TSV852AIYST Equivalent & Substitute Parts

Part Overview

The TSV852AIYST is a general-purpose operational amplifier manufactured by STMicroelectronics, featuring dual circuits 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 currently in active product status. The TSV852AIYST is designed for applications requiring low-power, dual-channel amplification across supply voltages from 2.3 V to 5.5 V.

Equivalent and substitute parts are identified based on matching functional characteristics including amplifier type, circuit count, output configuration, and package compatibility. Substitutes are selected from active or available inventory status to ensure design flexibility and supply chain alternatives.

Key Parameters

Parameter	TSV852AIYST Value
Amplifier Type	General Purpose
Number of Circuits	2
Output Type	Rail-to-Rail
Slew Rate	0.7 V/µs
Gain Bandwidth Product	1.3 MHz
Current - Input Bias	27 nA
Voltage - Input Offset	800 µV
Current - Supply	130 µA (x2 Channels)
Current - Output / Channel	70 mA
Voltage - Supply Span (Min)	2.3 V
Voltage - Supply Span (Max)	5.5 V
Operating Temperature	-40°C ~ 125°C
Grade	Automotive
Qualification	AEC-Q100
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the TSV852AIYST are identified based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

Amplifier Type: General Purpose or Voltage Feedback
Number of Circuits: 2 (dual-channel configuration)
Output Type: Rail-to-Rail
Voltage Supply Span: Minimum 2.3 V to 2.7 V; Maximum 5.5 V
Operating Temperature Range: Minimum -40°C capability
Mounting Type: Surface Mount
Package Compatibility: 8-pin configurations (8-TSSOP, 8-MSOP, 8-VSSOP, 8-MiniSO)

Secondary Considerations:

Slew Rate: 0.4 V/µs to 1 V/µs range
Gain Bandwidth Product: 900 kHz to 1.3 MHz range
Current - Input Bias: 1 pA to 27 nA range
Voltage - Input Offset: 800 µV to 1.7 mV range
Current - Supply: 45 µA to 210 µA range
Current - Output / Channel: 12 mA to 160 mA range

Substitutes are grouped by package type and thermal rating to facilitate direct replacement or design adaptation. All substitute parts maintain ROHS3 compliance and surface-mount technology compatibility.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Circuits	Output Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (nA)	Input Offset (mV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package
TSV852AIYST	STMicroelectronics	General Purpose	2	Rail-to-Rail	0.7	1.3	27	0.8	130	70	2.3	5.5	-40 to 125	8-MiniSO
AD8542ARUZ	Analog Devices Inc.	General Purpose	2	Rail-to-Rail	0.92	1	0.004	1	45	30	2.7	5.5	-40 to 125	8-TSSOP
AD8542ARUZ-REEL	Analog Devices Inc.	General Purpose	2	Rail-to-Rail	0.92	1	0.004	1	45	30	2.7	5.5	-40 to 125	8-TSSOP
AZV358GTR-G1	Diodes Incorporated	General Purpose	2	Rail-to-Rail	1	1	15	1.7	210	60	2.7	5.5	-40 to 85	8-TSSOP
AZV358MMTR-G1	Diodes Incorporated	General Purpose	2	Rail-to-Rail	1	1	15	1.7	210	60	2.7	5.5	-40 to 85	8-MSOP
BU7242FVM-TR	Rohm Semiconductor	CMOS	2	Rail-to-Rail	0.4	0.9	0.001	1	180	12	1.8	5.5	-40 to 85	8-MSOP
BU7242SFVM-TR	Rohm Semiconductor	CMOS	2	Rail-to-Rail	0.4	0.9	0.001	1	180	12	1.8	5.5	-40 to 105	8-MSOP
LMV358DMR2G	onsemi	Voltage Feedback	2	Rail-to-Rail	1	1	1	1.7	100	160	2.7	5.5	-40 to 85	8-MSOP
LMV358IDGKR	Texas Instruments	General Purpose	2	Rail-to-Rail	1	1	15	1.7	210	40	2.7	5.5	-40 to 125	8-VSSOP
LMV358IPW	Texas Instruments	General Purpose	2	Rail-to-Rail	1	1	15	1.7	210	40	2.7	5.5	-40 to 125	8-TSSOP
LMV358IPWR	Texas Instruments	General Purpose	2	Rail-to-Rail	1	1	15	1.7	210	40	2.7	5.5	-40 to 125	8-TSSOP

Engineering Selection Recommendations

Direct Substitutes with Extended Temperature Range (-40°C to 125°C):

The AD8542ARUZ and AD8542ARUZ-REEL (Analog Devices Inc.) provide direct functional substitution with extended temperature capability matching the TSV852AIYST. Both variants maintain the -40°C to 125°C operating range and are ROHS3 compliant. The AD8542ARUZ-REEL variant offers higher inventory availability (7,168 units) in Cut Tape & Digi-Reel packaging, while the AD8542ARUZ is available in Tube packaging (2,114 units). These parts feature lower input bias current (4 pA) and reduced supply current (45 µA), making them suitable for low-power applications.

The LMV358IPW and LMV358IPWR (Texas Instruments) also maintain the -40°C to 125°C temperature range with ROHS3 compliance. The LMV358IPW is marked as Last Time Buy status with substantial inventory (5,000,200 units), while LMV358IPWR is in active status with 35,100 units available. Both support 8-TSSOP packaging and are functionally equivalent to the TSV852AIYST.

