TS952ID Equivalent & Substitute Parts

Part Overview

The TS952ID is a general purpose operational amplifier manufactured by STMicroelectronics, configured as a dual-channel (2 circuit) rail-to-rail amplifier in an 8-SOIC surface mount package. This device is classified as obsolete, indicating discontinuation from the manufacturer. The TS952ID is qualified to AEC-Q100 automotive standards and operates across an extended temperature range of -40°C to 125°C, making it suitable for automotive and industrial applications requiring reliability in harsh environments.

Due to its obsolete status, equivalent and substitute parts are necessary for ongoing design support, production continuity, and component sourcing. The substitute parts listed maintain functional compatibility through matching package geometry, pin configuration, and electrical operating parameters within acceptable tolerances for general purpose amplifier applications.

Key Parameters

Parameter	Value	Unit	Significance for Substitution
Manufacturer Part Number	TS952ID	—	Primary identifier; obsolete status
Package / Case	8-SOIC (0.154", 3.90mm Width)	—	Physical compatibility; PCB footprint match required
Number of Circuits	2	—	Functional requirement; dual-channel configuration
Output Type	Rail-to-Rail	—	Output swing capability; signal integrity
Voltage - Supply Span (Min)	2.7	V	Minimum operating voltage; power supply compatibility
Voltage - Supply Span (Max)	12	V	Maximum operating voltage; power supply compatibility
Operating Temperature	-40°C ~ 125°C	—	Extended range; automotive qualification requirement
Amplifier Type	General Purpose	—	Application class; functional category
Slew Rate	1	V/µs	Signal transient response; bandwidth-related performance
Gain Bandwidth Product	3	MHz	Frequency response; amplification capability
Current - Supply	950	µA (x2 Channels)	Power consumption; thermal and supply design
Current - Output / Channel	10	mA	Load driving capability; output stage performance
Grade	Automotive	—	Application qualification; reliability standard
Qualification	AEC-Q100	—	Automotive electronics certification; quality assurance
Mounting Type	Surface Mount	—	Assembly process compatibility; PCB integration

Substitute Part Grouping Explanation

Substitution of the TS952ID is determined by strict adherence to the following critical parameters:

Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure direct PCB footprint compatibility and pin-to-pin correspondence.

Dual-Channel Configuration: Substitute parts must contain exactly 2 circuits (dual-channel amplifiers) to maintain functional equivalence in applications requiring two independent amplification stages.

Rail-to-Rail Output: The output stage must support rail-to-rail swing capability, ensuring maximum signal utilization across the full supply voltage range.

Supply Voltage Range: Substitute parts must operate within the 2.7 V to 12 V supply span to maintain compatibility with existing power supply designs. Parts with narrower or incompatible ranges are excluded.

Operating Temperature Range: Substitute parts must support the -40°C to 125°C extended temperature range to maintain automotive-grade reliability in thermal extremes.

Amplifier Type: General purpose amplifiers are selected to match the functional application class of the original device.

Substitute parts are grouped into two categories based on product status and automotive qualification:

Category 1 - Automotive-Qualified Active Substitutes: LMV842QMA/NOPB and LMV842QMAX/NOPB maintain AEC-Q100 automotive qualification and extended temperature operation, providing direct functional replacement with active product status.

Category 2 - General Purpose Active Substitutes: LMP7702MA/NOPB, LMP7702MAX/NOPB, LMP7708MA/NOPB, LMP7708MAX/NOPB, and LMV842MA/NOPB offer active product status with extended temperature range and automotive-compatible supply specifications, though some lack explicit automotive qualification.

Category 3 - CMOS Alternative Substitutes: ALD2702SAL and ALD2704SAL provide CMOS-based dual-channel rail-to-rail amplification in the same package, with trade-offs in operating temperature range and supply voltage specifications.

