TS272IPT CMOS Amplifier Equivalent & Substitute Parts

Part Overview

The TS272IPT is a CMOS operational amplifier manufactured by STMicroelectronics, configured as a dual-channel (2 circuit) linear amplifier in an 8-TSSOP surface mount package. This device is currently in Active product status with 19,880 units in stock. The TS272IPT operates across a wide supply voltage range of 3V to 16V and is suitable for applications requiring low input bias current and moderate bandwidth performance. Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when design specifications allow for performance variations within defined electrical parameters.

Key Parameters

Parameter	TS272IPT	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	—
Slew Rate	5.5	V/µs
Gain Bandwidth Product	3.5	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	1.1	mV
Current - Supply (per Channel)	1	mA
Current - Output / Channel	45	mA
Voltage - Supply Span (Min)	3	V
Voltage - Supply Span (Max)	16	V
Operating Temperature Range	-40 to 125	°C
Package / Case	8-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TS272IPT is determined by compatibility across the following critical parameters: dual-channel CMOS amplifier architecture, 8-TSSOP surface mount package, supply voltage range overlap, operating temperature range compatibility, and electrical performance specifications including slew rate, gain bandwidth product, input bias current, and output current capability.

Substitute parts are grouped into three functional categories based on performance characteristics:

Category 1: Direct Performance Equivalents — Parts with slew rate and gain bandwidth product specifications closely matching the TS272IPT (5.3V/µs slew rate, 2.2MHz gain bandwidth product). These include TLC272CPW and TLC272CPWR from Texas Instruments. These parts maintain the same supply voltage range (3V to 16V minimum) and output current capability (30mA per channel), making them suitable for applications where the TS272IPT's performance envelope is acceptable.

Category 2: Reduced Performance Variants — Parts with lower slew rate and gain bandwidth product specifications, including TLC27L2CPW and TLC27L2CPWR (0.03V/µs slew rate, 110kHz gain bandwidth product), and TLC27M2CPW, TLC27M2IPW, and TLC27M2IPWR (0.62V/µs slew rate, 635kHz gain bandwidth product). These variants are suitable only for applications where lower bandwidth and slower signal transitions are acceptable.

Category 3: Extended Temperature Range Variants — Parts with operating temperature ranges extending to -40°C to 85°C, including TLC27L2IPW and TLC27M2IPW, suitable for applications requiring enhanced low-temperature performance.

Category 4: Reduced Supply Voltage Variants — The TLC252CPWR operates with a minimum supply voltage of 1.4V, suitable for low-voltage applications where the TS272IPT's 3V minimum is incompatible.

Parameter Comparison

Parameter	TS272IPT	TLC252CPWR	TLC272CPW	TLC272CPWR	TLC27L2CPW	TLC27L2CPWR	TLC27L2IPW	TLC27M2CPW	TLC27M2IPW	TLC27M2IPWR	Unit
Amplifier Type	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	—
Number of Circuits	2	2	2	2	2	2	2	2	2	2	—
Slew Rate	5.5	2.9	5.3	5.3	0.03	0.03	0.03	0.62	0.62	0.62	V/µs
Gain Bandwidth Product	3.5	2.2	2.2	2.2	110	110	110	635	635	635	kHz
Current - Input Bias	1	0.6	0.7	0.7	0.6	0.6	0.6	0.7	0.7	0.7	pA
Voltage - Input Offset	1.1	1.1	1.1	1.1	1.1	1.1	1.1	1.1	1.1	1.1	mV
Current - Supply (per Channel)	1	1.9	1.9	1.9	20	20	20	285	285	285	µA
Current - Output / Channel	45	—	30	30	30	30	30	30	30	30	mA
Voltage - Supply Span (Min)	3	1.4	3	3	3	3	4	3	4	4	V
Voltage - Supply Span (Max)	16	16	16	16	16	16	16	16	16	16	V
Operating Temperature (Min)	-40	0	0	0	0	0	-40	0	-40	-40	°C
Operating Temperature (Max)	125	70	70	70	70	70	85	70	85	85	°C
Package / Case	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—
Moisture Sensitivity Level	1	1	1	1	1	1	1	1	1	1	—

Engineering Selection Recommendations

For Direct Substitution with Active Product Status:

TLC272CPWR is the primary substitute for TS272IPT. Both devices maintain identical supply voltage specifications (3V to 16V), equivalent slew rate performance (5.3V/µs versus 5.5V/µs), and compatible output current capability (30mA per channel). TLC272CPWR is currently in Active product status with 18,000 units in stock and is packaged in Cut Tape & Digi-Reel format. This part is suitable for applications where the TS272IPT becomes unavailable and performance specifications remain within acceptable tolerances.

For Extended Temperature Range Applications:

TLC27M2IPWR provides extended operating temperature range (-40°C to 85°C) with Active product status and 2,348 units in stock. This part is suitable for applications requiring low-temperature operation beyond the standard 0°C to 70°C range of most TLC272 variants. The TLC27M2IPWR operates with a 4V minimum supply voltage and exhibits lower slew rate (0.62V/µs) and reduced gain bandwidth product (635kHz), requiring verification that application bandwidth requirements are satisfied.

