TSV522AIYST Equivalent & Substitute Parts

Part Overview

The TSV522AIYST is a CMOS dual-channel operational amplifier manufactured by STMicroelectronics, housed in an 8-MiniSO surface mount package. This device is classified as a rail-to-rail output amplifier with automotive-grade qualification (AEC-Q100) and is actively produced. The TSV522AIYST serves applications requiring low-power, dual-channel amplification with supply voltages ranging from 2.7 V to 5.5 V and operating temperatures from −40°C to 125°C.

Equivalent and substitute parts are identified when design requirements permit relaxation of specific electrical parameters while maintaining functional compatibility within the same package class and supply voltage envelope. Substitution analysis focuses on matching critical performance boundaries: output type (rail-to-rail), circuit count (2 channels), package footprint compatibility, supply voltage range overlap, and operating temperature range.

Key Parameters

Parameter	TSV522AIYST	Unit
Manufacturer	STMicroelectronics	—
Amplifier Type	CMOS	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	—
Supplier Device Package	8-MiniSO	—
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	−40 to 125	°C
Slew Rate	0.89	V/µs
Gain Bandwidth Product	1.15	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	600	µV
Current - Supply	45 (x2 Channels)	µA
Current - Output / Channel	55	mA
Mounting Type	Surface Mount	—
Grade	Automotive	—
Qualification	AEC-Q100	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitution of the TSV522AIYST is determined by the following critical parameters:

Mandatory Matching Criteria:

Dual-channel configuration (2 circuits)
Rail-to-rail output type
Surface mount package with 0.118" (3.00mm) width footprint compatibility
Supply voltage range overlap with minimum 2.7 V and maximum 5.5 V
Operating temperature range of −40°C to 125°C

Performance Parameters Permitting Variation:

Slew rate (0.89 V/µs baseline; substitutes range from 0.0037 V/µs to 8 V/µs)
Gain bandwidth product (1.15 MHz baseline; substitutes range from 8 kHz to 7 MHz)
Input bias current (1 pA baseline; substitutes range from 0.1 pA to 10 nA)
Input offset voltage (600 µV baseline; substitutes range from 400 µV to 1 mV)
Supply current (45 µA baseline; substitutes range from 480 nA to 375 µA)
Output current per channel (55 mA baseline; substitutes range from 14 mA to 185 mA)

Compliance & Certification:

RoHS3 compliance required
REACH unaffected status required
Automotive qualification (AEC-Q100) preferred but not mandatory for all substitutes

Substitutes are grouped by amplifier type (CMOS vs. General Purpose) and package variant (8-MiniSO, 8-MSOP, 8-VSSOP, 8-uMAX/uSOP) to facilitate selection based on design constraints.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	MSL
TSV522AIYST	STMicroelectronics	CMOS	0.89	1.15	1	600	45	55	2.7	5.5	−40 to 125	8-MiniSO	1
NCV20082DMR2G	onsemi	General Purpose	0.4	1.2	1	500	48	15	1.8	5.5	−40 to 125	8-MSOP	1
AZV832MMTR-G1	Diodes Incorporated	CMOS	0.45	1	1	500	70	185	1.6	5.5	−40 to 85	8-MSOP	3
LPV542DGKR	Texas Instruments	CMOS	0.0037	0.008	0.1	1000	0.48	36	1.6	5.5	−40 to 125	8-VSSOP	1
LPV542DGKT	Texas Instruments	CMOS	0.0037	0.008	0.1	1000	0.48	36	1.6	5.5	−40 to 125	8-VSSOP	1
MAX4246AUA+	Analog Devices Inc./Maxim Integrated	General Purpose	0.4	1	10	400	375	30	2.5	5.5	−40 to 125	8-uMAX/uSOP	1
MAX4246AUA+T	Analog Devices Inc./Maxim Integrated	General Purpose	0.4	1	10	400	375	30	2.5	5.5	−40 to 125	8-uMAX/uSOP	1
MCP6L02T-E/MS	Microchip Technology	General Purpose	0.6	1	2	1000	85	20	1.8	6	−40 to 125	8-MSOP	1
NCS20032DMR2G	onsemi	General Purpose	8	7	1	500	275	96	1.7	5.5	−40 to 125	8-MSOP	1
NCS20082DTBR2G	onsemi	General Purpose	0.4	1.2	1	500	48	15	1.8	5.5	−40 to 125	8-TSSOP	1
NCV20032DMR2G	onsemi	General Purpose	8	7	1	500	275	14	1.7	5.5	−40 to 125	8-MSOP	1

