TLC4502AIDR Equivalent & Substitute Parts

Part Overview

The TLC4502AIDR is a CMOS dual-channel operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This device features rail-to-rail output capability and is designed for general-purpose analog signal conditioning applications. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent functional performance can be achieved within the specified electrical and mechanical parameter ranges for this amplifier category.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	Channels
Output Type	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Voltage - Supply Span (Min)	4	V
Voltage - Supply Span (Max)	6	V
Operating Temperature	-40 to 125	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the TLC4502AIDR are qualified based on the following criteria:

Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure direct PCB footprint compatibility.

Dual-Channel Configuration: All substitutes must contain exactly 2 operational amplifier circuits per package.

Rail-to-Rail Output: All substitutes must provide rail-to-rail output capability to maintain signal swing performance in the application circuit.

Supply Voltage Range: Substitute parts must operate within a supply voltage range that encompasses or overlaps with the TLC4502AIDR specification (4V to 6V minimum/maximum).

Regulatory Compliance: All substitutes must maintain RoHS3 compliance and MSL 1 rating to satisfy manufacturing and environmental requirements.

Product Status: All substitutes must maintain Active product status to ensure continued availability and manufacturer support.

The three qualified substitutes (MAX4252ESA+, MAX4257ESA+, MAX4282ESA+) meet these core criteria while exhibiting variations in slew rate, gain bandwidth product, and supply current that may affect application performance in specific use cases.

Parameter Comparison

Parameter	TLC4502AIDR	MAX4252ESA+	MAX4257ESA+	MAX4282ESA+	Unit
Manufacturer	Texas Instruments	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	—
Number of Circuits	2	2	2	2	Channels
Output Type	Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	—
Slew Rate	2.5	0.3	2.1	0.7	V/µs
Gain Bandwidth Product	4.7	3	22	2	MHz
Current - Input Bias	1	0.1	0.1	50	pA
Voltage - Input Offset	10	70	70	500	µV
Current - Supply (x2 Channels)	2.5	0.42	0.42	0.32	mA
Current - Output / Channel	50	68	68	65	mA
Voltage - Supply Span (Min)	4	2.4	2.4	2.5	V
Voltage - Supply Span (Max)	6	5.5	5.5	5.5	V
Operating Temperature	-40 to 125	-40 to 85	-40 to 85	-40 to 85	°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	—
Product Status	Active	Active	Active	Active	—

Engineering Selection Recommendations

TLC4502AIDR Primary Application: Select the TLC4502AIDR when the application requires the extended operating temperature range (-40°C to 125°C) and the specific slew rate and gain bandwidth characteristics are matched to circuit requirements. This part is suitable for industrial and automotive environments requiring higher temperature operation.

MAX4257ESA+ Selection: The MAX4257ESA+ offers the highest gain bandwidth product (22 MHz) among the substitute options and maintains a slew rate (2.1 V/µs) comparable to the TLC4502AIDR. This substitute is appropriate when bandwidth performance is a primary design criterion, though the operating temperature range is limited to -40°C to 85°C.

MAX4252ESA+ Selection: The MAX4252ESA+ provides the lowest supply current consumption (0.42 mA for dual channels) and the lowest slew rate (0.3 V/µs). This substitute is suitable for power-constrained applications where supply current minimization is critical, with the understanding that transient response will be slower than the primary part.

MAX4282ESA+ Selection: The MAX4282ESA+ offers the lowest gain bandwidth product (2 MHz) and moderate supply current (0.32 mA). This substitute is appropriate for low-frequency signal conditioning applications where bandwidth requirements are minimal and power efficiency is important.

Compliance Basis: All substitutes maintain Active product status, RoHS3 compliance, and MSL 1 rating. Selection among substitutes should be based on the specific electrical performance requirements of the target application circuit, with particular attention to operating temperature range limitations in the MAX4252ESA+, MAX4257ESA+, and MAX4282ESA+ options.

Frequently Asked Questions (FAQ)

Q: Can MAX4252ESA+, MAX4257ESA+, or MAX4282ESA+ be used as direct replacements for TLC4502AIDR in all applications?

A: Direct replacement is possible only when the application circuit does not require the extended operating temperature range of the TLC4502AIDR (-40°C to 125°C). The substitute parts are rated to -40°C to 85°C maximum. Additionally, differences in slew rate, gain bandwidth product, and input offset voltage may affect circuit performance in applications with stringent dynamic or precision requirements.

Q: What is the primary difference between the three substitute options?

A: The MAX4257ESA+ provides the highest gain bandwidth product (22 MHz) for applications requiring faster frequency response. The MAX4252ESA+ offers moderate bandwidth (3 MHz) with very low supply current (0.42 mA). The MAX4282ESA+ provides the lowest bandwidth (2 MHz) and lowest supply current (0.32 mA) for power-constrained, low-frequency applications.

Q: Are all substitute parts available in the same package as the TLC4502AIDR?

A: Yes. All substitute parts use the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring identical PCB footprint compatibility. However, packaging format differs: TLC4502AIDR is supplied in Tape & Reel format, while substitutes are supplied in Tube format.

Q: Do the substitute parts meet the same regulatory and environmental standards as the TLC4502AIDR?

A: Yes. All substitute parts maintain RoHS3 compliance, MSL 1 (Unlimited) moisture sensitivity rating, REACH Unaffected status, and Active product status. ECCN and HTSUS classifications are identical across all parts.

Q: What parameter differences should be evaluated when selecting a substitute?

A: Key parameters to evaluate include: (1) Operating temperature range—TLC4502AIDR extends to 125°C while substitutes limit to 85°C; (2) Slew rate—ranges from 0.3 V/µs to 2.5 V/µs affecting transient response; (3) Gain bandwidth product—ranges from 2 MHz to 22 MHz affecting frequency response; (4) Supply current—ranges from 0.32 mA to 2.5 mA affecting power consumption; (5) Input offset voltage—ranges from 10 µV to 500 µV affecting precision.

Q: Is the difference in supply current significant between the TLC4502AIDR and substitute parts?

A: Yes. The TLC4502AIDR draws 2.5 mA (dual channels), while MAX4282ESA+ draws 0.32 mA, MAX4252ESA+ draws 0.42 mA, and MAX4257ESA+ draws 0.42 mA. For battery-powered or power-constrained applications, the substitute parts offer substantial power efficiency improvements.

Q: Can the TLC4502AIDR be used in applications designed for the MAX4282ESA+?

A: Yes, provided the application circuit does not require the lower supply current of the MAX4282ESA+. The TLC4502AIDR offers superior slew rate (2.5 V/µs vs. 0.7 V/µs) and lower input offset voltage (10 µV vs. 500 µV), making it suitable for higher-performance applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message