TLC27L2IPW CMOS Amplifier Equivalent & Substitute Parts

Part Overview

The TLC27L2IPW is a CMOS amplifier integrated circuit manufactured by Texas Instruments, configured as a dual-channel operational amplifier in an 8-TSSOP surface mount package. This device is classified as Last Time Buy, indicating discontinued production with limited inventory availability. The TLC27L2IPW operates across a wide supply voltage range and is designed for low-power applications requiring minimal input bias current and controlled slew rate characteristics.

Due to Last Time Buy status, equivalent substitute parts from active product lines are necessary for new designs and long-term production requirements. Suitable alternatives maintain functional compatibility through matching package type, pin configuration, and core electrical parameters within acceptable operational ranges.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	—
Package / Case	8-TSSOP (0.173", 4.40mm 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	1.1	mV
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 to 85	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the TLC27L2IPW is determined by strict adherence to the following criteria:

Package Compatibility: All substitute parts must use the 8-TSSOP surface mount package with identical pin configuration and physical dimensions (0.173", 4.40mm Width).

Electrical Parameter Alignment: Substitute parts must maintain dual-channel CMOS amplifier architecture with compatible slew rate, gain bandwidth product, input bias current, and input offset voltage specifications. Supply voltage range compatibility is required, with minimum supply voltage of 4V or lower and maximum supply voltage of 16V or higher.

Output Current Capability: Substitute parts must provide output current per channel of 30 mA or greater to ensure functional equivalence in load-driving applications.

Supply Current Characteristics: Substitute parts must operate within acceptable supply current ranges for low-power applications, with total supply current (both channels) not exceeding specified limits for the application context.

Regulatory Compliance: All substitute parts must maintain ROHS3 compliance and MSL 1 rating to ensure compatibility with standard manufacturing and storage processes.

Parameter Comparison

Parameter	TLC27L2IPW (Main)	TLC27L2IPWR	TS272CPT	TS272IPT	TS27L2CPT	TS27L2IPT	TS27M2CPT
Manufacturer	Texas Instruments	Texas Instruments	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Product Status	Last Time Buy	Active	Active	Active	Active	Active	Active
Packaging	Tube	Tape & Reel	Cut Tape & Digi-Reel	Cut Tape & Digi-Reel	Cut Tape & Digi-Reel	Tape & Reel	Cut Tape & Digi-Reel
Package / Case	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP
Number of Circuits	2	2	2	2	2	2	2
Slew Rate (V/µs)	0.03	0.03	5.5	5.5	0.04	0.04	0.6
Gain Bandwidth Product (kHz)	110	110	3500	3500	100	100	1000
Current - Input Bias (pA)	0.6	0.6	1	1	1	1	1
Voltage - Input Offset (mV)	1.1	1.1	1.1	1.1	1.1	1.1	1.1
Current - Supply (µA, x2 Channels)	20	20	1000	1000	10	10	150
Current - Output / Channel (mA)	30	30	45	45	45	45	45
Voltage - Supply Span Min (V)	4	4	3	3	3	3	3
Voltage - Supply Span Max (V)	16	16	16	16	16	16	16
Operating Temperature (°C)	-40 to 85	-40 to 85	0 to 70	-40 to 125	0 to 70	-40 to 125	0 to 70
RoHS Status	ROHS3 Compliant	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)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitute - TLC27L2IPWR (Texas Instruments):

The TLC27L2IPWR is the direct functional equivalent of the TLC27L2IPW, manufactured by the same supplier with identical electrical specifications. This part maintains Active product status, ensuring long-term availability and supply chain stability. The only difference is packaging format (Tape & Reel versus Tube), which does not affect electrical performance or pin compatibility. Selection of TLC27L2IPWR is appropriate for applications requiring exact parameter matching and continued Texas Instruments supply chain support.

Secondary Substitutes - TS27L2IPT and TS27L2CPT (STMicroelectronics):

The TS27L2 series from STMicroelectronics provides functional substitution with nearly identical electrical characteristics. TS27L2IPT offers extended operating temperature range (-40°C to 125°C) compared to the main part (-40°C to 85°C), making it suitable for applications requiring broader temperature performance. TS27L2CPT operates within 0°C to 70°C range. Both parts maintain the same slew rate (0.04 V/µs versus 0.03 V/µs) and gain bandwidth product (100 kHz) specifications, with slightly higher output current capability (45 mA versus 30 mA). Supply current is lower (10 µA versus 20 µA), providing improved power efficiency. Minimum supply voltage is reduced to 3V, expanding application flexibility.

Alternative Substitutes - TS272IPT and TS272CPT (STMicroelectronics):

The TS272 series provides functional substitution with enhanced performance characteristics. These parts feature significantly higher slew rate (5.5 V/µs) and gain bandwidth product (3.5 MHz), suitable for applications requiring faster signal processing. Supply current is substantially higher (1 mA), which may be a limiting factor in ultra-low-power designs. TS272IPT extends operating temperature to -40°C to 125°C. These parts are appropriate when application requirements permit higher power consumption in exchange for improved frequency response.

