TLC27L2BID Equivalent & Substitute Parts

Part Overview

The TLC27L2BID is a CMOS amplifier integrated circuit manufactured by Texas Instruments, configured as a dual-channel operational amplifier in an 8-SOIC surface mount package. This device is classified as a LinCMOS™ series component and is currently listed with an obsolete product status. The TLC27L2BID operates across a supply voltage range of 4 V to 16 V with an operating temperature range of -40°C to 85°C, making it suitable for low-power analog signal processing applications.

Due to its obsolete status, locating new original inventory of the TLC27L2BID may present procurement challenges. Identifying equivalent and substitute parts ensures design continuity and maintains access to functionally compatible alternatives that meet the same electrical and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	TLC27L2BID
Manufacturer	Texas Instruments
Category	Linear, Amplifiers
Amplifier Type	CMOS
Number of Circuits	2
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Slew Rate	0.03 V/µs
Gain Bandwidth Product	110 kHz
Current - Input Bias	0.6 pA
Voltage - Input Offset	240 µV
Current - Supply	20 µA (x2 Channels)
Current - Output / Channel	30 mA
Voltage - Supply Span (Min)	4 V
Voltage - Supply Span (Max)	16 V
Operating Temperature	-40°C ~ 85°C
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TLC27L2BID is determined by compatibility across the following critical parameters:

Electrical Compatibility Criteria:

Amplifier Type: CMOS technology
Number of Circuits: Dual-channel configuration (2 circuits)
Package / Case: 8-SOIC form factor with 0.154" (3.90mm) width
Mounting Type: Surface Mount
Voltage - Supply Span: Minimum 4 V to Maximum 16 V operating range
Operating Temperature: Support for -40°C to 85°C range

Performance Parameters:

Slew Rate: 0.03 V/µs to 0.04 V/µs range
Gain Bandwidth Product: 100 kHz to 110 kHz range
Current - Input Bias: 0.6 pA to 1 pA range
Voltage - Input Offset: 240 µV to 900 µV range
Current - Supply: 10 µA to 20 µA per channel
Current - Output / Channel: 30 mA to 45 mA

Substitute parts are grouped into two categories based on these parameters:

Category 1: Direct Texas Instruments Substitutes Parts maintaining identical electrical specifications and LinCMOS™ series designation with improved product status (Active).

Category 2: STMicroelectronics Cross-Substitutes Parts offering compatible CMOS dual-channel amplifier functionality with enhanced performance characteristics while maintaining 8-SOIC package compatibility and extended temperature range support.

Parameter Comparison

Parameter	TLC27L2BID	TLC27L2BIDR	TS27L2BIDT	TS27L2ACDT	TS27L2AIDT	TS272BIDT	TS272ACDT
Manufacturer	Texas Instruments	Texas Instruments	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Amplifier Type	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Number of Circuits	2	2	2	2	2	2	2
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Slew Rate	0.03 V/µs	0.03 V/µs	0.04 V/µs	0.04 V/µs	0.04 V/µs	5.5 V/µs	5.5 V/µs
Gain Bandwidth Product	110 kHz	110 kHz	100 kHz	100 kHz	100 kHz	3.5 MHz	3.5 MHz
Current - Input Bias	0.6 pA	0.6 pA	1 pA	1 pA	1 pA	1 pA	1 pA
Voltage - Input Offset	240 µV	240 µV	250 µV	900 µV	1.1 mV	250 µV	900 µV
Current - Supply	20 µA (x2)	20 µA (x2)	10 µA (x2)	10 µA (x2)	10 µA (x2)	1 mA (x2)	1 mA (x2)
Current - Output / Channel	30 mA	30 mA	45 mA	45 mA	45 mA	45 mA	45 mA
Voltage - Supply Span (Min)	4 V	4 V	3 V	3 V	3 V	3 V	3 V
Voltage - Supply Span (Max)	16 V	16 V	16 V	16 V	16 V	16 V	16 V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	0°C ~ 70°C	-40°C ~ 125°C	-40°C ~ 125°C	0°C ~ 70°C
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: TLC27L2BIDR

The TLC27L2BIDR is the direct manufacturer-recommended substitute for the TLC27L2BID. This Texas Instruments part maintains identical electrical specifications including slew rate (0.03 V/µs), gain bandwidth product (110 kHz), input bias current (0.6 pA), and input offset voltage (240 µV). The TLC27L2BIDR operates within the same supply voltage range (4 V to 16 V) and temperature range (-40°C to 85°C). The critical distinction is product status: TLC27L2BIDR is classified as Active, ensuring continued availability and manufacturing support. Both parts are ROHS3 compliant with MSL 1 rating. The packaging differs only in format (Cut Tape & Digi-Reel® versus Tube), which does not affect electrical or mechanical compatibility.

Secondary Recommendation: TS27L2BIDT

The TS27L2BIDT from STMicroelectronics provides a compatible CMOS dual-channel amplifier in 8-SOIC package format. This part operates across an extended temperature range (-40°C to 125°C) compared to the original specification. Electrical parameters remain within acceptable substitution ranges: slew rate of 0.04 V/µs, gain bandwidth product of 100 kHz, input bias current of 1 pA, and input offset voltage of 250 µV. The minimum supply voltage is reduced to 3 V, providing greater flexibility in low-voltage applications. Current supply consumption is reduced to 10 µA per channel, offering improved power efficiency. The TS27L2BIDT is Active status with ROHS3 compliance.

