TLC2272MD Equivalent & Substitute Parts

Part Overview

The TLC2272MD 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 processing applications requiring low input bias current and moderate bandwidth performance.

The TLC2272MD carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for systems utilizing this component.

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 Range	-55 to 125	°C
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 TLC2272MD is determined by strict alignment of electrical and mechanical parameters within the 8-SOIC package form factor. The critical parameters governing substitution eligibility are:

Primary Substitution Criteria:

Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Number of Circuits: 2 channels
Output Type: Rail-to-Rail capability
Amplifier Type: CMOS or General Purpose
Supply Voltage Range: Minimum 4.4 V to 4.75 V; Maximum 15.5 V to 16 V
Operating Temperature: Support for -55°C to 125°C or -40°C to 125°C range

Secondary Performance Parameters:

Slew Rate: 1.1 V/µs to 3.6 V/µs
Gain Bandwidth Product: 1.3 MHz to 4 MHz
Input Bias Current: 0.002 pA to 1 pA
Input Offset Voltage: 150 µV to 1 mV
Supply Current: 750 µA to 2.4 mA per channel
Output Current: 34 mA to 140 mA per channel

Substitute parts are grouped into two categories based on product status and performance characteristics: Direct Equivalents (same base product number with different packaging) and Functional Alternatives (different base product numbers with compatible electrical specifications).

Parameter Comparison

Part Number	Manufacturer	Product Status	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package
TLC2272MD	Texas Instruments	Obsolete	CMOS	3.6	2.25	1	300	2.4	50	4.4	16	-55 to 125	8-SOIC
TLC2272MDR	Texas Instruments	Active	CMOS	3.6	2.25	1	300	2.4	50	4.4	16	-55 to 125	8-SOIC
LMC6082AIM/NOPB	Texas Instruments	Obsolete	CMOS	1.5	1.3	0.01	150	1.1	34	4.5	15.5	-40 to 85	8-SOIC
LMC6082AIMX/NOPB	Texas Instruments	Active	CMOS	1.5	1.3	0.01	150	1.1	34	4.5	15.5	-40 to 85	8-SOIC
LMC6082IM/NOPB	Texas Instruments	Last Time Buy	CMOS	1.5	1.3	0.01	150	1.1	34	4.5	15.5	-40 to 85	8-SOIC
LMC6082IMX/NOPB	Texas Instruments	Active	CMOS	1.5	1.3	0.01	150	1.1	34	4.5	15.5	-40 to 85	8-SOIC
LMC662AIM/NOPB	National Semiconductor	Active	CMOS	1.1	1.4	0.002	1000	0.75	40	4.75	15.5	-40 to 85	8-SOIC
LMC662AIMX/NOPB	Texas Instruments	Active	CMOS	1.1	1.4	0.002	1000	0.75	40	4.75	15.5	-40 to 85	8-SOIC
AD8666ARZ	Analog Devices Inc.	Active	General Purpose	3.5	4	0.2	700	1.15	140	5	16	-40 to 125	8-SOIC
AD8666ARZ-REEL	Analog Devices Inc.	Active	General Purpose	3.5	4	0.2	700	1.15	140	5	16	-40 to 125	8-SOIC
AD8666ARZ-REEL7	Analog Devices Inc.	Active	General Purpose	3.5	4	0.2	700	1.15	140	5	16	-40 to 125	8-SOIC

Engineering Selection Recommendations

Tier 1: Direct Equivalent (Recommended Primary Substitute)

TLC2272MDR is the direct equivalent of TLC2272MD. Both parts share identical electrical specifications, the same 8-SOIC package, and equivalent performance characteristics. The primary distinction is product status: TLC2272MDR is Active, whereas TLC2272MD is Obsolete. TLC2272MDR is manufactured by Texas Instruments and carries ROHS3 compliance with MSL 1 rating. This part is the preferred substitute for direct replacement in new designs and production continuity.

Tier 2: Functional Alternatives with Lower Performance

The LMC6082 series (LMC6082AIM/NOPB, LMC6082AIMX/NOPB, LMC6082IM/NOPB, LMC6082IMX/NOPB) represents a functional alternative with reduced slew rate (1.5 V/µs vs. 3.6 V/µs) and lower gain bandwidth product (1.3 MHz vs. 2.25 MHz). These parts operate within a narrower temperature range (-40°C to 85°C vs. -55°C to 125°C) and support a maximum supply voltage of 15.5 V instead of 16 V. LMC6082AIMX/NOPB and LMC6082IMX/NOPB are Active status parts suitable for applications where reduced performance specifications are acceptable.

