TS934AIYDT Equivalent & Substitute Parts

Part Overview

The TS934AIYDT is a general-purpose operational amplifier manufactured by STMicroelectronics, featuring four independent circuits in a 14-SOIC surface-mount package. This rail-to-rail amplifier is designed for automotive-grade applications with AEC-Q100 qualification and operates across a supply voltage range of 2.7 V to 10 V. The device is actively produced and widely stocked, with 3200 units available in inventory. Equivalent and substitute parts are identified based on matching functional characteristics, package compatibility, and electrical performance parameters that enable direct replacement in circuit designs.

Key Parameters

Parameter	TS934AIYDT
Manufacturer	STMicroelectronics
Amplifier Type	General Purpose
Number of Circuits	4
Output Type	Rail-to-Rail
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Voltage - Supply Span (Min)	2.7 V
Voltage - Supply Span (Max)	10 V
Operating Temperature	-40°C ~ 105°C
Grade	Automotive
Qualification	AEC-Q100
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the TS934AIYDT are identified based on the following critical parameters:

Functional Compatibility Criteria:

Four independent amplifier circuits
Rail-to-rail output configuration
14-SOIC package with 0.154" width (3.90mm)
Surface-mount technology
Minimum supply voltage of 2.7 V
Maximum supply voltage of 10 V or greater
Operating temperature range encompassing -40°C to 105°C
Active product status

Substitute Categories:

Category 1: Direct Automotive-Grade Equivalents Parts meeting automotive qualification (AEC-Q100) with identical or superior electrical performance specifications.

Category 2: General-Purpose Alternatives Parts with matching package and circuit configuration but without automotive qualification, suitable for non-automotive applications or where performance margins exceed application requirements.

Category 3: Enhanced Performance Variants Parts with superior slew rate, gain-bandwidth product, or output current capabilities while maintaining package and supply voltage compatibility.

Parameter Comparison

Parameter	TS934AIYDT	LMP7704MA/NOPB	LMP7704MAX/NOPB	LMV844MA/NOPB	LMV844MAX/NOPB	LMV844QMA/NOPB	OP496GSZ	OP496GSZ-REEL	OP496GSZ-REEL7
Manufacturer	STMicroelectronics	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Number of Circuits	4	4	4	4	4	4	4	4	4
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
Package / Case	14-SOIC (0.154", 3.90mm)	14-SOIC (0.154", 3.90mm)	14-SOIC (0.154", 3.90mm)	14-SOIC (0.154", 3.90mm)	14-SOIC (0.154", 3.90mm)	14-SOIC (0.154", 3.90mm)	14-SOIC (0.154", 3.90mm)	14-SOIC (0.154", 3.90mm)	14-SOIC (0.154", 3.90mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Voltage - Supply Span (Min)	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	3 V	3 V	3 V
Voltage - Supply Span (Max)	10 V	12 V	12 V	12 V	12 V	12 V	12 V	12 V	12 V
Operating Temperature	-40°C ~ 105°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Slew Rate	0.05 V/µs	1.1 V/µs	1.1 V/µs	2.5 V/µs	2.5 V/µs	2.5 V/µs	0.3 V/µs	0.3 V/µs	0.3 V/µs
Gain Bandwidth Product	100 kHz	2.5 MHz	2.5 MHz	4.5 MHz	4.5 MHz	4.5 MHz	450 kHz	450 kHz	450 kHz
Current - Input Bias	1 pA	0.2 pA	0.2 pA	4 pA	4 pA	0.3 pA	10 nA	10 nA	10 nA
Voltage - Input Offset	5 mV	37 µV	37 µV	50 µV	50 µV	50 µV	35 µV	35 µV	35 µV
Current - Output / Channel	5 mA	86 mA	86 mA	37 mA	37 mA	37 mA	4 mA	4 mA	4 mA
Grade	Automotive	—	—	—	—	Automotive	—	—	—
Qualification	AEC-Q100	—	—	—	—	AEC-Q100	—	—	—
RoHS Status	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)

Engineering Selection Recommendations

Automotive Applications with AEC-Q100 Requirement:

For applications requiring automotive-grade qualification and AEC-Q100 compliance, the LMV844QMA/NOPB is the direct substitute. This part maintains automotive grade status and AEC-Q100 qualification while providing enhanced performance characteristics including higher slew rate (2.5 V/µs versus 0.05 V/µs), superior gain-bandwidth product (4.5 MHz versus 100 kHz), and lower input bias current (0.3 pA versus 1 pA). The operating temperature range extends to 125°C, exceeding the TS934AIYDT specification of 105°C.