The LMV358IDGKR (Texas Instruments) extends the temperature range to -40°C to 125°C and is available in 8-VSSOP packaging with 90,323 units in stock. This variant is in active product status with ROHS3 compliance.

Substitutes with Reduced Temperature Range (-40°C to 85°C):

The AZV358GTR-G1 and AZV358MMTR-G1 (Diodes Incorporated) provide functional equivalence with reduced upper temperature limit (85°C). The AZV358GTR-G1 is available in 8-TSSOP packaging (3,782 units), while AZV358MMTR-G1 is available in 8-MSOP packaging (98,100 units) with higher inventory. Both are ROHS3 compliant and in active status.

The LMV358DMR2G (onsemi) operates to 85°C maximum and is available in 8-MSOP packaging with 34,690 units in stock. This part is in active status with ROHS3 compliance and features higher output current capability (160 mA per channel).

CMOS Alternatives:

The BU7242FVM-TR and BU7242SFVM-TR (Rohm Semiconductor) offer CMOS amplifier technology with extended lower supply voltage capability (1.8 V minimum). The BU7242SFVM-TR extends the temperature range to -40°C to 105°C. Both are ROHS3 compliant and available in 8-MSOP packaging. These parts feature extremely low input bias current (1 pA) but reduced output current capability (12 mA per channel) and lower slew rate (0.4 V/µs).

Packaging Considerations:

The TSV852AIYST uses 8-MiniSO packaging (0.118", 3.00mm width). Direct package compatibility exists with 8-MSOP variants (AZV358MMTR-G1, BU7242FVM-TR, BU7242SFVM-TR, LMV358DMR2G). Substitutes using 8-TSSOP (0.173", 4.40mm width) or 8-VSSOP packaging require PCB layout adaptation but maintain functional equivalence.

Frequently Asked Questions (FAQ)

Q: Can the AD8542ARUZ directly replace the TSV852AIYST?

A: The AD8542ARUZ provides functional equivalence with matching dual-circuit, rail-to-rail configuration and -40°C to 125°C temperature range. However, the package differs: AD8542ARUZ uses 8-TSSOP (0.173", 4.40mm width) versus TSV852AIYST 8-MiniSO (0.118", 3.00mm width). PCB layout modification is required for direct substitution.

Q: What is the key difference between the LMV358IPW and LMV358IPWR?

A: Both parts are functionally identical with matching electrical specifications and -40°C to 125°C temperature range. The primary difference is packaging format: LMV358IPW is supplied in Tube packaging and is marked Last Time Buy status, while LMV358IPWR is supplied in Cut Tape & Digi-Reel packaging and is in active product status. LMV358IPWR is recommended for new designs.

Q: Why do some substitutes have a maximum temperature of 85°C instead of 125°C?

A: The AZV358 series (Diodes Incorporated) and LMV358DMR2G (onsemi) are rated to 85°C maximum operating temperature. These parts are suitable for applications where the ambient temperature does not exceed 85°C. For applications requiring the full -40°C to 125°C range, select AD8542ARUZ, LMV358IPW, LMV358IPWR, or LMV358IDGKR.

Q: What are the advantages of the BU7242 CMOS alternatives?

A: The BU7242FVM-TR and BU7242SFVM-TR offer extremely low input bias current (1 pA) and extended lower supply voltage capability (1.8 V minimum). These characteristics make them suitable for ultra-low-power and low-voltage applications. However, output current capability is limited to 12 mA per channel, and slew rate is reduced to 0.4 V/µs. These trade-offs must be evaluated against application requirements.

Q: Is the TSV852AIYST automotive-qualified, and do all substitutes maintain this qualification?

A: The TSV852AIYST carries AEC-Q100 automotive qualification. The substitute parts listed do not explicitly carry AEC-Q100 qualification in the provided specifications. For automotive applications requiring AEC-Q100 compliance, the TSV852AIYST is the specified choice. Substitutes are suitable for industrial and commercial applications.

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

A: The TSV852AIYST has MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Most substitutes also carry MSL 1 or MSL 2 ratings. The AZV358 series carries MSL 3 (168 Hours), requiring controlled storage and handling procedures. For high-volume manufacturing with extended storage, MSL 1 or MSL 2 parts are preferred.

Q: Can I use the LMV358IDGKR in place of the TSV852AIYST without PCB modification?

A: The LMV358IDGKR uses 8-VSSOP packaging (0.118", 3.00mm width), which matches the TSV852AIYST physical footprint. However, pin configuration must be verified against the specific package variant. Electrical specifications are compatible with -40°C to 125°C operation and ROHS3 compliance maintained.

Q: What is the difference between Cut Tape & Digi-Reel and Tube packaging?

A: Cut Tape & Digi-Reel packaging is supplied on continuous tape with reel format, suitable for automated pick-and-place assembly. Tube packaging supplies components in plastic tubes, typically for manual assembly or lower-volume applications. Both formats contain identical components; packaging selection depends on manufacturing process requirements.

Q: Are all listed substitutes ROHS3 compliant?

A: Yes, all substitute parts listed are ROHS3 compliant, matching the TSV852AIYST compliance status. All parts are also REACH Unaffected and carry EAR99 ECCN classification.

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