Tier 3: Functional Alternatives with Enhanced Performance

The LMC662 series (LMC662AIM/NOPB, LMC662AIMX/NOPB) offers superior input bias current (0.002 pA vs. 1 pA) and lower supply current consumption (750 µA vs. 2.4 mA per channel). However, these parts exhibit reduced slew rate (1.1 V/µs) and lower gain bandwidth product (1.4 MHz). Operating temperature range is limited to -40°C to 85°C. LMC662AIMX/NOPB is Active status with high inventory availability (42,600 units).

Tier 4: Higher Performance Alternative

The AD8666 series (AD8666ARZ, AD8666ARZ-REEL, AD8666ARZ-REEL7) manufactured by Analog Devices Inc. provides enhanced performance with higher slew rate (3.5 V/µs) and superior gain bandwidth product (4 MHz). Output current capability is significantly higher (140 mA vs. 50 mA). All variants are Active status and support the extended temperature range (-40°C to 125°C). Minimum supply voltage is 5 V, which may require circuit redesign in applications utilizing the 4.4 V minimum of TLC2272MD.

Compliance and Certification:

All substitute parts listed carry ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with modern manufacturing and storage requirements. REACH status is Unaffected for all parts. ECCN classification is EAR99 for all components.

Frequently Asked Questions (FAQ)

Q1: Can TLC2272MDR be used as a direct replacement for TLC2272MD?

A: Yes. TLC2272MDR is the direct equivalent of TLC2272MD with identical electrical specifications, package form factor (8-SOIC), and performance characteristics. The only difference is product status: TLC2272MDR is Active while TLC2272MD is Obsolete. TLC2272MDR is the recommended primary substitute.

Q2: What are the key differences between TLC2272MD and LMC6082 series parts?

A: The LMC6082 series exhibits lower slew rate (1.5 V/µs vs. 3.6 V/µs), lower gain bandwidth product (1.3 MHz vs. 2.25 MHz), and narrower operating temperature range (-40°C to 85°C vs. -55°C to 125°C). Supply current is lower (1.1 mA vs. 2.4 mA per channel). These parts are suitable only for applications where reduced performance specifications are acceptable.

Q3: Why does AD8666 require a minimum supply voltage of 5 V instead of 4.4 V?

A: The AD8666 is a general-purpose amplifier with different internal architecture compared to the CMOS-based TLC2272MD. The higher minimum supply voltage (5 V) is a characteristic of this device family. Applications requiring operation below 5 V must use TLC2272MDR or LMC6082 series alternatives.

Q4: Are all substitute parts available in the same packaging options?

A: All substitute parts are housed in 8-SOIC surface mount packages with identical physical dimensions (0.154", 3.90mm Width). However, packaging formats differ: some are supplied in Tube, others in Cut Tape (CT) & Digi-Reel®, or Bulk. Verify packaging compatibility with your procurement and assembly processes.

Q5: Which substitute part offers the lowest power consumption?

A: The LMC662 series offers the lowest supply current at 750 µA per channel (vs. 2.4 mA for TLC2272MD). LMC662AIMX/NOPB is the Active status variant with the highest inventory availability (42,600 units). This part is suitable for battery-powered or low-power applications where reduced bandwidth is acceptable.

Q6: Can I use AD8666 in place of TLC2272MD without circuit modifications?

A: AD8666 can be used as a functional substitute if your circuit operates at supply voltages of 5 V or higher. The higher minimum supply voltage (5 V vs. 4.4 V) may require circuit redesign for applications utilizing lower supply voltages. Additionally, the higher output current capability (140 mA vs. 50 mA) and enhanced bandwidth (4 MHz vs. 2.25 MHz) may affect circuit behavior in sensitive applications.

Q7: What is the difference between LMC6082AIM/NOPB and LMC6082AIMX/NOPB?

A: Both parts have identical electrical specifications. The primary difference is packaging format: LMC6082AIM/NOPB is supplied in Tube packaging, while LMC6082AIMX/NOPB is supplied in Cut Tape (CT) & Digi-Reel® format. LMC6082AIMX/NOPB is Active status with higher inventory (2,700 units).

Q8: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification, ensuring compatibility with RoHS-regulated applications and modern manufacturing standards.

Q9: Which substitute part has the lowest input offset voltage?

A: The LMC662 series has the lowest input offset voltage at 150 µV (LMC6082 series) or 1 mV (LMC662 series), compared to 300 µV for TLC2272MD. However, the LMC662 series exhibits lower slew rate and bandwidth, making it suitable only for precision, low-speed applications.

Q10: What is the recommended substitute for new design implementations?

A: For new designs requiring specifications identical to TLC2272MD, use TLC2272MDR. For applications where enhanced performance is beneficial, consider AD8666ARZ or AD8666ARZ-REEL7. For low-power applications, LMC662AIMX/NOPB is recommended. All three options are Active status with adequate inventory availability.

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