TLC27M4IPW Equivalent & Substitute Parts

Part Overview

The TLC27M4IPW is a general-purpose operational amplifier integrated circuit manufactured by Texas Instruments, featuring four independent amplifier circuits in a 14-TSSOP surface mount package. This LinCMOS™ series device operates across a 4V to 16V supply range and is designed for low-power analog signal processing applications.

The TLC27M4IPW is designated as Last Time Buy, indicating discontinued production status. Identification of equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain reliability for applications currently utilizing this component.

Key Parameters

Parameter	Value
Manufacturer Part Number	TLC27M4IPW
Manufacturer	Texas Instruments
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	4
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Slew Rate	0.62 V/µs
Gain Bandwidth Product	525 kHz
Voltage - Supply Span (Min)	4 V
Voltage - Supply Span (Max)	16 V
Current - Supply	570 µA (x4 Channels)
Current - Output / Channel	30 mA
Operating Temperature	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant
Product Status	Last Time Buy

Substitute Part Grouping Explanation

Substitution of the TLC27M4IPW is determined by the following critical parameters:

Mechanical Compatibility:

Package type: 14-TSSOP surface mount configuration
Pin count and pitch: 14 pins with 0.173" width (4.40mm)
Mounting type: Surface mount

Electrical Compatibility:

Number of circuits: 4 independent amplifier channels
Supply voltage range: Minimum 4V to maximum 16V overlap required
Output current capability: Minimum 30 mA per channel
Operating temperature range: Application-dependent selection

Performance Parameters:

Slew rate: 0.62 V/µs (baseline performance metric)
Gain bandwidth product: 525 kHz (baseline performance metric)
Input bias current: 0.7 pA
Input offset voltage: 1.1 mV

Substitute parts are grouped into two categories based on electrical performance characteristics:

Category 1: Direct Performance Match (Texas Instruments TLC27M4IPWR) Identical electrical specifications with packaging format variation (Tape & Reel instead of Tube).

Category 2: Alternative Performance Profile (STMicroelectronics TS27L4 and TS27M4 Series) CMOS amplifiers with different performance characteristics but compatible package and pin configuration. These parts offer trade-offs in slew rate, bandwidth, and supply current while maintaining mechanical compatibility and four-circuit configuration.

Parameter Comparison

Parameter	TLC27M4IPW	TLC27M4IPWR	TS27L4IPT	TS27L4AIPT	TS27L4CPT	TS27L4ACPT	TS27M4CPT
Manufacturer	Texas Instruments	Texas Instruments	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Amplifier Type	General Purpose	General Purpose	CMOS	CMOS	CMOS	CMOS	CMOS
Number of Circuits	4	4	4	4	4	4	4
Package / Case	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Slew Rate	0.62 V/µs	0.62 V/µs	0.04 V/µs	0.04 V/µs	0.04 V/µs	0.04 V/µs	0.6 V/µs
Gain Bandwidth Product	525 kHz	525 kHz	100 kHz	100 kHz	100 kHz	100 kHz	1 MHz
Current - Input Bias	0.7 pA	0.7 pA	1 pA	1 pA	1 pA	1 pA	1 pA
Voltage - Input Offset	1.1 mV	1.1 mV	1.1 mV	900 µV	1.1 mV	900 µV	1.1 mV
Current - Supply	570 µA (x4)	570 µA (x4)	10 µA (x4)	10 µA (x4)	10 µA (x4)	10 µA (x4)	150 µA (x4)
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 (Min)	-40°C	-40°C	-40°C	-40°C	0°C	0°C	0°C
Operating Temperature (Max)	85°C	85°C	125°C	125°C	70°C	70°C	70°C
Product Status	Last Time Buy	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 Substitute: TLC27M4IPWR

The TLC27M4IPWR is the recommended substitute for the TLC27M4IPW. This part maintains identical electrical specifications and performance characteristics while differing only in packaging format (Tape & Reel versus Tube). Both parts are manufactured by Texas Instruments, carry ROHS3 compliance certification, and operate across the same supply voltage and temperature ranges. The TLC27M4IPWR holds Active product status, ensuring continued availability and supply chain support.

