TSV522IYST Equivalent & Substitute Parts

Part Overview

The TSV522IYST is an active CMOS amplifier integrated circuit manufactured by STMicroelectronics, configured as a dual-channel (2 circuit) rail-to-rail operational amplifier in an 8-pin MiniSO surface mount package. This device is classified as a linear amplifier and maintains active product status with automotive-grade qualification under AEC-Q100 standards.

Substitute parts are identified when equivalent electrical performance parameters and mechanical compatibility exist within the same package family, allowing direct replacement in circuit applications while maintaining functional specifications and reliability requirements.

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

Substitution eligibility for the TSV522IYST is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Dual-channel (2 circuit) configuration
Rail-to-rail output capability
8-pin surface mount package (8-MSOP, 8-TSSOP, or 8-VSSOP variants)
Operating temperature range of -40°C to 125°C
Supply voltage span compatibility (minimum 2.7 V to maximum 5.5 V)
CMOS amplifier topology

Performance Parameters Affecting Substitution:

Slew rate (0.89 V/µs baseline)
Gain bandwidth product (1.15 MHz baseline)
Input bias current (1 pA baseline)
Input offset voltage (1 mV baseline)
Supply current per channel (45 µA baseline)
Output current per channel (55 mA baseline)

Substitute parts are grouped into two categories: Direct Substitutes (matching all mandatory criteria with equivalent performance) and Similar Substitutes (matching mandatory criteria with performance variations that may require application-level verification).

Parameter Comparison

Parameter	TSV522IYST	NCS20082DMR2G	AZV832MMTR-G1	LPV542DGKR	LPV542DGKT	LTC6084CMS8#PBF	MAX4246AUA+	MAX4246AUA+T	MCP6272T-E/MS	MCP6L02T-E/MS	NCS20032DMR2G
Manufacturer	STMicroelectronics	onsemi	Diodes Inc.	Texas Instruments	Texas Instruments	Analog Devices	Analog Devices/Maxim	Analog Devices/Maxim	Microchip	Microchip	onsemi
Amplifier Type	CMOS	General Purpose	CMOS	CMOS	CMOS	CMOS	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
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	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	0.89	0.4	0.45	0.0037	0.0037	0.5	0.4	0.4	0.9	0.6	8
Gain Bandwidth Product (MHz)	1.15	1.2	1	0.008	0.008	1.5	1	1	2	1	7
Current - Input Bias (pA)	1	1	1	0.1	0.1	1	10	10	1	2	1
Voltage - Input Offset (mV)	1	0.5	0.5	1	1	0.3	0.4	0.4	3	1	0.5
Current - Supply (µA, x2 Channels)	45	48	70	0.48	0.48	110	375	375	170	85	275
Current - Output / Channel (mA)	55	15	185	36	36	12.5	30	30	25	20	96
Voltage - Supply Span Min (V)	2.7	1.8	1.6	1.6	1.6	2.5	2.5	2.5	2	1.8	1.7
Voltage - Supply Span Max (V)	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	6	6	5.5
Operating Temperature (°C)	-40 to 125	-40 to 125	-40 to 85	-40 to 125	-40 to 125	0 to 70	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125
Package / Case	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
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)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Substitutes (Highest Compatibility):

The NCS20082DMR2G (onsemi) qualifies as a direct substitute based on matching dual-channel configuration, rail-to-rail output, 8-MSOP package, full -40°C to 125°C operating temperature range, and compatible supply voltage span (1.8 V to 5.5 V). This part maintains ROHS3 compliance and MSL 1 rating. Performance parameters remain within acceptable tolerance for general-purpose amplifier applications, with slew rate of 0.4 V/µs and gain bandwidth product of 1.2 MHz.

Compatible Substitutes (Functional Equivalence with Parameter Variations):

The following parts maintain all mandatory compatibility criteria but exhibit performance parameter variations:

LTC6084CMS8#PBF (Analog Devices): CMOS amplifier with superior gain bandwidth product (1.5 MHz) and lower input offset voltage (0.3 mV). Operating temperature range limited to 0°C to 70°C. Suitable for applications not requiring full automotive temperature range.
MCP6272T-E/MS (Microchip): General-purpose amplifier with higher slew rate (0.9 V/µs) and gain bandwidth product (2 MHz). Supply voltage span extends to 6 V maximum. Full -40°C to 125°C operating range maintained.
MCP6L02T-E/MS (Microchip): General-purpose amplifier with moderate slew rate (0.6 V/µs) and 1 MHz gain bandwidth product. Extended supply voltage range (1.8 V to 6 V). Highest inventory availability (105,400 units). Full temperature range supported.
NCS20032DMR2G (onsemi): General-purpose amplifier with significantly higher slew rate (8 V/µs) and gain bandwidth product (7 MHz). Suitable for high-speed applications. Full -40°C to 125°C operating range and ROHS3 compliance maintained.

