TSV522IST Equivalent & Substitute Parts

Part Overview

The TSV522IST is a CMOS amplifier integrated circuit manufactured by STMicroelectronics, featuring two independent circuits in a rail-to-rail configuration. This device is classified as a linear amplifier and is housed in an 8-MiniSO surface mount package. The part is currently in active production status with automotive-grade qualification (AEC-Q100) and is RoHS3 compliant.

Substitute parts are identified when equivalent functional performance can be achieved within the specified electrical and mechanical parameters, allowing for design flexibility, supply chain alternatives, or packaging preferences while maintaining circuit compatibility.

Key Parameters

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

Substitute Part Grouping Explanation

Substitute parts for the TSV522IST are identified based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

Number of Circuits: 2 independent amplifier circuits
Output Type: Rail-to-Rail configuration
Package Compatibility: 8-pin surface mount (8-MSOP, 8-TSSOP, or 8-VSSOP variants)
Voltage Supply Range: Minimum 2.7 V to maximum 5.5 V overlap
Operating Temperature Range: -40°C to 125°C coverage
Surface Mount Mounting Type

Secondary Compatibility Parameters:

Slew Rate: 0.89 V/µs baseline (substitutes within 0.0037 to 8 V/µs acceptable)
Gain Bandwidth Product: 1.15 MHz baseline (substitutes within 8 kHz to 7 MHz acceptable)
Current - Input Bias: 1 pA baseline (substitutes within 0.1 pA to 10 nA acceptable)
Voltage - Input Offset: 1 mV baseline (substitutes within 300 µV to 3 mV acceptable)
Current - Supply: 45 µA baseline (substitutes within 480 nA to 375 µA acceptable)
Current - Output / Channel: 55 mA baseline (substitutes within 12.5 mA to 185 mA acceptable)

Substitutes are grouped by amplifier type (CMOS vs. General Purpose) and packaging variant. All identified substitutes maintain active product status, RoHS3 compliance, and surface mount configuration.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Number of Circuits	Output Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (mV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	Packaging Type
TSV522IST	STMicroelectronics	CMOS	2	Rail-to-Rail	0.89	1.15	1	1	45	55	2.7	5.5	-40 to 125	8-MSOP	Tape & Reel
NCS20082DMR2G	onsemi	General Purpose	2	Rail-to-Rail	0.4	1.2	1	0.5	48	15	1.8	5.5	-40 to 125	8-MSOP	Tape & Reel
AZV832MMTR-G1	Diodes Incorporated	CMOS	2	Rail-to-Rail	0.45	1	1	0.5	70	185	1.6	5.5	-40 to 85	8-MSOP	Cut Tape & Digi-Reel
LPV542DGKR	Texas Instruments	CMOS	2	Rail-to-Rail	0.0037	0.008	0.1	1	0.48	36	1.6	5.5	-40 to 125	8-VSSOP	Cut Tape & Digi-Reel
LPV542DGKT	Texas Instruments	CMOS	2	Rail-to-Rail	0.0037	0.008	0.1	1	0.48	36	1.6	5.5	-40 to 125	8-VSSOP	Tape & Reel
LTC6084CMS8#PBF	Analog Devices Inc.	CMOS	2	Rail-to-Rail	0.5	1.5	1	0.3	110	12.5	2.5	5.5	0 to 70	8-MSOP	Tube
MAX4246AUA+	Analog Devices Inc./Maxim Integrated	General Purpose	2	Rail-to-Rail	0.4	1	10	0.4	375	30	2.5	5.5	-40 to 125	8-uMAX/uSOP	Tube
MAX4246AUA+T	Analog Devices Inc./Maxim Integrated	General Purpose	2	Rail-to-Rail	0.4	1	10	0.4	375	30	2.5	5.5	-40 to 125	8-uMAX/uSOP	Tape & Reel
MCP6272T-E/MS	Microchip Technology	General Purpose	2	Rail-to-Rail	0.9	2	1	3	170	25	2	6	-40 to 125	8-MSOP	Tape & Reel
MCP6L02T-E/MS	Microchip Technology	General Purpose	2	Rail-to-Rail	0.6	1	2	1	85	20	1.8	6	-40 to 125	8-MSOP	Cut Tape & Digi-Reel
NCS20032DMR2G	onsemi	General Purpose	2	Rail-to-Rail	8	7	1	0.5	275	96	1.7	5.5	-40 to 125	8-MSOP	Tape & Reel