Engineering Selection Recommendations

Direct Substitutes (Highest Compatibility):

NCV20082DMR2G and NCS20082DTBR2G are the closest functional equivalents to the TSV522AIYST. Both devices maintain dual-channel rail-to-rail output configuration, identical supply voltage range (1.8 V to 5.5 V with overlap at 2.7 V minimum), matching operating temperature range (−40°C to 125°C), and equivalent slew rate and gain bandwidth product specifications. Both are RoHS3 compliant with MSL 1 rating. NCV20082DMR2G is packaged in 8-MSOP; NCS20082DTBR2G is packaged in 8-TSSOP. Selection between these depends on PCB footprint requirements.

CMOS Amplifier Substitutes:

AZV832MMTR-G1 (Diodes Incorporated) maintains CMOS amplifier type and dual-channel configuration with rail-to-rail output. This device operates across 1.6 V to 5.5 V supply range and −40°C to 85°C temperature range. The upper temperature limit of 85°C is lower than the TSV522AIYST specification of 125°C. MSL rating is 3 (168 hours), requiring controlled moisture exposure during storage and handling. Output current per channel is significantly higher at 185 mA compared to 55 mA.

LPV542DGKR and LPV542DGKT (Texas Instruments) are ultra-low-power CMOS amplifiers with extremely low supply current (480 nA) and input bias current (0.1 pA). These devices are suitable for battery-powered or energy-harvesting applications where power consumption is critical. Gain bandwidth product is substantially lower at 8 kHz, limiting frequency response. Both are RoHS3 compliant with MSL 1. LPV542DGKR is cut tape; LPV542DGKT is tape and reel.

General Purpose Amplifier Substitutes:

MAX4246AUA+ and MAX4246AUA+T (Analog Devices Inc./Maxim Integrated) are general-purpose dual-channel amplifiers with rail-to-rail output. Supply voltage minimum is 2.5 V (higher than TSV522AIYST at 2.7 V). Supply current is significantly higher at 375 µA. Both variants are RoHS3 compliant with MSL 1. MAX4246AUA+ is tube packaged; MAX4246AUA+T is tape and reel.

MCP6L02T-E/MS (Microchip Technology) is a general-purpose dual-channel amplifier with rail-to-rail output, operating across 1.8 V to 6 V supply range and −40°C to 125°C temperature range. Supply voltage maximum extends to 6 V. Input offset voltage is higher at 1 mV. RoHS3 compliant with MSL 1.

NCS20032DMR2G and NCV20032DMR2G (onsemi) are general-purpose amplifiers with significantly higher slew rate (8 V/µs) and gain bandwidth product (7 MHz) compared to the TSV522AIYST. These devices are suitable for applications requiring faster signal processing. Supply current is higher at 275 µA. Both operate across −40°C to 125°C temperature range and are RoHS3 compliant with MSL 1.

Product Status & Compliance:

All substitute parts listed are active products with RoHS3 compliance and REACH unaffected status. The TSV522AIYST carries automotive-grade qualification (AEC-Q100); substitute parts do not uniformly carry this certification. For automotive applications requiring AEC-Q100 qualification, verification of specific application requirements is necessary before substitution.

Frequently Asked Questions (FAQ)

Q: Can I substitute the TSV522AIYST with NCV20082DMR2G in my design?

