TLV2631IDBVT Equivalent & Substitute Parts

Part Overview

The TLV2631IDBVT is a general-purpose operational amplifier manufactured by Texas Instruments, packaged in SOT-23-5 surface mount configuration. This device features rail-to-rail output capability and operates across a 2.7 V to 5.5 V supply range, making it suitable for low-voltage analog signal processing applications. The part is currently in Last Time Buy status, indicating end-of-life production. Equivalent and substitute parts are necessary to ensure design continuity and maintain supply chain reliability for applications requiring this amplifier topology.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	10	V/µs
Gain Bandwidth Product	9	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	250	µV
Current - Supply	730	µA
Current - Output / Channel	28	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Package / Case	SC-74A, SOT-753	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TLV2631IDBVT is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Package type: SOT-23-5 (SC-74A, SOT-753)
Output configuration: Rail-to-rail
Number of circuits: Single amplifier
Supply voltage range: Minimum 2.7 V, maximum 5.5 V
Operating temperature range: -40°C to 125°C
Surface mount technology
RoHS3 compliance and MSL 1 rating

Performance Parameters Affecting Substitution:

Slew rate (10 V/µs baseline)
Gain bandwidth product (9 MHz baseline)
Input bias current (1 pA baseline)
Input offset voltage (250 µV baseline)
Supply current (730 µA baseline)
Output current capability (28 mA baseline)

Substitute parts must maintain compatibility with all mandatory criteria. Performance parameters may vary within acceptable application tolerances, provided the substitute does not degrade system performance below design requirements.

Parameter Comparison

Parameter	TLV2631IDBVT	TLV9061IDBVR	AD8515ARTZ-REEL	AD8601ARTZ-REEL	ISL28114FHZ-T7A
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Renesas Electronics
Amplifier Type	General Purpose	CMOS	General Purpose	General Purpose	General Purpose
Number of Circuits	1	1	1	1	1
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	10	6.5	2.7	6	2.5
Gain Bandwidth Product (MHz)	9	10	5	8.4	5
Current - Input Bias (pA)	1	0.5	5	0.2	3
Voltage - Input Offset (µV)	250	300	1000	80	500
Current - Supply (µA)	730	538	410	750	300
Current - Output / Channel (mA)	28	50	20	50	31
Voltage - Supply Span Min (V)	2.7	1.8	1.8	2.7	1.8
Voltage - Supply Span Max (V)	5.5	5.5	5	5.5	5.5
Operating Temperature (°C)	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125
Package / Case	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Last Time Buy	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitute: TLV9061IDBVR (Texas Instruments)

The TLV9061IDBVR is the manufacturer-recommended substitute from Texas Instruments. This CMOS amplifier maintains identical package configuration (SOT-23-5), supply voltage range (1.8 V to 5.5 V), and operating temperature specifications. The TLV9061IDBVR offers superior input bias current (0.5 pA versus 1 pA) and higher output current capability (50 mA versus 28 mA). Slew rate is reduced to 6.5 V/µs, and gain bandwidth product increases to 10 MHz. Product status is Active with high inventory availability (17,200 units). This part is suitable for direct replacement in applications where the enhanced performance characteristics do not conflict with existing circuit design constraints.

Secondary Substitutes: AD8601 Series (Analog Devices Inc.)

The AD8601ARTZ-REEL, AD8601ARTZ-REEL7, AD8601ARTZ-R2, and AD8601WARTZ-R7 variants provide alternative sourcing from Analog Devices. All AD8601 variants maintain SOT-23-5 packaging and 2.7 V to 5.5 V supply range. These parts feature superior input offset voltage (80 µV versus 250 µV) and extremely low input bias current (0.2 pA). Slew rate is 6 V/µs with 8.4 MHz gain bandwidth product. Output current capability is 50 mA. Product status is Active across all variants with substantial inventory levels. The AD8601WARTZ-R7 and AD8601WDRTZ-REEL7 variants include automotive-grade qualification. These parts are suitable for applications requiring lower offset voltage and input bias current specifications.

Tertiary Substitutes: AD8515 Series (Analog Devices Inc.)

The AD8515ARTZ-REEL and AD8515ARTZ-REEL7 provide lower-performance alternatives with reduced slew rate (2.7 V/µs) and gain bandwidth product (5 MHz). Supply voltage range is 1.8 V to 5 V, which may limit compatibility with 5.5 V applications. Input offset voltage is 1 mV, and output current is 20 mA. These parts are suitable only for applications with relaxed performance requirements and lower supply voltage constraints.