Engineering Selection Recommendations

CMOS Amplifier Substitutes (Matching Amplifier Type):

The following parts maintain CMOS amplifier architecture identical to the TSV522IST:

AZV832MMTR-G1 (Diodes Incorporated): CMOS configuration with 8-MSOP package. Operates across -40°C to 85°C, which covers the lower portion of the TSV522IST temperature range. Output current capability is significantly higher at 185 mA. Suitable for applications not requiring the full 125°C upper temperature limit. MSL rating of 3 requires controlled moisture exposure during storage.
LPV542DGKR and LPV542DGKT (Texas Instruments): CMOS configuration with ultra-low power consumption (480 nA supply current) and minimal input bias current (0.1 pA). These parts feature 8-VSSOP packaging, which differs from the standard 8-MSOP. Operating temperature range extends to -40°C to 125°C, matching the TSV522IST. Slew rate and gain bandwidth product are significantly reduced, suitable only for low-frequency applications. LPV542DGKT is supplied in Tape & Reel packaging; LPV542DGKR in Cut Tape & Digi-Reel.
LTC6084CMS8#PBF (Analog Devices Inc.): CMOS configuration in 8-MSOP package with Tube packaging. Operating temperature range is 0°C to 70°C, which does not extend to the full -40°C lower limit of the TSV522IST. Gain bandwidth product is higher at 1.5 MHz. Supply current is elevated at 110 µA. Suitable for commercial-grade applications within the specified temperature window.

General Purpose Amplifier Substitutes (Alternative Amplifier Type):

The following parts provide general-purpose amplifier functionality with rail-to-rail output in 2-circuit configurations:

NCS20082DMR2G (onsemi): General-purpose amplifier in 8-MSOP package with Tape & Reel packaging. Operates across -40°C to 125°C. Supply voltage minimum is 1.8 V, providing extended low-voltage operation. Output current per channel is reduced to 15 mA. Suitable for low-power applications requiring extended supply voltage range.
MAX4246AUA+ and MAX4246AUA+T (Analog Devices Inc./Maxim Integrated): General-purpose amplifiers in 8-uMAX/uSOP package. Operating temperature range is -40°C to 125°C. Supply current is elevated at 375 µA. MAX4246AUA+ is supplied in Tube packaging; MAX4246AUA+T in Tape & Reel. Package footprint differs from standard 8-MSOP, requiring PCB layout modification.
MCP6272T-E/MS (Microchip Technology): General-purpose amplifier in 8-MSOP package with Tape & Reel packaging. Operates across -40°C to 125°C. Supply voltage range extends to 6 V maximum. Slew rate of 0.9 V/µs closely matches the TSV522IST. Gain bandwidth product is higher at 2 MHz. Supply current is 170 µA.
MCP6L02T-E/MS (Microchip Technology): General-purpose amplifier in 8-MSOP package with Cut Tape & Digi-Reel packaging. Operates across -40°C to 125°C. Supply voltage range extends to 6 V maximum. Supply current is 85 µA. Input bias current is 2 pA. Suitable for applications requiring lower power consumption than MCP6272T-E/MS.
NCS20032DMR2G (onsemi): General-purpose amplifier in 8-MSOP package with Tape & Reel packaging. Operates across -40°C to 125°C. Slew rate is significantly higher at 8 V/µs, and gain bandwidth product is 7 MHz. Supply voltage minimum is 1.7 V. Output current per channel is 96 mA. Suitable for high-speed applications requiring extended supply voltage range.

Compliance and Certification:

All identified substitute parts maintain RoHS3 compliance and REACH unaffected status, consistent with the TSV522IST. The TSV522IST carries automotive-grade qualification (AEC-Q100), which is not specified for the substitute parts. Applications requiring automotive qualification should verify compliance with the specific substitute part selected.