Limited Compatibility (Restricted Application Scope):

AZV832MMTR-G1 (Diodes Incorporated): CMOS amplifier with reduced operating temperature range (-40°C to 85°C), limiting use in full automotive temperature environments. MSL rating of 3 (168 hours) requires controlled moisture exposure during storage and handling.
LPV542DGKR / LPV542DGKT (Texas Instruments): Ultra-low power CMOS amplifiers with extremely low slew rate (0.0037 V/µs) and minimal gain bandwidth product (8 kHz). Suitable only for low-frequency, ultra-low-power applications. Not recommended for general-purpose signal conditioning.
MAX4246AUA+ / MAX4246AUA+T (Analog Devices/Maxim): General-purpose amplifiers with significantly elevated supply current (375 µA per dual-channel configuration). Operating temperature range -40°C to 125°C supported. Suitable for applications where power consumption is not critical.

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification consistent with the TSV522IYST.

Frequently Asked Questions (FAQ)

Q: Can the NCS20082DMR2G directly replace the TSV522IYST without circuit modifications?

A: The NCS20082DMR2G qualifies as a direct substitute based on matching package (8-MSOP), dual-channel configuration, rail-to-rail output, and operating temperature range (-40°C to 125°C). Pin-to-pin compatibility exists within the 8-pin surface mount family. No circuit modifications are required for basic functionality. However, performance parameter differences (slew rate 0.4 V/µs versus 0.89 V/µs, input offset voltage 500 µV versus 1 mV) may affect high-frequency or precision applications.

Q: What is the significance of the MSL (Moisture Sensitivity Level) rating difference between TSV522IYST (MSL 1) and AZV832MMTR-G1 (MSL 3)?

A: MSL 1 rating indicates unlimited shelf life under controlled storage conditions (less than 30°C and 85% relative humidity). MSL 3 rating restricts shelf life to 168 hours after moisture exposure, requiring desiccant packaging and controlled handling. The AZV832MMTR-G1 demands more stringent moisture control during storage, transportation, and pre-assembly handling. For high-volume production environments with extended component storage, MSL 1 parts are preferred.

Q: Why does the LPV542DGKR have such a low gain bandwidth product (8 kHz) compared to the TSV522IYST (1.15 MHz)?

A: The LPV542DGKR is designed for ultra-low-power, low-frequency applications with extremely low supply current (480 nA per dual-channel configuration). This design trade-off prioritizes power consumption over bandwidth. The LPV542 series is not suitable for general-purpose signal conditioning or audio-frequency applications requiring the TSV522IYST's 1.15 MHz bandwidth.

Q: Are all substitute parts automotive-grade with AEC-Q100 qualification?

A: No. The TSV522IYST carries automotive-grade classification with AEC-Q100 qualification. Among the listed substitutes, only the TSV522IYST explicitly states automotive qualification. Other parts are classified as general-purpose or industrial-grade components. For automotive applications requiring AEC-Q100 compliance, the TSV522IYST or equivalent automotive-qualified alternatives must be specified.

Q: What is the impact of the MCP6272T-E/MS having a maximum supply voltage of 6 V versus the TSV522IYST's 5.5 V maximum?

A: The MCP6272T-E/MS supports extended supply voltage operation up to 6 V, providing additional headroom in applications with unregulated or variable supply rails. The TSV522IYST is rated to 5.5 V maximum. In circuits designed for the TSV522IYST's 5.5 V specification, the MCP6272T-E/MS operates within its rated range. The extended voltage capability of the MCP6272T-E/MS does not create incompatibility; it provides additional design flexibility.

Q: Can the NCS20032DMR2G be used in place of the TSV522IYST for high-speed applications?

A: The NCS20032DMR2G exhibits significantly higher performance specifications (8 V/µs slew rate, 7 MHz gain bandwidth product) compared to the TSV522IYST (0.89 V/µs, 1.15 MHz). This part is suitable for high-speed signal conditioning, fast transient response, and wideband applications. However, the elevated supply current (275 µA per dual-channel configuration versus 45 µA) and output current capability (96 mA per channel versus 55 mA) must be accommodated in the power supply design. Full -40°C to 125°C operating range and ROHS3 compliance are maintained.

Q: What packaging format differences exist among the substitute parts, and do they affect PCB layout?

A: All substitute parts utilize 8-pin surface mount packages within the TSSOP/MSOP family with 0.118" (3.00 mm) width specification. Package variants include 8-MSOP, 8-TSSOP, and 8-VSSOP, which share identical pin pitch (0.65 mm) and footprint dimensions. PCB layout modifications are not required for package substitution within this family. Tape & Reel (TR) and Cut Tape (CT) packaging formats affect component handling and assembly processes but do not impact electrical or mechanical compatibility.

Q: Is the LTC6084CMS8#PBF suitable for automotive applications requiring the full -40°C to 125°C temperature range?

A: No. The LTC6084CMS8#PBF is rated for 0°C to 125°C operating temperature, which does not meet the full automotive temperature specification of -40°C to 125°C required by the TSV522IYST. This part is restricted to industrial or commercial temperature range applications. For automotive applications requiring full temperature coverage, alternative substitutes with -40°C to 125°C ratings must be selected.

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