Alternative Substitute - TS27M2CPT (STMicroelectronics):

The TS27M2CPT provides intermediate performance between low-speed and high-speed options, with slew rate of 0.6 V/µs and gain bandwidth product of 1 MHz. Supply current is 150 µA, positioning this part between the TS27L2 and TS272 series. Operating temperature range is 0°C to 70°C. This part is suitable for applications requiring moderate bandwidth improvement over the main part while maintaining reasonable power consumption.

Compliance and Regulatory Considerations:

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing processes and storage requirements. All parts carry EAR99 export classification and are REACH unaffected, maintaining regulatory alignment with the original TLC27L2IPW.

Frequently Asked Questions (FAQ)

Q: Can TLC27L2IPWR be used as a direct replacement for TLC27L2IPW?

A: Yes. TLC27L2IPWR is electrically identical to TLC27L2IPW with matching specifications across all electrical parameters. The only difference is packaging format (Tape & Reel versus Tube). Pin configuration, package type (8-TSSOP), and all electrical characteristics are identical. TLC27L2IPWR is the recommended substitute due to Active product status.

Q: What is the difference between TS27L2IPT and TS27L2CPT?

A: Both parts are functionally equivalent with identical electrical specifications. The primary difference is operating temperature range: TS27L2IPT operates from -40°C to 125°C, while TS27L2CPT operates from 0°C to 70°C. TS27L2IPT is suitable for extended temperature applications. Packaging differs (Tape & Reel versus Cut Tape & Digi-Reel), which affects supply chain and handling but not electrical performance.

Q: Why do TS272 parts have higher slew rate and bandwidth than the main part?

A: The TS272 series represents a different performance class within the dual-channel CMOS amplifier family. Higher slew rate (5.5 V/µs versus 0.03 V/µs) and gain bandwidth product (3.5 MHz versus 110 kHz) indicate faster signal processing capability. This comes at the cost of higher supply current (1 mA versus 20 µA). Selection depends on application requirements for speed versus power consumption.

Q: Are all substitute parts compatible with the same PCB layout?

A: Yes. All substitute parts use the identical 8-TSSOP package with 0.173" width and 4.40mm dimensions. Pin configuration is identical across all listed substitutes. PCB layout, footprint, and land pattern remain unchanged. No PCB redesign is required when substituting between these parts.

Q: What is the minimum supply voltage requirement for each substitute?

A: TLC27L2IPW and TLC27L2IPWR require minimum 4V supply. TS272CPT, TS272IPT, TS27L2CPT, TS27L2IPT, and TS27M2CPT all operate with minimum 3V supply. Applications designed for 3V operation cannot use the Texas Instruments parts but can use any of the STMicroelectronics alternatives.

Q: Which substitute is best for battery-powered applications?

A: TS27L2IPT or TS27L2CPT are optimal for battery-powered applications. These parts feature the lowest supply current (10 µA total for both channels) among all substitutes, minimizing power drain. TS27L2IPT additionally provides extended temperature range (-40°C to 125°C) for applications subject to temperature extremes. The 3V minimum supply voltage also enables operation with standard battery configurations.

Q: Can TS272 parts be used in applications designed for TLC27L2IPW?

A: TS272 parts are pin-compatible and can be physically installed in place of TLC27L2IPW. However, electrical behavior differs significantly due to higher slew rate and bandwidth. Applications sensitive to these parameters may require circuit redesign or revalidation. TS272 parts are suitable only when application requirements permit or benefit from enhanced frequency response characteristics.

Q: What is the significance of Last Time Buy status for TLC27L2IPW?

A: Last Time Buy indicates that Texas Instruments has discontinued production of TLC27L2IPW and will not accept new orders after a specified date. Existing inventory is limited. For new designs or long-term production, selection of an Active substitute part (such as TLC27L2IPWR or TS27L2IPT) is necessary to ensure continued supply availability and avoid future obsolescence.

Q: Are there temperature range limitations when substituting parts?

A: Yes. Applications requiring operation below 0°C must use TS272IPT or TS27L2IPT, which extend to -40°C. TS272CPT, TS27L2CPT, and TS27M2CPT are limited to 0°C minimum. Applications requiring operation above 85°C must use TS272IPT or TS27L2IPT, which extend to 125°C. TLC27L2IPW and TLC27L2IPWR are limited to 85°C maximum.

Q: How do output current capabilities affect substitution decisions?

A: TLC27L2IPW provides 30 mA output current per channel. All substitute parts provide 45 mA per channel, which is higher. This means substitutes can drive heavier loads than the original part. Applications designed for 30 mA output will function correctly with any substitute. Applications requiring exactly 30 mA output current will not be affected by the higher capability of substitutes.

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