TLC4501CDG4 Equivalent & Substitute Parts

Part Overview

The TLC4501CDG4 is a general-purpose operational amplifier manufactured by Texas Instruments, featuring rail-to-rail output capability in an 8-SOIC surface mount package. This device is part of the LinEPIC™ and Self-Cal™ series and is designed for applications requiring low input bias current and precision amplification.

The TLC4501CDG4 has been discontinued at DiGi Electronics, necessitating identification of equivalent substitute components for ongoing design support and procurement. Substitute parts must maintain functional compatibility through matching electrical specifications and mechanical packaging requirements.

Substiute Parts

TLC4501CDG4

Texas InstrumentsIn Stock: 991TLC4501CDG4 Datasheet

Current PartRFQ

TLC4501CD

Texas InstrumentsIn Stock: 899TLC4501CD Datasheet

MFR RecommendedRFQ

MAX4091ASA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1125MAX4091ASA+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TLC4501CDG4 are identified based on strict electrical and mechanical compatibility criteria. The primary substitution logic is based on the following parameters:

Critical Matching Parameters:

• Package type: 8-SOIC surface mount form factor
• Amplifier classification: General-purpose operational amplifier
• Output configuration: Rail-to-rail output
• Number of circuits: Single amplifier per package
• Supply voltage range compatibility
• Mounting technology: Surface mount

Substitution Categories:

Category 1: Direct Manufacturer Equivalent The TLC4501CD is the tube-packaged variant of the same base product number (TLC4501). This part maintains identical electrical specifications and package geometry, differing only in packaging format (tube versus tape-and-reel).

Category 2: Cross-Manufacturer Substitute The MAX4091ASA+ from Analog Devices Inc./Maxim Integrated is a general-purpose operational amplifier in 8-SOIC packaging with rail-to-rail output. While electrical parameters differ from the TLC4501CDG4, this device operates within compatible supply voltage ranges and maintains the same mechanical package footprint, enabling PCB-level substitution.

Parameter Comparison

Engineering Selection Recommendations

TLC4501CD Selection Criteria: The TLC4501CD is the primary substitute for the TLC4501CDG4. Both parts share identical electrical specifications and mechanical packaging. The TLC4501CD differs only in packaging format (tube versus tape-and-reel). This part is currently in Last Time Buy status, indicating limited future availability. Selection of TLC4501CD is appropriate for applications requiring exact electrical parameter matching and is suitable for immediate procurement before discontinuation.

MAX4091ASA+ Selection Criteria: The MAX4091ASA+ is a cross-manufacturer substitute suitable for applications where the TLC4501CDG4 is unavailable and electrical parameter variations are acceptable. This device is currently in Active product status, ensuring long-term availability. The MAX4091ASA+ operates within a wider supply voltage range (2.7V to 6V versus 4V to 6V) and supports an extended operating temperature range (-40°C to 125°C versus 0°C to 70°C). However, the MAX4091ASA+ exhibits lower slew rate (0.2V/µs versus 2.5V/µs) and lower gain bandwidth product (500 kHz versus 4.7 MHz), making it unsuitable for high-speed applications. All three parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring regulatory and environmental compatibility.

Frequently Asked Questions (FAQ)

Q: Can the TLC4501CD be used as a direct replacement for the TLC4501CDG4?

A: Yes. The TLC4501CD is a direct electrical equivalent of the TLC4501CDG4. Both parts share identical specifications for slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current, and supply voltage range. The only difference is packaging format: TLC4501CDG4 is supplied in tape-and-reel format, while TLC4501CD is supplied in tube format. PCB footprint and pinout are identical.

Q: What are the key differences between the TLC4501CDG4 and MAX4091ASA+?

A: The TLC4501CDG4 and MAX4091ASA+ differ in several electrical parameters. The TLC4501CDG4 has a slew rate of 2.5V/µs and gain bandwidth product of 4.7 MHz, while the MAX4091ASA+ has a slew rate of 0.2V/µs and gain bandwidth product of 500 kHz. The MAX4091ASA+ has lower supply current (130µA versus 1mA) and higher input bias current (20nA versus 1pA). The MAX4091ASA+ supports a wider supply voltage range (2.7V to 6V) and extended operating temperature range (-40°C to 125°C). Both maintain identical 8-SOIC package geometry and rail-to-rail output configuration.

Q: Is the MAX4091ASA+ suitable for high-speed signal processing applications?

A: No. The MAX4091ASA+ has significantly lower slew rate (0.2V/µs) and gain bandwidth product (500 kHz) compared to the TLC4501CDG4 (2.5V/µs and 4.7 MHz respectively). Applications requiring fast signal transients or high-frequency amplification should use the TLC4501CD instead.

Q: Are all three parts RoHS compliant?

A: Yes. The TLC4501CDG4, TLC4501CD, and MAX4091ASA+ are all ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard PCB assembly processes and environmental regulations.

Q: What is the difference between TLC4501CDG4 and TLC4501CD packaging?

A: The TLC4501CDG4 is supplied in tape-and-reel format (standard for automated assembly), while the TLC4501CD is supplied in tube format (standard for manual handling and lower-volume applications). Electrical specifications and PCB footprint are identical. Selection depends on assembly process requirements and procurement volume.

Q: Can the MAX4091ASA+ be used in applications designed for the TLC4501CDG4?

A: Substitution is possible only if the application can tolerate lower slew rate (0.2V/µs versus 2.5V/µs) and lower gain bandwidth product (500 kHz versus 4.7 MHz). Applications with strict bandwidth or transient response requirements should not use the MAX4091ASA+. The MAX4091ASA+ is suitable for low-speed, low-power applications where extended temperature range and lower supply current are beneficial.