TLV2634IPWR Equivalent & Substitute Parts

Part Overview

The TLV2634IPWR is a general-purpose operational amplifier manufactured by Texas Instruments, featuring four independent circuits in a 14-TSSOP surface-mount package. This device delivers rail-to-rail output capability with a 10 V/µs slew rate and 9 MHz gain-bandwidth product, suitable for low-power analog signal processing applications across industrial, consumer, and automotive domains.

The TLV2634IPWR is designated as Last Time Buy, indicating discontinued production. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain stability, and support long-term product availability for existing and new applications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Slew Rate	10	V/µs
Gain Bandwidth Product	9	MHz
Current - Input Bias	0.7	pA
Voltage - Input Offset	1.1	mV
Current - Supply (x4 Channels)	3.8	mA
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	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the TLV2634IPWR is determined by strict alignment with the following critical parameters:

Mandatory Matching Criteria:

Package / Case: 14-TSSOP (0.173", 4.40mm Width)
Number of Circuits: 4
Output Type: Rail-to-Rail
Operating Temperature Range: -40°C to 125°C
Mounting Type: Surface Mount
RoHS3 Compliance

Performance Compatibility Parameters:

Voltage - Supply Span: Minimum 2.7 V, Maximum 5.5 V (substitute must support this range or broader)
Slew Rate: 10 V/µs (substitute performance may vary; lower slew rates acceptable for non-time-critical applications)
Gain Bandwidth Product: 9 MHz (substitute performance may vary)
Current - Supply: 3.8 mA per four channels (substitute may differ)
Current - Output / Channel: 28 mA (substitute may differ)

Substitute parts are grouped into two functional categories:

Category A: General Purpose Amplifiers (Amplifier Type Match)

ADA4692-4ARUZ
ADA4692-4ARUZ-RL
ISL28414FVZ
ISL28414FVZ-T13
ISL28414FVZ-T7
MAX4487AUD+T

Category B: CMOS Amplifiers (Alternative Technology)

TLV9064IPWR
AD8604DRUZ
AD8604DRUZ-REEL
AD8619WARUZ-R7

Category A substitutes maintain the general-purpose amplifier classification and are direct functional equivalents. Category B substitutes employ CMOS technology, offering reduced power consumption and alternative electrical characteristics while maintaining package and pin compatibility.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (mV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Product Status
TLV2634IPWR	Texas Instruments	General Purpose	10	9	0.7	1.1	3.8	28	2.7	5.5	Last Time Buy
TLV9064IPWR	Texas Instruments	CMOS	6.5	10	0.5	0.3	0.538	50	1.8	5.5	Active
AD8604DRUZ	Analog Devices Inc.	CMOS	6	8.4	0.2	1.3	0.75	50	2.7	5.5	Active
AD8604DRUZ-REEL	Analog Devices Inc.	CMOS	6	8.4	0.2	1.3	0.75	50	2.7	5.5	Active
AD8619WARUZ-R7	Analog Devices Inc.	CMOS	0.1	0.4	0.2	0.4	0.038	80	1.8	5	Active
ADA4692-4ARUZ	Analog Devices Inc.	General Purpose	1.3	3.6	0.5	0.5	0.18	55	2.7	5	Active
ADA4692-4ARUZ-RL	Analog Devices Inc.	General Purpose	1.3	3.6	0.5	0.5	0.18	55	2.7	5	Active
ISL28414FVZ	Renesas Electronics	General Purpose	2.5	5	3	0.5	0.3	31	1.8	5.5	Active
ISL28414FVZ-T13	Renesas Electronics	General Purpose	2.5	5	3	0.5	0.3	31	1.8	5.5	Active
ISL28414FVZ-T7	Renesas Electronics	General Purpose	2.5	5	3	0.5	0.3	31	1.8	5.5	Active
MAX4487AUD+T	Analog Devices Inc./Maxim	General Purpose	20	7	0.1	0.3	2.2	33	2.7	5.5	Active

Engineering Selection Recommendations

For Direct Functional Replacement (General Purpose Category):

The ISL28414FVZ, ISL28414FVZ-T13, and ISL28414FVZ-T7 (Renesas Electronics) provide the closest functional alignment to the TLV2634IPWR. These devices maintain general-purpose amplifier classification, support the full 2.7 V to 5.5 V supply range, and deliver comparable output current capability (31 mA per channel). All three variants are in Active product status with ROHS3 compliance and MSL 2 rating. Selection between these three depends on packaging preference: ISL28414FVZ (Tube), ISL28414FVZ-T13 (Tape & Reel, T13 reel), and ISL28414FVZ-T7 (Tape & Reel, T7 reel).

The MAX4487AUD+T (Analog Devices Inc./Maxim Integrated) offers superior slew rate performance (20 V/µs) and lower input bias current (0.1 pA), making it suitable for applications requiring faster transient response. This device is Active status with ROHS3 compliance and MSL 1 rating.

The ADA4692-4ARUZ and ADA4692-4ARUZ-RL (Analog Devices Inc.) are Active general-purpose alternatives with reduced power consumption (0.18 mA per four channels). These are suitable for battery-powered or low-power applications where the lower slew rate (1.3 V/µs) and gain-bandwidth product (3.6 MHz) are acceptable. Both variants are ROHS3 compliant with MSL 1 rating. Selection between these two depends on packaging: ADA4692-4ARUZ (Tube) or ADA4692-4ARUZ-RL (Cut Tape & Digi-Reel).