For Low-Voltage Applications:

TLC252CPWR operates with a minimum supply voltage of 1.4V, extending compatibility to low-voltage system designs. This part is in Last Time Buy status with 1,367 units in stock. The operating temperature range is limited to 0°C to 70°C, and slew rate performance is reduced to 2.9V/µs.

For Ultra-Low Power Applications:

TLC27L2CPWR and TLC27L2IPW provide ultra-low supply current (20µA per channel) suitable for battery-powered and energy-constrained applications. TLC27L2CPWR is in Active status with 2,018 units in stock. These parts exhibit significantly reduced bandwidth (110kHz gain bandwidth product) and slew rate (0.03V/µs), limiting application to low-frequency signal processing.

Product Status Considerations:

Parts designated as Obsolete (TLC272CPW) or Last Time Buy (TLC252CPWR, TLC27L2IPW, TLC27M2CPW, TLC27M2IPW) should be selected only when inventory constraints or design lock requirements necessitate their use. Active status parts (TS272IPT, TLC272CPWR, TLC27L2CPWR, TLC27M2IPWR) provide long-term availability assurance.

Compliance and Certification:

All listed substitute parts maintain ROHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status, matching the TS272IPT's regulatory profile.

Frequently Asked Questions (FAQ)

Q: Can TLC272CPWR directly replace TS272IPT in existing designs?

A: TLC272CPWR is electrically compatible with TS272IPT across all critical parameters: dual-channel CMOS amplifier configuration, 8-TSSOP package, 3V to 16V supply range, and comparable slew rate (5.3V/µs versus 5.5V/µs). Output current capability differs (30mA versus 45mA per channel); applications requiring the full 45mA output current must be evaluated. Both parts are RoHS3 compliant with MSL 1 rating.

Q: What is the difference between TLC272CPWR and TLC27M2IPWR?

A: TLC272CPWR operates at 0°C to 70°C with 5.3V/µs slew rate and 2.2MHz gain bandwidth product. TLC27M2IPWR operates at -40°C to 85°C with 0.62V/µs slew rate and 635kHz gain bandwidth product. TLC27M2IPWR is suitable for extended temperature range applications but exhibits significantly reduced bandwidth performance. Selection depends on application temperature requirements and bandwidth specifications.

Q: Why does TLC252CPWR have a lower minimum supply voltage?

A: TLC252CPWR is designed for low-voltage applications and operates with a 1.4V minimum supply voltage compared to 3V for TS272IPT and TLC272CPWR. This extended low-voltage capability is achieved through alternative circuit design. TLC252CPWR is in Last Time Buy status, indicating limited future availability.

Q: Are all substitute parts available in the same packaging format as TS272IPT?

A: All substitute parts use the 8-TSSOP surface mount package with identical 0.173" (4.40mm) width. However, packaging format (Cut Tape & Digi-Reel, Tape & Reel, or Tube) varies by part number. TS272IPT and TLC272CPWR are available in Cut Tape & Digi-Reel format. TLC27M2IPWR is available in Tape & Reel format. Verify packaging format compatibility with assembly equipment before part selection.

Q: What is the significance of the "L" and "M" designations in TLC27L2 and TLC27M2 part numbers?

A: The "L" designation (TLC27L2) indicates ultra-low power operation with 20µA supply current per channel and 110kHz gain bandwidth product, suitable for battery-powered applications. The "M" designation (TLC27M2) indicates medium performance with 285µA supply current per channel and 635kHz gain bandwidth product. Both variants provide reduced bandwidth compared to standard TLC272 and TS272IPT devices.

Q: Can TLC27L2CPWR be used in high-frequency signal processing applications?

A: TLC27L2CPWR is not suitable for high-frequency applications. The 110kHz gain bandwidth product and 0.03V/µs slew rate limit operation to low-frequency signal processing. Applications requiring bandwidth above 110kHz must use TLC272CPWR, TLC27M2IPWR, or TS272IPT.

Q: What is the impact of reduced output current capability in substitute parts?

A: TS272IPT provides 45mA output current per channel, while most TLC272 variants provide 30mA per channel. Applications requiring output currents between 30mA and 45mA must use TS272IPT or verify that substitute parts can deliver required load current through external buffering or alternative circuit design.

Q: Are there any temperature range limitations when substituting TS272IPT?

A: TS272IPT operates from -40°C to 125°C. Most TLC272 variants operate from 0°C to 70°C, representing a significant temperature range reduction. Applications requiring operation below 0°C or above 70°C must use TLC27L2IPW or TLC27M2IPW (-40°C to 85°C) or remain with TS272IPT. Verify application temperature requirements before substitution.

Q: What compliance certifications apply to all substitute parts?

A: All listed substitute parts are ROHS3 compliant, have Moisture Sensitivity Level 1 (Unlimited), and are REACH Unaffected. These certifications match TS272IPT's regulatory profile, ensuring compatibility with environmental and regulatory requirements.

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