Quaternary Substitute: ISL28114FHZ-T7A (Renesas Electronics Corporation)

The ISL28114FHZ-T7A from Renesas maintains SOT-23-5 packaging and 1.8 V to 5.5 V supply range. This part features the lowest supply current (300 µA) among all substitutes, making it suitable for battery-powered applications. Slew rate is 2.5 V/µs with 5 MHz gain bandwidth product. Input offset voltage is 500 µV. Output current capability is 31 mA. Product status is Active with 9,415 units in inventory. This part is suitable for power-constrained applications where reduced supply current is a primary design requirement.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 (unlimited) moisture sensitivity rating, ensuring compatibility with existing supply chain and manufacturing processes. All parts are classified under ECCN EAR99 and HTSUS 8542.33.0001.

Frequently Asked Questions (FAQ)

Q1: Can TLV9061IDBVR be used as a direct drop-in replacement for TLV2631IDBVT?

A: The TLV9061IDBVR is electrically compatible within the SOT-23-5 package and maintains the same pinout. However, performance characteristics differ: slew rate is reduced from 10 V/µs to 6.5 V/µs, while gain bandwidth product increases from 9 MHz to 10 MHz. Input bias current is lower (0.5 pA versus 1 pA), and output current capability is higher (50 mA versus 28 mA). Verify that these performance differences do not conflict with circuit design requirements before substitution.

Q2: What is the primary reason to substitute the TLV2631IDBVT?

A: The TLV2631IDBVT is in Last Time Buy status, indicating discontinued production. Substitution is necessary to secure long-term supply availability. The TLV9061IDBVR is the manufacturer-recommended alternative from Texas Instruments with Active product status.

Q3: Are all substitute parts available in the same packaging?

A: Yes. All substitute parts listed are packaged in SOT-23-5 (SC-74A, SOT-753) surface mount configuration, identical to the TLV2631IDBVT. This ensures mechanical and electrical compatibility with existing PCB layouts and assembly processes.

Q4: Which substitute offers the lowest power consumption?

A: The ISL28114FHZ-T7A from Renesas Electronics features the lowest supply current at 300 µA, compared to 730 µA for the TLV2631IDBVT. This makes it suitable for battery-powered and energy-constrained applications.

Q5: Which substitute offers the best input offset voltage performance?

A: The AD8601 series variants (AD8601ARTZ-REEL, AD8601ARTZ-REEL7, AD8601ARTZ-R2, AD8601WARTZ-R7, AD8601WDRTZ-REEL7) feature the lowest input offset voltage at 80 µV, compared to 250 µV for the TLV2631IDBVT. This provides superior DC accuracy for precision analog applications.

Q6: Can substitutes be used in automotive applications?

A: The AD8601WARTZ-R7 and AD8601WDRTZ-REEL7 variants are qualified for automotive-grade applications. Other substitutes are industrial-grade and require verification against specific automotive qualification requirements.

Q7: What is the supply voltage compatibility range for all substitutes?

A: The TLV2631IDBVT operates from 2.7 V to 5.5 V. Substitute compatibility varies: TLV9061IDBVR (1.8 V to 5.5 V), AD8515 series (1.8 V to 5 V), AD8601 series (2.7 V to 5.5 V), and ISL28114FHZ-T7A (1.8 V to 5.5 V). Verify that the selected substitute supports the required supply voltage range for your application.

Q8: Are there performance trade-offs when substituting?

A: Yes. Substitutes offer different performance profiles. The TLV9061IDBVR provides higher output current and gain bandwidth product but lower slew rate. The AD8601 series offers superior offset voltage and input bias current but similar slew rate. The ISL28114FHZ-T7A prioritizes low supply current at the expense of slew rate and gain bandwidth product. Select the substitute based on the performance parameters most critical to your application.

Q9: Do all substitutes meet RoHS and REACH compliance?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, maintaining compatibility with environmental and regulatory requirements.

Q10: What inventory levels are available for each substitute?

A: Current inventory levels are: TLV9061IDBVR (17,200 units), AD8515ARTZ-REEL (19,461 units), AD8515ARTZ-REEL7 (69,074 units), AD8601ARTZ-R2 (4,900 units), AD8601ARTZ-REEL (12,700 units), AD8601ARTZ-REEL7 (21,300 units), AD8601WARTZ-R7 (33,760 units), AD8601WDRTZ-REEL7 (2,227 units), and ISL28114FHZ-T7A (9,415 units). Verify current availability with your supplier before design finalization.

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