TLC2272AQD Equivalent & Substitute Parts

Part Overview

The TLC2272AQD 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 qualified to AEC-Q100 automotive standards with ROHS3 compliance. The TLC2272AQD is classified as obsolete, making substitute parts necessary for ongoing production and design continuity. Alternative models within the TLC2272 and LMC6082 series provide functional equivalence while offering improved availability and product status options.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	Channels
Output Type	Rail-to-Rail	—
Slew Rate	3.6	V/µs
Gain Bandwidth Product	2.25	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	300	µV
Current - Supply (per Channel)	2.4	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	4.4	V
Voltage - Supply Span (Max)	16	V
Operating Temperature	-40 to 125	°C
Grade	Automotive	—
Qualification	AEC-Q100	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TLC2272AQD is determined by strict electrical and mechanical compatibility within the following criteria:

Primary Substitution Criteria:

Amplifier Type: CMOS
Number of Circuits: 2 channels
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Supply Voltage Range: Minimum 4.4 V, Maximum 16 V
Operating Temperature: -40°C to 125°C (or compatible subset)
Automotive Grade and AEC-Q100 Qualification

Substitute Categories:

Category 1: Direct Electrical Equivalents (TLC2272 Series) The TLC2272AQDR maintains identical electrical specifications to the TLC2272AQD, including slew rate (3.6 V/µs), gain bandwidth product (2.25 MHz), and output current (50 mA per channel). The primary difference is product status (Active vs. Obsolete) and packaging format (Tape & Reel vs. tube).

Category 2: Functional Alternatives (LMC6082 Series) The LMC6082AIM/NOPB, LMC6082AIMX/NOPB, LMC6082IM/NOPB, and LMC6082IMX/NOPB devices operate within the same 8-SOIC package and automotive qualification framework. These parts feature different electrical performance characteristics: lower slew rate (1.5 V/µs vs. 3.6 V/µs), lower gain bandwidth product (1.3 MHz vs. 2.25 MHz), reduced supply current (1.1 mA vs. 2.4 mA per channel), and lower output current (34 mA vs. 50 mA per channel). The LMC6082 series exhibits superior input bias current (0.01 pA vs. 1 pA) and lower input offset voltage (150 µV vs. 300 µV). Operating temperature range for LMC6082 variants is -40°C to 85°C, which is narrower than the TLC2272AQD specification.

Parameter Comparison

Parameter	TLC2272AQD (Main)	TLC2272AQDR	LMC6082AIM/NOPB	LMC6082AIMX/NOPB	LMC6082IM/NOPB	LMC6082IMX/NOPB
Amplifier Type	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Number of Circuits	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail
Slew Rate (V/µs)	3.6	3.6	1.5	1.5	1.5	1.5
Gain Bandwidth Product (MHz)	2.25	2.25	1.3	1.3	1.3	1.3
Current - Input Bias (pA)	1	1	0.01	0.01	0.01	0.01
Voltage - Input Offset (µV)	300	300	150	150	150	150
Current - Supply per Channel (mA)	2.4	2.4	1.1	1.1	1.1	1.1
Current - Output / Channel (mA)	50	50	34	34	34	34
Voltage - Supply Span (Min) (V)	4.4	4.4	4.5	4.5	4.5	4.5
Voltage - Supply Span (Max) (V)	16	16	15.5	15.5	15.5	15.5
Operating Temperature (°C)	-40 to 125	-40 to 125	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Grade	Automotive	Automotive	Automotive	Automotive	Automotive	Automotive
Qualification	AEC-Q100	AEC-Q100	AEC-Q100	AEC-Q100	AEC-Q100	AEC-Q100
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)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Obsolete	Active	Last Time Buy	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

The TLC2272AQDR is the primary recommended substitute for the TLC2272AQD. This part maintains all electrical specifications including slew rate, gain bandwidth product, supply current, and output current. The TLC2272AQDR carries Active product status, ensuring long-term availability and supply chain continuity. Both parts meet AEC-Q100 automotive qualification and ROHS3 compliance requirements. The only functional difference is packaging format: TLC2272AQDR is supplied in Tape & Reel format, while the original TLC2272AQD was supplied in tube packaging. This substitution requires no circuit redesign or performance re-evaluation.

For Performance-Optimized Alternatives (LMC6082 Series):

The LMC6082AIMX/NOPB and LMC6082IMX/NOPB are recommended for new designs or applications where reduced power consumption is a design priority. These parts feature Active product status and are available in Cut Tape & Digi-Reel packaging. The LMC6082 series delivers 54% lower supply current (1.1 mA vs. 2.4 mA per channel) and superior input bias current performance (0.01 pA vs. 1 pA). However, these devices exhibit reduced slew rate (1.5 V/µs vs. 3.6 V/µs) and lower gain bandwidth product (1.3 MHz vs. 2.25 MHz), making them unsuitable for high-speed signal processing applications. The operating temperature range is limited to -40°C to 85°C, which excludes the upper temperature specification of the TLC2272AQD (up to 125°C).