A: NCV20082DMR2G is functionally compatible for applications where the TSV522AIYST is used as a general-purpose dual-channel amplifier. Both devices feature rail-to-rail output, dual channels, matching operating temperature range (−40°C to 125°C), and overlapping supply voltage range (2.7 V to 5.5 V). The primary difference is amplifier type classification (CMOS vs. General Purpose) and package variant (8-MiniSO vs. 8-MSOP). Verify PCB footprint compatibility before substitution.

Q: What is the difference between 8-MSOP and 8-MiniSO packages?

A: Both packages are surface mount 8-pin configurations with 0.118" (3.00mm) width. The 8-MiniSO is the supplier device package designation for the TSV522AIYST. The 8-MSOP is the generic package case designation used by multiple manufacturers. Pin pitch, lead spacing, and solder pad dimensions are equivalent, allowing PCB footprint compatibility. Consult specific manufacturer datasheets for precise dimensional specifications.

Q: Can I use AZV832MMTR-G1 in place of TSV522AIYST in an automotive application?

A: AZV832MMTR-G1 is not recommended for automotive applications requiring AEC-Q100 qualification. The device operates to 85°C maximum temperature, below the TSV522AIYST specification of 125°C. MSL rating is 3 (168 hours), requiring controlled moisture handling. For non-automotive applications within the −40°C to 85°C temperature range, AZV832MMTR-G1 is compatible.

Q: Why would I choose LPV542DGKT over the TSV522AIYST?

A: LPV542DGKT is selected for ultra-low-power applications where supply current minimization is critical. Supply current is 480 nA compared to 45 µA for the TSV522AIYST, representing a 94× reduction. Input bias current is 0.1 pA versus 1 pA. These specifications make LPV542DGKT suitable for battery-powered or energy-harvesting systems. The trade-off is significantly reduced gain bandwidth product (8 kHz vs. 1.15 MHz), limiting frequency response to low-frequency signal conditioning applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference are RoHS3 compliant and REACH unaffected. The TSV522AIYST is also RoHS3 compliant with MSL 1 (unlimited moisture sensitivity level).

Q: What is the significance of MSL (Moisture Sensitivity Level)?

A: MSL indicates the maximum time a component can be exposed to ambient conditions (typically 30°C, 85% relative humidity) before soldering without risk of moisture-induced failure. MSL 1 (unlimited) allows indefinite storage without moisture control. MSL 3 (168 hours) requires components to be stored in dry conditions and used within 168 hours of exposure to ambient humidity. AZV832MMTR-G1 carries MSL 3, requiring controlled handling. All other substitutes carry MSL 1.

Q: Can I use MAX4246AUA+T if my circuit requires 2.7 V minimum supply voltage?

A: MAX4246AUA+T specifies a minimum supply voltage of 2.5 V, which is lower than the TSV522AIYST at 2.7 V. The device will operate at 2.5 V, but this is below the TSV522AIYST specification. If your design requires guaranteed operation at exactly 2.7 V minimum, verify MAX4246AUA+T performance at this voltage through the manufacturer datasheet or contact the supplier.

Q: What is the difference between NCS20032DMR2G and NCV20032DMR2G?

A: Both devices are onsemi general-purpose dual-channel amplifiers with identical electrical specifications: 8 V/µs slew rate, 7 MHz gain bandwidth product, 1 pA input bias current, 500 µV input offset voltage, and −40°C to 125°C operating temperature. The primary difference is output current per channel: NCS20032DMR2G provides 96 mA; NCV20032DMR2G provides 14 mA. Selection depends on output current requirements of the application.

Q: Is packaging the only difference between LPV542DGKR and LPV542DGKT?

A: Yes. LPV542DGKR and LPV542DGKT are electrically identical dual-channel CMOS amplifiers with identical specifications. LPV542DGKR is supplied in cut tape (CT) and Digi-Reel® packaging; LPV542DGKT is supplied in tape and reel (TR) packaging. Selection depends on procurement and assembly process requirements.

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