Parameter Comparison

Parameter	TS952ID	LMV842QMA/NOPB	LMV842QMAX/NOPB	LMP7702MA/NOPB	LMP7702MAX/NOPB	LMP7708MA/NOPB	LMP7708MAX/NOPB	LMV842MA/NOPB	LMV842MAX/NOPB	ALD2702SAL	ALD2704SAL
Manufacturer	STMicroelectronics	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Advanced Linear Devices Inc.	Advanced Linear Devices Inc.
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	CMOS	CMOS
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail
Slew Rate (V/µs)	1	2.5	2.5	1.1	1.1	5.9	5.9	2.5	2.5	2.8	5
Gain Bandwidth Product (MHz)	3	4.5	4.5	2.5	2.5	15	15	4.5	4.5	1.5	2.1
Current - Input Bias (pA)	35	0.3	0.3	0.2	0.2	0.2	0.2	4	4	1	1
Voltage - Input Offset (mV)	6	0.05	0.05	0.037	0.037	0.037	0.037	0.05	0.05	5	5
Current - Supply (mA, x2 Channels)	0.95	1.03	1.03	1.5	1.5	1.5	1.5	1.03	1.03	2	5
Current - Output / Channel (mA)	10	37	37	86	86	86	86	37	37	8	15
Voltage - Supply Span (Min, V)	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7	4	6.5
Voltage - Supply Span (Max, V)	12	12	12	12	12	12	12	12	12	10	10
Operating Temperature (°C)	-40 ~ 125	-40 ~ 125	-40 ~ 125	-40 ~ 125	-40 ~ 125	-40 ~ 125	-40 ~ 125	-40 ~ 125	-40 ~ 125	0 ~ 70	0 ~ 70
Grade	Automotive	Automotive	Automotive	—	—	—	—	—	—	—	—
Qualification	AEC-Q100	AEC-Q100	AEC-Q100	—	—	—	—	—	—	—	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Recommendation - Automotive Applications:

For applications requiring automotive-grade reliability and AEC-Q100 qualification, select either LMV842QMA/NOPB (Tube packaging) or LMV842QMAX/NOPB (Tape & Reel packaging). Both devices maintain the extended -40°C to 125°C operating temperature range and automotive qualification of the original TS952ID. These parts provide improved electrical performance characteristics, including lower input bias current (0.3 pA versus 35 nA) and reduced input offset voltage (50 µV versus 6 mV), while maintaining compatible supply voltage specifications (2.7 V to 12 V) and output current capability (37 mA per channel versus 10 mA).

Secondary Recommendation - Extended Frequency Response:

For applications requiring higher bandwidth performance, LMP7708MA/NOPB (Tube packaging) or LMP7708MAX/NOPB (Tape & Reel packaging) offer significantly improved slew rate (5.9 V/µs versus 1 V/µs) and gain bandwidth product (15 MHz versus 3 MHz). These devices maintain the extended temperature range (-40°C to 125°C) and supply voltage compatibility (2.7 V to 12 V), with substantially higher output current capability (86 mA per channel). Product status is active with full RoHS3 compliance.

Tertiary Recommendation - General Purpose Applications:

For non-automotive applications where extended temperature operation is required, LMP7702MA/NOPB or LMP7702MAX/NOPB provide active product status with -40°C to 125°C operation and 2.7 V to 12 V supply compatibility. These devices offer moderate performance improvement over the original TS952ID with slew rate of 1.1 V/µs and gain bandwidth product of 2.5 MHz.

Alternative Recommendation - CMOS Technology:

ALD2702SAL and ALD2704SAL provide CMOS-based alternatives with active product status. However, these devices operate within a reduced temperature range (0°C to 70°C) and narrower supply voltage specifications (4 V to 10 V minimum for ALD2704SAL), making them unsuitable for automotive or extended temperature applications. ALD2702SAL offers lower supply current (2 mA) but reduced output current (8 mA per channel), while ALD2704SAL provides higher slew rate (5 V/µs) and output current (15 mA per channel) at the cost of increased supply current (5 mA).

Packaging Considerations:

Tube packaging (MA/NOPB suffix) is suitable for lower-volume applications and manual assembly processes. Cut Tape & Digi-Reel (MAX/NOPB suffix) packaging is optimized for automated pick-and-place assembly and higher-volume production. Tape & Reel (TR) packaging variants are available for the LMP7708 and LMV842 series for maximum production efficiency.