Secondary Substitutes: STMicroelectronics TS27L4 and TS27M4 Series

The STMicroelectronics TS27L4 series (TS27L4IPT, TS27L4AIPT, TS27L4CPT, TS27L4ACPT) and TS27M4CPT provide mechanical and functional compatibility with the TLC27M4IPW through identical 14-TSSOP packaging and four-circuit configuration. These parts are suitable for applications where performance trade-offs are acceptable:

TS27L4 Series Characteristics:

Reduced slew rate (0.04 V/µs versus 0.62 V/µs)
Lower gain bandwidth product (100 kHz versus 525 kHz)
Significantly reduced supply current (10 µA versus 570 µA per four channels)
Enhanced output current capability (45 mA versus 30 mA per channel)
Minimum supply voltage reduced to 3V

Selection of TS27L4 variants depends on operating temperature requirements:

TS27L4IPT and TS27L4AIPT: Extended temperature range (-40°C to 125°C)
TS27L4CPT and TS27L4ACPT: Commercial temperature range (0°C to 70°C)

TS27M4CPT Characteristics:

Intermediate slew rate (0.6 V/µs)
Higher gain bandwidth product (1 MHz)
Moderate supply current (150 µA per four channels)
Commercial temperature range (0°C to 70°C)

All substitute parts carry ROHS3 compliance and Active product status, ensuring regulatory compliance and supply availability.

Frequently Asked Questions (FAQ)

Q: Can the TLC27M4IPWR directly replace the TLC27M4IPW in existing designs?

A: Yes. The TLC27M4IPWR is electrically and functionally identical to the TLC27M4IPW. The only difference is packaging format: TLC27M4IPW is supplied in Tube packaging, while TLC27M4IPWR is supplied in Tape & Reel format. Both parts are pin-compatible and operate identically in circuit applications.

Q: What are the key differences between the TLC27M4IPW and the STMicroelectronics TS27L4 series?

A: The primary differences are performance-related. The TLC27M4IPW offers higher slew rate (0.62 V/µs) and gain bandwidth product (525 kHz) compared to the TS27L4 series (0.04 V/µs and 100 kHz respectively). The TS27L4 series consumes significantly less supply current (10 µA versus 570 µA) and provides higher output current capability (45 mA versus 30 mA per channel). Both maintain identical 14-TSSOP packaging and four-circuit configuration.

Q: Which substitute part should be selected for low-power applications?

A: The STMicroelectronics TS27L4 series is optimized for low-power operation, consuming only 10 µA supply current across four channels compared to 570 µA for the TLC27M4IPW. Selection between TS27L4IPT, TS27L4AIPT, TS27L4CPT, and TS27L4ACPT depends on required operating temperature range.

Q: Are all substitute parts RoHS compliant?

A: Yes. The TLC27M4IPWR and all STMicroelectronics substitute parts (TS27L4IPT, TS27L4AIPT, TS27L4CPT, TS27L4ACPT, TS27M4CPT) carry ROHS3 compliance certification.

Q: What is the difference between TS27L4AIPT and TS27L4ACPT?

A: Both parts are STMicroelectronics TS27L4 series devices in 14-TSSOP packaging. The primary difference is input offset voltage specification: TS27L4AIPT specifies 900 µV while TS27L4ACPT specifies 900 µV. Both support extended operating temperature range (-40°C to 125°C). Packaging differs: TS27L4AIPT is supplied in Cut Tape and Digi-Reel format, while TS27L4ACPT is supplied in Tape & Reel format.

Q: Can the TS27M4CPT replace the TLC27M4IPW in high-frequency applications?

A: The TS27M4CPT offers higher gain bandwidth product (1 MHz versus 525 kHz) and comparable slew rate (0.6 V/µs versus 0.62 V/µs), making it suitable for applications requiring higher frequency response. However, the TS27M4CPT operates only within the commercial temperature range (0°C to 70°C), which may limit applicability in extended temperature environments.

Q: What is the significance of the TLC27M4IPW being designated as Last Time Buy?

A: Last Time Buy designation indicates that Texas Instruments has discontinued production of the TLC27M4IPW. This status necessitates identification of alternative parts for new designs and ongoing production requirements. The TLC27M4IPWR (Active status) provides the most direct replacement path, while STMicroelectronics alternatives offer viable options for applications where performance trade-offs are acceptable.

Q: Are there any supply voltage compatibility concerns when substituting parts?

A: The TLC27M4IPW operates from 4V to 16V. The STMicroelectronics TS27L4 and TS27M4 series operate from 3V to 16V, providing extended low-voltage capability. Applications requiring operation below 4V supply voltage can utilize STMicroelectronics alternatives. All parts support the full 16V maximum supply voltage.

Q: How do output current capabilities compare across substitute options?

A: The TLC27M4IPW provides 30 mA output current per channel. All STMicroelectronics substitute parts (TS27L4 and TS27M4 series) provide 45 mA output current per channel, offering enhanced output drive capability. Applications requiring higher output current benefit from STMicroelectronics alternatives.

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