General-Purpose Applications without Automotive Qualification:

For non-automotive applications, the LMP7704MA/NOPB and LMP7704MAX/NOPB offer significant performance improvements over the TS934AIYDT. Both variants provide 25× higher gain-bandwidth product (2.5 MHz), substantially lower input offset voltage (37 µV versus 5 mV), and higher output current per channel (86 mA versus 5 mA). The LMP7704MAX/NOPB is packaged in Cut Tape & Digi-Reel format, matching the TS934AIYDT packaging style.

Low-Power Applications:

The LMV844MA/NOPB and LMV844MAX/NOPB variants consume significantly lower supply current (1.03 mA across four channels versus 20 µA per channel for the TS934AIYDT), making them suitable for battery-powered or low-power applications. These parts are available in both Tube and Tape & Reel packaging options.

CMOS Technology Alternative:

The OP496GSZ, OP496GSZ-REEL, and OP496GSZ-REEL7 from Analog Devices represent CMOS amplifier alternatives with extremely low input bias current (10 nA). These parts are suitable for high-impedance input applications. However, the minimum supply voltage is 3 V (versus 2.7 V for the TS934AIYDT), and output current per channel is limited to 4 mA.

Supply Voltage Compatibility:

All substitute parts support the TS934AIYDT maximum supply voltage of 10 V. Substitute parts with maximum supply voltage of 12 V provide additional design margin. The OP496GSZ variants require minimum supply voltage of 3 V, which may limit compatibility in applications requiring operation below 3 V.

Packaging and Inventory Considerations:

The OP496GSZ-REEL variant offers the highest inventory availability (5900 units), followed by LMV844MAX/NOPB (4958 units). The TS934AIYDT maintains 3200 units in stock. All parts are actively produced with ROHS3 compliance and MSL Level 1 (unlimited moisture sensitivity).

Frequently Asked Questions (FAQ)

Q: Can the LMV844QMA/NOPB directly replace the TS934AIYDT in automotive applications?

A: Yes. The LMV844QMA/NOPB is an automotive-grade substitute with AEC-Q100 qualification matching the TS934AIYDT. Both devices feature four rail-to-rail amplifier circuits in 14-SOIC packages with identical pinout. The LMV844QMA/NOPB provides superior electrical performance across all measured parameters while maintaining automotive compliance.

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

A: The TS934AIYDT and most substitute parts (LMP7704 series, LMV844 series) operate at minimum supply voltage of 2.7 V. The OP496GSZ variants require minimum supply voltage of 3 V. Applications requiring operation below 3 V must use the TS934AIYDT or LMP7704/LMV844 series.

Q: Are all substitute parts available in the same packaging format as the TS934AIYDT?

A: The TS934AIYDT is supplied in Cut Tape & Digi-Reel format. Equivalent packaging is available for LMP7704MAX/NOPB (Cut Tape & Digi-Reel), OP496GSZ-REEL, and OP496GSZ-REEL7 (Cut Tape & Digi-Reel). Alternative packaging formats (Tube, Tape & Reel) are available for other variants but require different handling and assembly processes.

Q: What is the primary performance difference between the TS934AIYDT and LMV844 series substitutes?

A: The LMV844 series provides 45× higher gain-bandwidth product (4.5 MHz versus 100 kHz) and 50× faster slew rate (2.5 V/µs versus 0.05 V/µs). These improvements enable the LMV844 series to handle higher-frequency signals and faster transient responses. The LMV844 series also delivers lower supply current consumption (1.03 mA total versus 80 µA total for the TS934AIYDT).

Q: Is the OP496GSZ suitable for applications requiring low input bias current?

A: Yes. The OP496GSZ exhibits input bias current of 10 nanoamperes, approximately 10,000 times lower than the TS934AIYDT (1 picoampere). This characteristic makes the OP496GSZ suitable for high-impedance input circuits and transimpedance amplifier configurations. However, the OP496GSZ requires minimum supply voltage of 3 V and provides lower output current (4 mA per channel).

Q: Can substitute parts operate across the full temperature range of the TS934AIYDT?

A: All substitute parts operate at the TS934AIYDT minimum temperature of -40°C. However, substitute parts extend the maximum operating temperature to 125°C, exceeding the TS934AIYDT specification of 105°C. Applications limited to 105°C maximum temperature can use any substitute part without thermal derating.

Q: What is the significance of AEC-Q100 qualification for automotive applications?

A: AEC-Q100 qualification certifies that a component meets automotive industry reliability and quality standards established by the Automotive Electronics Council. The TS934AIYDT and LMV844QMA/NOPB both carry AEC-Q100 qualification, ensuring compliance with automotive manufacturing and field-reliability requirements. Non-qualified parts (LMP7704 series, OP496 series) are not suitable for safety-critical automotive applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and carry REACH Unaffected status, matching the environmental compliance profile of the TS934AIYDT. All parts feature Moisture Sensitivity Level 1 (unlimited), indicating no moisture-related handling restrictions.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message