TLV2771CDBVT Equivalent & Substitute Parts

Part Overview

The TLV2771CDBVT 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 is designed for low-power analog signal processing applications. The TLV2771CDBVT is classified as Last Time Buy, indicating discontinued production status. Identification of equivalent and substitute parts is necessary to ensure design continuity and procurement availability for new production runs and long-term support.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	10.5	V/µs
Gain Bandwidth Product	5.1	MHz
Current - Input Bias	2	pA
Voltage - Input Offset	500	µV
Current - Supply	1	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	0 to 70	°C
Package / Case	SC-74A, SOT-753	—
Supplier Device Package	SOT-23-5	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the TLV2771CDBVT are qualified based on the following criteria:

Primary Compatibility Requirements:

Single-circuit general-purpose operational amplifier
Rail-to-rail output configuration
SOT-23-5 package (SC-74A, SOT-753)
Surface mount technology
Supply voltage range compatibility: minimum 2.5 V to 5.5 V maximum
Output current capability: 50 mA per channel
RoHS3 compliance and MSL Level 1

Secondary Performance Parameters:

Slew rate: 10.5 V/µs (TLV2771CDBVT baseline)
Gain bandwidth product: 5.1 MHz (TLV2771CDBVT baseline)
Input bias current: 2 pA (TLV2771CDBVT baseline)
Input offset voltage: 500 µV (TLV2771CDBVT baseline)
Supply current: 1 mA (TLV2771CDBVT baseline)

Substitute parts are grouped into two categories:

Category 1: Direct Manufacturer Variants (Texas Instruments)

TLV2771CDBVR: Identical electrical specifications, Active product status, higher inventory availability

Category 2: Cross-Manufacturer Substitutes (Analog Devices, Maxim Integrated, Microchip Technology)

Parts meeting core package, output type, and supply voltage requirements
Performance parameters may exceed baseline specifications
All parts maintain SOT-23-5 package compatibility and surface mount configuration

Parameter Comparison

Part Number	Manufacturer	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Product Status
TLV2771CDBVT	Texas Instruments	10.5	5.1	2	500	1000	50	2.5	5.5	0 to 70	Last Time Buy
TLV2771CDBVR	Texas Instruments	10.5	5.1	2	500	1000	50	2.5	5.5	0 to 70	Active
AD8601ARTZ-R2	Analog Devices Inc.	6	8.4	0.2	80	750	50	2.7	5.5	-40 to 125	Active
AD8601ARTZ-REEL	Analog Devices Inc.	6	8.4	0.2	80	750	50	2.7	5.5	-40 to 125	Active
AD8601ARTZ-REEL7	Analog Devices Inc.	6	8.4	0.2	80	750	50	2.7	5.5	-40 to 125	Active
AD8601WARTZ-R7	Analog Devices Inc.	6	8.4	200	1300	750	50	2.7	5.5	-40 to 125	Active
AD8601WDRTZ-REEL7	Analog Devices Inc.	6	8.4	0.2	1300	750	50	2.7	5.5	-40 to 125	Active
MAX4321EUK+T	Analog Devices Inc./Maxim Integrated	2	5	50	1200	725	—	2.4	6.5	-40 to 85	Active
MAX4322EUK+T	Analog Devices Inc./Maxim Integrated	2	5	50	1200	725	—	2.4	6.5	-40 to 85	Active
MCP6281RT-E/OT	Microchip Technology	2.5	5	1	3000	450	25	2.2	6	-40 to 125	Active
MCP6281T-E/OT	Microchip Technology	2.5	5	1	3000	450	25	2.2	6	-40 to 125	Active

Engineering Selection Recommendations

Tier 1: Recommended Direct Replacement

TLV2771CDBVR is the primary recommended substitute. This part is manufactured by Texas Instruments and maintains identical electrical specifications to the TLV2771CDBVT across all key parameters: slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current capability. The TLV2771CDBVR is classified as Active product status with significantly higher inventory availability (6300 units in stock versus 1738 units for the original part). Both parts are ROHS3 compliant with MSL Level 1 rating. This substitution requires no circuit redesign or validation.

Tier 2: Cross-Manufacturer Substitutes with Enhanced Performance

AD8601ARTZ-REEL7 and AD8601ARTZ-REEL are Analog Devices alternatives offering improved performance characteristics. These parts provide higher gain bandwidth product (8.4 MHz versus 5.1 MHz), lower input bias current (0.2 pA versus 2 pA), and lower input offset voltage (80 µV versus 500 µV). Extended operating temperature range (-40°C to 125°C versus 0°C to 70°C) supports broader application environments. Supply current is reduced to 750 µA. Both parts maintain SOT-23-5 package compatibility, rail-to-rail output, and 50 mA output current capability. AD8601ARTZ-REEL7 has highest inventory availability (21300 units). These substitutes are suitable for applications where improved precision and extended temperature operation provide system benefits.

