10V versus 8V for the TLE2027CDG4. Applications requiring high output current or operation at 8V supply voltage cannot use this substitute. The advantage is lower supply current consumption (2.2 mA) and extended temperature range (-40°C to 125°C).

Q: Is OP27GSZ suitable for high-bandwidth applications?

A: No. The OP27GSZ has a gain bandwidth product of 8 MHz, compared to 13 MHz for the TLE2027CDG4. Applications requiring the full 13 MHz bandwidth cannot use this substitute. The OP27GSZ is suitable only for applications where bandwidth requirements are 8 MHz or lower. The slew rate remains equivalent at 2.8V/µs.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All substitute parts—TLE2027CD, ADA4004-1ARZ, and OP27GSZ—use the 8-SOIC surface mount package with 0.154" (3.90mm) width. PCB footprint compatibility is maintained across all substitutes.

Q: What is the minimum supply voltage for each substitute?

A: TLE2027CDG4 and TLE2027CD require a minimum of 8V. ADA4004-1ARZ requires a minimum of 10V. OP27GSZ requires a minimum of 8V. Applications operating at 8V or 9V supply voltage cannot use the ADA4004-1ARZ.

Q: Do all substitutes maintain the same compliance certifications?

A: Yes. All substitute parts—TLE2027CD, ADA4004-1ARZ, and OP27GSZ—are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1). Regulatory and manufacturing process compatibility is maintained across all substitutes.

Q: Which substitute offers the widest operating temperature range?

A: The ADA4004-1ARZ offers the widest operating temperature range of -40°C to 125°C, compared to 0°C to 70°C for the TLE2027CDG4 and TLE2027CD, and -40°C to 85°C for the OP27GSZ. Selection of extended temperature operation must be balanced against the reduced output current capability and higher minimum supply voltage of the ADA4004-1ARZ.