TLV2782ID Equivalent & Substitute Parts

Part Overview

The TLV2782ID is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-SOIC surface-mount package. This device delivers rail-to-rail output capability with low power consumption, making it suitable for battery-powered and portable applications. The TLV2782ID is classified as Last Time Buy, indicating end-of-life status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications currently utilizing this component.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	5	V/µs
Gain Bandwidth Product	8	MHz
Current - Input Bias	2.5	pA
Voltage - Input Offset	250	µV
Current - Supply (x2 Channels)	650	µA
Current - Output / Channel	23	mA
Voltage - Supply Span (Min)	1.8	V
Voltage - Supply Span (Max)	3.6	V
Operating Temperature	-40 to 125	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TLV2782ID is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

Dual-circuit configuration (2 circuits per package)
Rail-to-rail output capability
8-SOIC surface-mount package with 0.154" (3.90mm) width
Operating temperature range of -40°C to 125°C
Supply voltage span compatibility (minimum 1.8V to 3.6V overlap required)
RoHS3 compliance and MSL Level 1

Secondary Compatibility Parameters:

Slew rate ≥ 5V/µs
Gain bandwidth product ≥ 8 MHz
Input bias current ≤ 2.5 pA
Input offset voltage ≤ 250 µV
Output current per channel ≥ 23 mA

Substitute parts are grouped into two categories based on electrical performance alignment:

Category A: Direct Electrical Equivalents (Texas Instruments TLV2782 Series)

TLV2782IDR: Identical electrical specifications, tape & reel packaging variant

Category B: Functional Equivalents with Enhanced Performance (Analog Devices AD8602 Series)

AD8602ARZ, AD8602ARZ-REEL, AD8602ARZ-REEL7, AD8602WARZ-R7: CMOS technology with superior input bias current (0.2 pA), higher slew rate (6V/µs), and extended supply voltage range (2.7V to 5.5V)

Category C: General-Purpose Alternatives with Trade-offs (STMicroelectronics LMV822 Series)

LMV822IDT, LMV822IYDT: Lower slew rate (1.9V/µs) and gain bandwidth product (5.5 MHz), but automotive-grade qualification (AEC-Q100)

Category D: General-Purpose Alternatives with Extended Supply Range (Analog Devices/Maxim MAX4326 Series)

MAX4326ESA+, MAX4326ESA+T: Lower slew rate (2V/µs) and gain bandwidth product (5 MHz), extended supply voltage range (2.4V to 6.5V), limited temperature range (-40°C to 85°C)

Category E: Microchip General-Purpose Alternative (MCP6282 Series)

MCP6282-E/SN: Lower slew rate (2.5V/µs) and gain bandwidth product (5 MHz), superior input bias current (1 pA)

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Min (V)	Supply Max (V)	Output Current (mA)	Temp Range (°C)	Packaging	Product Status
TLV2782ID	Texas Instruments	General Purpose	5	8	2.5	250	1.8	3.6	23	-40 to 125	Tube	Last Time Buy
TLV2782IDR	Texas Instruments	General Purpose	5	8	2.5	250	1.8	3.6	23	-40 to 125	Tape & Reel	Active
AD8602ARZ	Analog Devices	CMOS	6	8.4	0.2	80	2.7	5.5	50	-40 to 125	Tube	Active
AD8602ARZ-REEL	Analog Devices	CMOS	6	8.4	0.2	80	2.7	5.5	50	-40 to 125	Tape & Reel	Active
AD8602ARZ-REEL7	Analog Devices	CMOS	6	8.4	0.2	80	2.7	5.5	50	-40 to 125	Cut Tape & Digi-Reel	Active
AD8602WARZ-R7	Analog Devices	CMOS	6	8.4	0.2	80	2.7	5.5	50	-40 to 125	Cut Tape & Digi-Reel	Active
LMV822IDT	STMicroelectronics	General Purpose	1.9	5.5	60	3500	2.5	5.5	70	-40 to 125	Cut Tape & Digi-Reel	Active
LMV822IYDT	STMicroelectronics	General Purpose	1.9	5.5	60	3500	2.5	5.5	70	-40 to 125	Tape & Reel	Active
MAX4326ESA+	Analog Devices/Maxim	General Purpose	2	5	50	700	2.4	6.5	50	-40 to 85	Tube	Active
MAX4326ESA+T	Analog Devices/Maxim	General Purpose	2	5	50	700	2.4	6.5	50	-40 to 85	Tape & Reel	Active
MCP6282-E/SN	Microchip Technology	General Purpose	2.5	5	1	3000	2.2	5.5	25	-40 to 125	Tube	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

TLV2782IDR is the primary recommended substitute. This part maintains identical electrical specifications to the TLV2782ID while offering Active product status and higher inventory availability (12,800 units). The only difference is packaging format (Tape & Reel versus Tube), which does not affect electrical performance. Both parts are ROHS3 compliant, MSL Level 1, and support the full -40°C to 125°C operating temperature range.

For Enhanced Performance Applications:

The AD8602 series (AD8602ARZ, AD8602ARZ-REEL, AD8602ARZ-REEL7, AD8602WARZ-R7) provides superior electrical characteristics including lower input bias current (0.2 pA versus 2.5 pA), higher slew rate (6V/µs versus 5V/µs), and extended supply voltage range (2.7V to 5.5V). These parts are suitable for applications requiring lower noise, faster transient response, or operation at higher supply voltages. All AD8602 variants maintain -40°C to 125°C temperature range and ROHS3 compliance.