Inventory and Availability Considerations:

TLC2272AQDR: 1,900 units in stock (Active status) LMC6082AIMX/NOPB: 2,700 units in stock (Active status) LMC6082IMX/NOPB: 2,165 units in stock (Active status)

All substitute parts maintain automotive-grade qualification and ROHS3 compliance, ensuring regulatory and environmental compliance for automotive and industrial applications.

Frequently Asked Questions (FAQ)

Q1: Can the TLC2272AQDR be used as a direct drop-in replacement for the TLC2272AQD?

A: Yes. The TLC2272AQDR is electrically identical to the TLC2272AQD across all specified parameters: slew rate (3.6 V/µs), gain bandwidth product (2.25 MHz), supply current (2.4 mA per channel), and output current (50 mA per channel). Both devices are housed in the 8-SOIC package with identical pinout and mechanical dimensions. The primary difference is product status (Active vs. Obsolete) and packaging format (Tape & Reel vs. tube). No circuit modifications are required.

Q2: What are the key differences between the TLC2272 and LMC6082 series?

A: The TLC2272AQD and TLC2272AQDR feature higher slew rate (3.6 V/µs) and higher gain bandwidth product (2.25 MHz) compared to the LMC6082 series (1.5 V/µs and 1.3 MHz respectively). The LMC6082 series offers superior input bias current (0.01 pA vs. 1 pA) and lower input offset voltage (150 µV vs. 300 µV). The LMC6082 series also consumes less supply current (1.1 mA vs. 2.4 mA per channel) and provides lower output current capability (34 mA vs. 50 mA per channel). The operating temperature range for LMC6082 is -40°C to 85°C, which is narrower than the TLC2272 range of -40°C to 125°C.

Q3: Are all substitute parts automotive-qualified?

A: Yes. All substitute parts listed—TLC2272AQDR, LMC6082AIM/NOPB, LMC6082AIMX/NOPB, LMC6082IM/NOPB, and LMC6082IMX/NOPB—carry Automotive Grade classification and AEC-Q100 qualification. All parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited).

Q4: Which substitute should I select for high-speed applications?

A: The TLC2272AQDR is the appropriate choice for high-speed applications. It maintains the original slew rate of 3.6 V/µs and gain bandwidth product of 2.25 MHz. The LMC6082 series, with slew rate of 1.5 V/µs and gain bandwidth product of 1.3 MHz, is not suitable for applications requiring higher frequency response or faster signal transitions.

Q5: Which substitute should I select for low-power applications?

A: The LMC6082AIMX/NOPB or LMC6082IMX/NOPB are appropriate for low-power designs. These parts consume 1.1 mA per channel compared to 2.4 mA for the TLC2272 series, representing a 54% reduction in supply current. Both LMC6082 variants with "X" designation (AIMX and IMX) are available in Active product status with Cut Tape & Digi-Reel packaging.

Q6: What is the difference between tube and Tape & Reel packaging?

A: Tube packaging (used for TLC2272AQD and LMC6082AIM/NOPB) is typically used for lower-volume orders and manual assembly. Tape & Reel packaging (TLC2272AQDR) and Cut Tape & Digi-Reel packaging (LMC6082AIMX/NOPB, LMC6082IMX/NOPB) are designed for automated pick-and-place assembly and higher-volume production. The electrical specifications and mechanical dimensions remain identical across all packaging formats.

Q7: Can I use an LMC6082 device in an application originally designed for TLC2272AQD?

A: Substitution depends on application requirements. If the application requires slew rate of 3.6 V/µs or gain bandwidth product of 2.25 MHz, the LMC6082 series is not suitable. If the application operates at temperatures above 85°C, the LMC6082 series exceeds its maximum operating temperature specification. If the application requires output current exceeding 34 mA per channel, the LMC6082 series cannot deliver the required current. For applications within the LMC6082 electrical and thermal specifications, substitution is permissible and offers the benefit of reduced power consumption.

Q8: What is the current inventory status for each substitute part?

A: TLC2272AQDR (Active): 1,900 units in stock. LMC6082AIM/NOPB (Obsolete): 4,050 units in stock. LMC6082AIMX/NOPB (Active): 2,700 units in stock. LMC6082IM/NOPB (Last Time Buy): 4,276 units in stock. LMC6082IMX/NOPB (Active): 2,165 units in stock. For long-term supply assurance, Active status parts (TLC2272AQDR, LMC6082AIMX/NOPB, LMC6082IMX/NOPB) are recommended.

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