Tier 3: Alternative Substitutes with Trade-offs

MAX4321EUK+T and MAX4322EUK+T (Maxim Integrated) provide extended supply voltage range (2.4 V to 6.5 V) but feature reduced slew rate (2 V/µs) and lower gain bandwidth product (5 MHz). Output current specification is not provided for these parts. MCP6281T-E/OT and MCP6281RT-E/OT (Microchip Technology) offer extended temperature range (-40°C to 125°C) and lower supply current (450 µA) but provide reduced output current (25 mA versus 50 mA) and higher input offset voltage (3 mV versus 500 µV). These alternatives are applicable only when specific performance trade-offs align with system requirements.

Compliance and Certification

All recommended substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard manufacturing and storage protocols. REACH status is unaffected for all parts. ECCN classification remains EAR99 across all substitutes.

Frequently Asked Questions (FAQ)

Q1: Can TLV2771CDBVR be used as a direct drop-in replacement for TLV2771CDBVT?

Yes. TLV2771CDBVR is electrically and mechanically identical to TLV2771CDBVT. Both parts share the same base product number (TLV2771), identical electrical specifications, and SOT-23-5 package configuration. The only difference is product status (Active versus Last Time Buy) and packaging designation (Tape & Reel for both). No circuit modifications or re-validation are required.

Q2: What are the key differences between TLV2771CDBVT and AD8601ARTZ-REEL7?

Both parts are single-circuit, rail-to-rail general-purpose operational amplifiers in SOT-23-5 packages. AD8601ARTZ-REEL7 offers superior performance: higher gain bandwidth product (8.4 MHz versus 5.1 MHz), significantly lower input bias current (0.2 pA versus 2 pA), lower input offset voltage (80 µV versus 500 µV), and reduced supply current (750 µA versus 1 mA). AD8601ARTZ-REEL7 supports extended operating temperature range (-40°C to 125°C versus 0°C to 70°C). Both maintain 50 mA output current capability and compatible supply voltage ranges (2.7 V to 5.5 V for AD8601 versus 2.5 V to 5.5 V for TLV2771). Substitution is suitable for applications requiring improved precision and wider temperature operation.

Q3: Why do MCP6281T-E/OT and MCP6281RT-E/OT show reduced output current (25 mA versus 50 mA)?

MCP6281 series parts are designed for lower output current applications. While these parts maintain SOT-23-5 package compatibility and rail-to-rail output configuration, the 25 mA output current limit restricts their use to applications requiring lower drive capability. Substitution is valid only when circuit design accommodates this reduced output current specification.

Q4: Are MAX4321EUK+T and MAX4322EUK+T suitable substitutes?

MAX4321EUK+T and MAX4322EUK+T provide extended supply voltage range (2.4 V to 6.5 V) compared to TLV2771CDBVT (2.5 V to 5.5 V). However, these parts feature significantly reduced slew rate (2 V/µs versus 10.5 V/µs) and lower gain bandwidth product (5 MHz versus 5.1 MHz). Output current specification is not provided. These parts are suitable only for applications where reduced slew rate and extended supply voltage range provide system advantages.

Q5: What packaging options are available for substitute parts?

All substitute parts are available in SOT-23-5 package (SC-74A, SOT-753) with surface mount technology. Packaging designations vary: TLV2771CDBVR is supplied in Tape & Reel (TR); AD8601 variants are supplied in Cut Tape (CT) & Digi-Reel®; MAX4321/MAX4322 are supplied in Tape & Reel (TR); MCP6281 variants are supplied in Cut Tape (CT) & Digi-Reel® or Tape & Reel (TR). All parts maintain MSL Level 1 (Unlimited) moisture sensitivity rating.

Q6: Which substitute part offers the best inventory availability?

AD8601WARTZ-R7 has the highest inventory availability at 33760 units in stock. AD8601ARTZ-REEL7 provides 21300 units. TLV2771CDBVR offers 6300 units. For immediate procurement needs, AD8601 variants provide superior supply chain security.

Q7: Do substitute parts require circuit re-validation?

TLV2771CDBVR requires no re-validation due to identical specifications. AD8601 variants offer improved performance and may require application-specific evaluation to confirm compatibility with existing circuit design, particularly regarding input offset voltage and bias current specifications. MAX4321/MAX4322 and MCP6281 variants require circuit analysis due to significant performance differences in slew rate, gain bandwidth product, and output current capability.

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