Frequently Asked Questions (FAQ)

Q: Can I directly replace TS952ID with any of the listed substitute parts?

A: Direct replacement is possible only with parts maintaining identical package geometry (8-SOIC), dual-channel configuration, rail-to-rail output, and compatible supply voltage range (2.7 V to 12 V). All listed substitutes meet these core requirements. However, electrical performance characteristics differ; verify that slew rate, gain bandwidth product, and output current specifications are acceptable for your specific application.

Q: Which substitute part is best for automotive applications?

A: LMV842QMA/NOPB and LMV842QMAX/NOPB are the recommended choices for automotive applications. Both maintain AEC-Q100 qualification and the extended -40°C to 125°C operating temperature range of the original TS952ID, ensuring compliance with automotive reliability standards.

Q: What is the difference between LMV842QMA/NOPB and LMV842QMAX/NOPB?

A: Both devices are electrically identical with identical electrical specifications. The difference is packaging format: LMV842QMA/NOPB is supplied in Tube packaging, while LMV842QMAX/NOPB is supplied in Cut Tape & Digi-Reel packaging. Select based on your assembly process requirements and production volume.

Q: Why do some substitute parts have higher slew rates and bandwidth?

A: LMP7708MA/NOPB and LMP7708MAX/NOPB are designed for higher-frequency applications, offering slew rate of 5.9 V/µs and gain bandwidth product of 15 MHz compared to the TS952ID's 1 V/µs and 3 MHz. These enhanced specifications enable faster signal transient response and higher-frequency amplification, suitable for applications requiring extended bandwidth performance.

Q: Can I use ALD2702SAL or ALD2704SAL as substitutes?

A: ALD2702SAL and ALD2704SAL are functionally compatible in terms of package and dual-channel configuration. However, they operate within a reduced temperature range (0°C to 70°C) and narrower supply voltage specifications, making them unsuitable for automotive or extended temperature applications. Use these CMOS alternatives only for commercial-grade applications within their specified operating ranges.

Q: What does AEC-Q100 qualification mean?

A: AEC-Q100 is an automotive electronics qualification standard that certifies component reliability under automotive operating conditions, including extended temperature ranges, thermal cycling, and environmental stress. Devices with AEC-Q100 qualification are approved for use in automotive applications requiring high reliability.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed substitute parts are RoHS3 compliant, indicating compliance with Restriction of Hazardous Substances regulations. All devices also maintain Moisture Sensitivity Level (MSL) 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling.

Q: What is the difference between input bias current specifications across substitutes?

A: Input bias current varies significantly across substitutes, ranging from 0.2 pA (LMP7702 and LMP7708 series) to 35 nA (TS952ID). Lower input bias current reduces loading effects on signal sources and is beneficial for high-impedance input circuits. For most general purpose applications, this difference is negligible; however, precision instrumentation applications may require the lower bias current of the LMP series.

Q: Can I use LMP7702MA/NOPB instead of LMP7708MA/NOPB?

A: Yes, both devices are pin-compatible and functionally equivalent in terms of package and supply specifications. The primary difference is performance: LMP7708MA/NOPB offers higher slew rate (5.9 V/µs versus 1.1 V/µs) and gain bandwidth product (15 MHz versus 2.5 MHz). Select LMP7702MA/NOPB for applications where the lower bandwidth is sufficient and cost optimization is a priority; select LMP7708MA/NOPB for applications requiring extended frequency response.

Q: What is the significance of the "Q" designation in LMV842QMA/NOPB?

A: The "Q" designation indicates automotive qualification (AEC-Q100) and extended temperature operation (-40°C to 125°C). This distinguishes the LMV842QMA/NOPB from the standard LMV842MA/NOPB, which lacks explicit automotive qualification. For automotive applications, always select the "Q" variant.

Q: Are there any supply voltage compatibility issues between TS952ID and the substitutes?

A: All listed substitutes operate within the 2.7 V to 12 V supply voltage range of the TS952ID, ensuring direct compatibility with existing power supply designs. ALD2702SAL and ALD2704SAL have narrower ranges (4 V to 10 V and 6.5 V to 10 V respectively), which may limit their use in low-voltage applications below 4 V.

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