TSV524IPT Equivalent & Substitute Parts

Part Overview

The TSV524IPT is a CMOS four-circuit rail-to-rail amplifier manufactured by STMicroelectronics in a 14-TSSOP surface mount package. This linear amplifier operates across a 2.7V to 5.5V supply range and is qualified to AEC-Q100 automotive standards. The device is active and in production with 12,300 units in stock. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to component availability, supply chain considerations, or design flexibility within specified parameter tolerances.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40°C ~ 125°C	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the TSV524IPT are grouped based on strict electrical and mechanical compatibility criteria. All substitute candidates must satisfy the following requirements:

Mandatory Compatibility Parameters:

Package / Case: 14-TSSOP (0.173", 4.40mm Width)
Number of Circuits: 4
Output Type: Rail-to-Rail
Mounting Type: Surface Mount
Voltage - Supply Span (Min): 2.7V or lower
Voltage - Supply Span (Max): 5.5V or higher
Operating Temperature: -40°C to 125°C minimum
RoHS3 Compliance
MSL: 1 (Unlimited)

Substitution Categories:

Category A: Direct CMOS Amplifier Substitutes Parts with CMOS amplifier topology matching the TSV524IPT electrical characteristics within specified parameter ranges. These include AD8604ARUZ, AD8604ARUZ-REEL, AD8604DRUZ, AD8604DRUZ-REEL, and AD8608ARUZ, AD8608ARUZ-REEL variants.

Category B: General Purpose Amplifier Substitutes Parts with general purpose amplifier topology and equivalent rail-to-rail output capability. These include AD8534ARUZ, AD8534ARUZ-REEL, AD8544ARUZ, and AD8544ARUZ-REEL variants. These parts operate within the required supply voltage and temperature ranges but exhibit different slew rate and gain bandwidth characteristics.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	Gain Bandwidth Product (MHz)	Current - Input Bias (pA)	Voltage - Input Offset (mV)	Current - Supply (µA x4)	Current - Output / Channel (mA)	Voltage - Supply Span Min (V)	Voltage - Supply Span Max (V)	Operating Temperature (°C)	Packaging
TSV524IPT	STMicroelectronics	CMOS	0.89	1.15	1	1	45	55	2.7	5.5	-40 ~ 125	Digi-Reel®
AD8534ARUZ	Analog Devices Inc.	General Purpose	5	3	5	25	750	250	2.7	6	-40 ~ 85	Tube
AD8534ARUZ-REEL	Analog Devices Inc.	General Purpose	5	3	5	25	750	250	2.7	6	-40 ~ 85	Cut Tape (CT) & Digi-Reel®
AD8544ARUZ	Analog Devices Inc.	General Purpose	0.92	1	4	1	45	30	2.7	5.5	-40 ~ 125	Tube
AD8544ARUZ-REEL	Analog Devices Inc.	General Purpose	0.92	1	4	1	45	30	2.7	5.5	-40 ~ 125	Cut Tape (CT) & Digi-Reel®
AD8604ARUZ	Analog Devices Inc.	CMOS	6	8.4	0.2	0.08	750	50	2.7	5.5	-40 ~ 125	Tube
AD8604ARUZ-REEL	Analog Devices Inc.	CMOS	6	8.4	0.2	0.08	750	50	2.7	5.5	-40 ~ 125	Cut Tape (CT) & Digi-Reel®
AD8604DRUZ	Analog Devices Inc.	CMOS	6	8.4	0.2	1.3	750	50	2.7	5.5	-40 ~ 125	Tube
AD8604DRUZ-REEL	Analog Devices Inc.	CMOS	6	8.4	0.2	1.3	750	50	2.7	5.5	-40 ~ 125	Cut Tape (CT) & Digi-Reel®
AD8608ARUZ	Analog Devices Inc.	CMOS	5	10	1	0.08	1000	80	2.7	5.5	-40 ~ 125	Tube
AD8608ARUZ-REEL	Analog Devices Inc.	CMOS	5	10	1	0.08	1000	80	2.7	5.5	-40 ~ 125	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

AD8544ARUZ and AD8544ARUZ-REEL

These Analog Devices general purpose amplifiers provide the closest electrical match to the TSV524IPT. Both variants operate across the full -40°C to 125°C temperature range, matching the automotive-grade thermal specification. Slew rate (0.92V/µs) and gain bandwidth product (1 MHz) are nearly equivalent to the TSV524IPT. Supply current consumption (45µA across four channels) is identical. Both are ROHS3 compliant with MSL 1 rating. The AD8544ARUZ-REEL variant offers Digi-Reel® packaging matching the original part's packaging format. Output current per channel (30 mA) is lower than the TSV524IPT (55 mA), requiring verification for applications demanding higher output drive capability.