Alternative Consideration: TS272BIDT

The TS272BIDT represents a higher-performance alternative when application requirements permit increased slew rate and bandwidth. This STMicroelectronics part features significantly enhanced performance: slew rate of 5.5 V/µs and gain bandwidth product of 3.5 MHz. The extended temperature range (-40°C to 125°C) and reduced minimum supply voltage (3 V) provide operational flexibility. However, the substantially increased supply current (1 mA per channel versus 10-20 µA) and different input offset voltage (250 µV) require circuit evaluation to confirm suitability. This part is appropriate only when higher bandwidth and slew rate are required by the application.

Compliance Verification

All recommended substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage protocols. All parts are classified as REACH Unaffected with EAR99 export classification, matching the regulatory status of the original TLC27L2BID.

Frequently Asked Questions (FAQ)

Q: Can the TLC27L2BIDR be used as a direct replacement for the TLC27L2BID in existing designs?

A: Yes. The TLC27L2BIDR is the manufacturer-recommended direct substitute. Electrical specifications are identical, including slew rate, gain bandwidth product, input bias current, and input offset voltage. Operating temperature range and supply voltage specifications match exactly. The only difference is packaging format (Cut Tape & Digi-Reel® versus Tube) and product status (Active versus Obsolete). No circuit modifications are required.

Q: What are the key differences between the TLC27L2BIDR and TS27L2BIDT?

A: Both parts are CMOS dual-channel amplifiers in 8-SOIC packages with compatible electrical performance. The TLC27L2BIDR is manufactured by Texas Instruments with specifications matching the original TLC27L2BID exactly. The TS27L2BIDT is manufactured by STMicroelectronics with minor parameter variations: slew rate of 0.04 V/µs (versus 0.03 V/µs), gain bandwidth product of 100 kHz (versus 110 kHz), input offset voltage of 250 µV (versus 240 µV), and reduced supply current of 10 µA per channel (versus 20 µA). The TS27L2BIDT supports an extended temperature range of -40°C to 125°C and operates at a minimum supply voltage of 3 V.

Q: Is the TS272BIDT suitable as a substitute for the TLC27L2BID?

A: The TS272BIDT is mechanically and electrically compatible in terms of package format and dual-channel CMOS configuration. However, it represents a higher-performance device with significantly different electrical characteristics. The slew rate is 5.5 V/µs (versus 0.03 V/µs), and gain bandwidth product is 3.5 MHz (versus 110 kHz). Supply current is substantially higher at 1 mA per channel. This part is suitable only when the application requires higher bandwidth and slew rate performance. Circuit evaluation is necessary to confirm compatibility with existing designs.

Q: What is the significance of the operating temperature range differences?

A: The original TLC27L2BID operates from -40°C to 85°C. The TS27L2BIDT and TS272BIDT extend this range to -40°C to 125°C. This extended range provides greater flexibility for applications requiring operation at elevated temperatures. However, if the original design operates only within the -40°C to 85°C range, the extended temperature capability of substitute parts does not affect circuit performance or reliability.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All recommended substitute parts—TLC27L2BIDR, TS27L2BIDT, TS27L2ACDT, TS27L2AIDT, TS272BIDT, and TS272ACDT—are ROHS3 compliant with MSL 1 rating. All parts are REACH Unaffected and classified as EAR99 for export purposes, matching the regulatory status of the original TLC27L2BID.

Q: What is the difference between Cut Tape & Digi-Reel® and Tape & Reel packaging?

A: Both packaging formats are suitable for automated assembly processes. Cut Tape & Digi-Reel® provides components on continuous tape that can be cut to length as needed, offering flexibility for smaller production runs. Tape & Reel provides components on continuous reel format optimized for high-volume automated pick-and-place equipment. The electrical and mechanical specifications of the component are identical regardless of packaging format. Selection depends on manufacturing equipment and production volume requirements.

Q: Can the LM432MA/NOPB be used as a substitute for the TLC27L2BID?

A: The LM432MA/NOPB is not recommended as a direct substitute. While both are dual-channel amplifiers in 8-SOIC packages, the LM432MA/NOPB is a general-purpose operational amplifier with significantly different electrical characteristics. The gain bandwidth product is 1 MHz (versus 110 kHz), input bias current is 3 nA (versus 0.6 pA), and supply current is 150 µA per channel (versus 20 µA). The minimum supply voltage is 2.5 V, and the operating temperature range is -40°C to 85°C. The LM432MA/NOPB is also classified as Obsolete. This part is suitable only for applications requiring higher bandwidth and can tolerate increased power consumption.

Q: What supply voltage range is compatible with all substitute parts?

A: The original TLC27L2BID operates from 4 V to 16 V. The STMicroelectronics substitutes (TS27L2 and TS272 series) operate from 3 V to 16 V, providing a lower minimum supply voltage. The TLC27L2BIDR maintains the 4 V to 16 V range. For designs operating at supply voltages below 4 V, the STMicroelectronics parts provide compatibility. For designs operating at 4 V or above, all substitute parts are compatible.

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