Frequently Asked Questions (FAQ)

Q: Can I directly replace the TSV522IST with any of these substitute parts without PCB modification?

A: Direct replacement without PCB modification is possible only with substitute parts sharing identical package types. The TSV522IST uses 8-MSOP packaging. Substitutes using 8-MSOP (NCS20082DMR2G, AZV832MMTR-G1, LTC6084CMS8#PBF, MCP6272T-E/MS, MCP6L02T-E/MS, NCS20032DMR2G) can be used as direct pin-compatible replacements. Substitutes using 8-VSSOP (LPV542DGKR, LPV542DGKT) or 8-uMAX/uSOP (MAX4246AUA+, MAX4246AUA+T) require PCB layout modification due to different pin configurations.

Q: What is the difference between CMOS and General Purpose amplifier types?

A: CMOS amplifiers use complementary metal-oxide-semiconductor technology, typically offering lower input bias current and lower power consumption. General-purpose amplifiers may use alternative semiconductor technologies and are optimized for broader application ranges. The TSV522IST is CMOS-type. Substitutes maintaining CMOS architecture (AZV832MMTR-G1, LPV542DGKR, LPV542DGKT, LTC6084CMS8#PBF) preserve this characteristic. General-purpose substitutes (NCS20082DMR2G, MAX4246AUA+, MAX4246AUA+T, MCP6272T-E/MS, MCP6L02T-E/MS, NCS20032DMR2G) may exhibit different performance in specific applications.

Q: Why do some substitutes have different operating temperature ranges?

A: Operating temperature range is determined by the semiconductor manufacturing process and device design. The TSV522IST operates from -40°C to 125°C. Some substitutes, such as LTC6084CMS8#PBF (0°C to 70°C) and AZV832MMTR-G1 (-40°C to 85°C), have narrower ranges. Selection should verify that the substitute's temperature range encompasses the application's operating environment.

Q: What does MSL (Moisture Sensitivity Level) mean, and why does it matter?

A: Moisture Sensitivity Level indicates the device's susceptibility to moisture absorption during storage and handling. The TSV522IST has MSL 1 (Unlimited), meaning it can be stored indefinitely without moisture control. AZV832MMTR-G1 has MSL 3 (168 Hours), requiring that the device be used within 168 hours of package opening or be re-baked according to IPC standards. All other substitutes have MSL 1. Selection should consider manufacturing and assembly process requirements.

Q: Can I use a substitute with a lower supply current if my application requires lower power consumption?

A: Yes, if the substitute's supply current is lower and all other electrical parameters remain within acceptable ranges for your circuit. For example, LPV542DGKR and LPV542DGKT have supply current of only 480 nA compared to the TSV522IST's 45 µA. However, these parts have significantly reduced slew rate (0.0037 V/µs) and gain bandwidth product (8 kHz), making them suitable only for low-frequency applications. Verify that reduced performance parameters do not compromise circuit function.

Q: What is the significance of Gain Bandwidth Product (GBW)?

A: Gain Bandwidth Product represents the product of the amplifier's voltage gain and bandwidth. It indicates the frequency response capability of the device. The TSV522IST has GBW of 1.15 MHz. Substitutes with higher GBW (such as NCS20032DMR2G at 7 MHz or MCP6272T-E/MS at 2 MHz) support higher-frequency applications. Substitutes with lower GBW (such as LPV542DGKR/DGKT at 8 kHz) are limited to low-frequency signal processing.

Q: Are all substitute parts currently in active production?

A: Yes, all identified substitute parts maintain active product status as specified in the provided data. This ensures availability for new designs and ongoing production requirements.

Q: What packaging options are available for the substitutes?

A: Substitute parts are supplied in multiple packaging formats: Tape & Reel (TR) for automated assembly, Cut Tape & Digi-Reel for smaller quantities, and Tube for manual handling. Selection should align with manufacturing process requirements and order quantities.

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