AD8604DRUZ and AD8604DRUZ-REEL

These Analog Devices CMOS amplifiers share identical amplifier topology with the TSV524IPT and operate across the full -40°C to 125°C temperature range. Both are ROHS3 compliant with MSL 1 rating. The AD8604DRUZ-REEL variant provides Digi-Reel® packaging compatibility. These parts exhibit higher slew rate (6V/µs) and gain bandwidth product (8.4 MHz), providing enhanced dynamic performance. Supply current consumption is higher (750µA across four channels) compared to the TSV524IPT (45µA), impacting power budget considerations. Input offset voltage (1.3 mV) remains within acceptable precision amplifier specifications.

AD8608ARUZ and AD8608ARUZ-REEL

These Analog Devices CMOS amplifiers operate across the full -40°C to 125°C temperature range with ROHS3 compliance and MSL 1 rating. The AD8608ARUZ-REEL variant provides Digi-Reel® packaging. These parts deliver the highest performance metrics: slew rate (5V/µs), gain bandwidth product (10 MHz), and output current per channel (80 mA). Supply current consumption (1mA across four channels) is significantly higher than the TSV524IPT. These parts are suitable for applications requiring enhanced bandwidth and output drive capability.

AD8534ARUZ and AD8534ARUZ-REEL

These Analog Devices general purpose amplifiers operate within the required supply voltage range (2.7V to 6V) but are limited to -40°C to 85°C operating temperature, below the TSV524IPT's 125°C maximum. These parts are not suitable for automotive-grade applications requiring full -40°C to 125°C operation. Selection of these parts requires confirmation that application temperature requirements do not exceed 85°C.

Frequently Asked Questions (FAQ)

Q: Can AD8544ARUZ-REEL directly replace TSV524IPT in automotive applications?

A: Yes. The AD8544ARUZ-REEL operates across the full -40°C to 125°C temperature range required for automotive-grade components. Both parts are ROHS3 compliant with MSL 1 rating. The 14-TSSOP package and Digi-Reel® packaging format are identical. Electrical parameters including slew rate (0.92V/µs vs. 0.89V/µs) and gain bandwidth product (1 MHz vs. 1.15 MHz) are closely matched. The primary design consideration is output current per channel: AD8544ARUZ-REEL provides 30 mA versus TSV524IPT's 55 mA. Applications requiring the full 55 mA output current must be evaluated for compatibility with the reduced 30 mA specification.

Q: What is the key difference between AD8604DRUZ and AD8604ARUZ?

A: Both parts are CMOS amplifiers with identical electrical performance except for input offset voltage. AD8604DRUZ specifies 1.3 mV input offset voltage, while AD8604ARUZ specifies 80 µV. The AD8604ARUZ provides tighter input offset voltage specification, suitable for precision applications. Both operate across -40°C to 125°C and are ROHS3 compliant. Selection depends on application precision requirements and cost considerations.

Q: Why do AD8534ARUZ variants have a lower maximum operating temperature than TSV524IPT?

A: AD8534ARUZ and AD8534ARUZ-REEL are specified for -40°C to 85°C operation, while TSV524IPT operates to 125°C. This temperature limitation restricts AD8534 variants to non-automotive or non-extended-temperature applications. For automotive-grade designs or applications requiring operation above 85°C, AD8544 or AD8604 variants are required.

Q: Are all substitute parts available in Digi-Reel® packaging?

A: No. Digi-Reel® packaging is available for AD8544ARUZ-REEL, AD8604ARUZ-REEL, AD8604DRUZ-REEL, and AD8608ARUZ-REEL. AD8534ARUZ, AD8544ARUZ, AD8604ARUZ, AD8604DRUZ, and AD8608ARUZ are supplied in Tube packaging. For applications requiring Digi-Reel® format, select only the "-REEL" variants.

Q: What is the impact of higher supply current consumption in AD8604 and AD8608 variants?

A: AD8604 variants consume 750µA across four channels, and AD8608 variants consume 1mA across four channels, compared to TSV524IPT's 45µA. This increased consumption impacts power budget and thermal design. Applications with strict power consumption limits or battery-powered operation must account for this difference. High-performance applications requiring enhanced bandwidth and output drive capability accept this trade-off.

Q: Can AD8534ARUZ-REEL be used in place of TSV524IPT for non-automotive applications?

A: AD8534ARUZ-REEL is suitable for non-automotive applications where operating temperature does not exceed 85°C. The part is ROHS3 compliant with MSL 1 rating and operates within the required 2.7V to 5.5V supply range. However, slew rate (5V/µs) and gain bandwidth product (3 MHz) are significantly higher than TSV524IPT, and supply current consumption (750µA) is substantially increased. These performance differences must be evaluated for application compatibility.

Q: What packaging considerations apply when substituting TSV524IPT?

A: All substitute parts use the 14-TSSOP (0.173", 4.40mm Width) surface mount package, ensuring mechanical compatibility with existing PCB layouts. Packaging format differs: TSV524IPT is supplied in Digi-Reel®, while most substitutes are supplied in Tube. For Digi-Reel® format compatibility, select only "-REEL" variants. MSL 1 (Unlimited) rating is consistent across all parts, eliminating moisture sensitivity concerns.

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