For Low-Power Applications (CMOS Category):

The TLV9064IPWR (Texas Instruments) delivers the lowest supply current (0.538 mA per four channels) while maintaining Active product status and ROHS3 compliance. This device supports extended supply range (1.8 V to 5.5 V) and offers improved input offset voltage (0.3 mV). MSL 2 rating applies.

The AD8604DRUZ and AD8604DRUZ-REEL (Analog Devices Inc.) provide CMOS technology with comparable performance to TLV9064IPWR. Both are Active, ROHS3 compliant, and MSL 1 rated. Selection depends on packaging: AD8604DRUZ (Tube) or AD8604DRUZ-REEL (Cut Tape & Digi-Reel).

For Ultra-Low-Power Applications:

The AD8619WARUZ-R7 (Analog Devices Inc.) is specified for applications requiring minimal supply current (0.038 mA). This device operates across 1.8 V to 5 V supply range and is Active with ROHS3 compliance. MSL 3 rating (168 hours) applies. Note: Slew rate (0.1 V/µs) and gain-bandwidth product (400 kHz) are significantly reduced; this device is suitable only for DC-coupled or very low-frequency signal processing.

All recommended substitutes are surface-mount 14-TSSOP packages with four independent circuits and rail-to-rail output capability, ensuring mechanical and electrical compatibility with the TLV2634IPWR footprint and pinout.

Frequently Asked Questions (FAQ)

Q1: Can I directly replace TLV2634IPWR with any of these substitute parts without PCB modification?

A: Yes, all listed substitute parts use the identical 14-TSSOP package with the same pinout and footprint. No PCB layout changes are required. However, electrical performance differences (slew rate, gain-bandwidth product, supply current) must be evaluated against your specific application requirements.

Q2: What is the primary difference between Category A (General Purpose) and Category B (CMOS) substitutes?

A: Category A substitutes maintain the general-purpose amplifier architecture and electrical characteristics similar to the original TLV2634IPWR. Category B substitutes employ CMOS technology, offering significantly reduced power consumption (0.038 mA to 0.75 mA versus 3.8 mA) at the cost of lower slew rates and different input offset voltage specifications. Category B is preferred for battery-powered or energy-constrained applications.

Q3: The TLV2634IPWR is Last Time Buy. Which substitute offers the best long-term availability?

A: All recommended substitutes are designated Active product status, ensuring continued manufacturing and supply. Texas Instruments TLV9064IPWR, Analog Devices AD8604DRUZ, and Renesas ISL28414FVZ series represent three independent manufacturers, providing supply chain redundancy and long-term availability assurance.

Q4: My application requires 10 V/µs slew rate. Which substitutes meet this specification?

A: The MAX4487AUD+T (20 V/µs) exceeds this requirement. The TLV2634IPWR original specification (10 V/µs) is not matched by any substitute; the closest alternatives are TLV9064IPWR (6.5 V/µs) and AD8604DRUZ (6 V/µs). For applications where slew rate is critical, MAX4487AUD+T is the recommended choice.

Q5: What is the difference between ISL28414FVZ, ISL28414FVZ-T13, and ISL28414FVZ-T7?

A: These three parts are electrically identical. The differences are packaging format only: ISL28414FVZ is supplied in Tube packaging, while ISL28414FVZ-T13 and ISL28414FVZ-T7 are supplied on Cut Tape & Digi-Reel with different reel sizes (T13 and T7 designations). Select based on your procurement and assembly process requirements.

Q6: Can I use AD8604DRUZ-REEL instead of AD8604DRUZ?

A: Yes. Both parts are electrically identical CMOS amplifiers. The difference is packaging: AD8604DRUZ is supplied in Tube format, while AD8604DRUZ-REEL is supplied on Cut Tape & Digi-Reel. Choose based on your assembly line requirements and inventory management preferences.

Q7: What does MSL (Moisture Sensitivity Level) mean, and why does it vary among substitutes?

A: MSL indicates the maximum time a component can be exposed to ambient moisture before soldering. MSL 1 (Unlimited) allows indefinite storage without special handling. MSL 2 (1 Year) requires controlled storage conditions. MSL 3 (168 Hours) requires the strictest moisture control. For standard manufacturing environments, MSL 1 and MSL 2 parts are equivalent in practical application. MSL 3 parts require bake-out procedures before assembly.

Q8: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the environmental compliance of the original TLV2634IPWR. All parts are also REACH Unaffected and carry EAR99 export classification.

Q9: My circuit operates at 1.8 V supply. Which substitutes are compatible?

A: The TLV9064IPWR, ISL28414FVZ series, and AD8619WARUZ-R7 support 1.8 V minimum supply voltage. The TLV2634IPWR, AD8604DRUZ variants, ADA4692 series, and MAX4487AUD+T require minimum 2.7 V supply. Verify your actual supply voltage before selecting a substitute.

Q10: Which substitute offers the lowest input offset voltage?

A: The TLV9064IPWR specifies 0.3 mV input offset voltage, the lowest among all substitutes. The MAX4487AUD+T also specifies 0.3 mV. For applications requiring minimal DC offset, these two are preferred. The original TLV2634IPWR specifies 1.1 mV input offset voltage.

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