For Automotive-Grade Applications:

LMV822IDT and LMV822IYDT offer AEC-Q100 automotive qualification, making them suitable for automotive and industrial environments. These parts feature lower slew rate (1.9V/µs) and gain bandwidth product (5.5 MHz), but provide higher output current capability (70 mA) and extended supply voltage range (2.5V to 5.5V). Selection of these parts requires confirmation that reduced slew rate and bandwidth do not impact circuit performance.

For Extended Supply Voltage Range:

MAX4326ESA+ and MAX4326ESA+T support supply voltages from 2.4V to 6.5V, accommodating applications requiring operation across wider voltage ranges. However, these parts have reduced operating temperature range (-40°C to 85°C) and lower slew rate (2V/µs), requiring verification of compatibility with target application requirements.

For Low Input Bias Current:

MCP6282-E/SN provides exceptionally low input bias current (1 pA) suitable for high-impedance signal conditioning applications. This part operates across -40°C to 125°C and supports supply voltages from 2.2V to 5.5V. The reduced slew rate (2.5V/µs) and gain bandwidth product (5 MHz) require confirmation of suitability for the intended application.

Frequently Asked Questions (FAQ)

Q1: Can TLV2782IDR be used as a direct replacement for TLV2782ID?

Yes. TLV2782IDR is electrically identical to TLV2782ID. The only difference is packaging format: TLV2782IDR is supplied in Tape & Reel format while TLV2782ID is supplied in Tube format. Both parts have identical electrical specifications, operating temperature range (-40°C to 125°C), and compliance certifications (ROHS3, MSL Level 1). TLV2782IDR is recommended as the primary substitute due to Active product status and higher inventory availability.

Q2: What are the key differences between TLV2782ID and AD8602ARZ?

Both parts are dual-circuit, rail-to-rail operational amplifiers in 8-SOIC packages with -40°C to 125°C operating temperature range. Key differences are: (1) AD8602ARZ uses CMOS technology versus TLV2782ID's bipolar technology, resulting in lower input bias current (0.2 pA versus 2.5 pA); (2) AD8602ARZ has higher slew rate (6V/µs versus 5V/µs) and gain bandwidth product (8.4 MHz versus 8 MHz); (3) AD8602ARZ supports extended supply voltage range (2.7V to 5.5V versus 1.8V to 3.6V); (4) AD8602ARZ provides higher output current per channel (50 mA versus 23 mA). These enhancements make AD8602ARZ suitable for applications requiring lower noise and faster response, provided the extended supply voltage range is compatible with the circuit design.

Q3: Why do LMV822IDT and LMV822IYDT have lower slew rate and bandwidth than TLV2782ID?

LMV822 parts are optimized for automotive-grade applications with AEC-Q100 qualification. The lower slew rate (1.9V/µs versus 5V/µs) and gain bandwidth product (5.5 MHz versus 8 MHz) reflect design trade-offs prioritizing stability, noise performance, and reliability in automotive environments. These parts are suitable for applications where automotive qualification is required and circuit bandwidth requirements do not exceed 5.5 MHz.

Q4: Can MAX4326ESA+ be used in applications requiring operation above 85°C?

No. MAX4326ESA+ and MAX4326ESA+T have maximum operating temperature of 85°C, which is lower than TLV2782ID's 125°C maximum. These parts are not suitable for applications requiring operation above 85°C. If extended temperature operation is required, use TLV2782IDR, AD8602 series, LMV822 series, or MCP6282-E/SN, all of which support -40°C to 125°C operation.

Q5: What is the significance of the 8-SOIC package specification?

The 8-SOIC (Small Outline Integrated Circuit) package with 0.154" (3.90mm) width is a standard surface-mount package for dual operational amplifiers. All substitute parts listed maintain this identical package specification, ensuring mechanical and electrical compatibility with existing PCB layouts and solder reflow processes. No PCB redesign is required when substituting between parts with identical 8-SOIC packaging.

Q6: Are all substitute parts RoHS3 compliant?

Yes. All substitute parts listed (TLV2782IDR, AD8602 series, LMV822 series, MAX4326 series, and MCP6282-E/SN) are ROHS3 compliant and have MSL Level 1 (Unlimited moisture sensitivity level). These certifications ensure compatibility with modern manufacturing processes and environmental regulations.

Q7: Which substitute part offers the best performance for high-speed signal conditioning?

AD8602ARZ and its variants (AD8602ARZ-REEL, AD8602ARZ-REEL7, AD8602WARZ-R7) offer the highest slew rate (6V/µs) and gain bandwidth product (8.4 MHz) among all substitute options. These parts are recommended for applications requiring fast transient response and high-frequency signal processing. The CMOS technology also provides exceptionally low input bias current (0.2 pA), making these parts suitable for high-impedance input circuits.

Q8: What is the difference between Tube, Tape & Reel, and Cut Tape & Digi-Reel packaging?

Tube packaging supplies components in plastic tubes, typically used for manual assembly or small-volume production. Tape & Reel packaging supplies components on continuous tape wound on reels, suitable for automated pick-and-place assembly. Cut Tape & Digi-Reel packaging supplies components on cut tape segments, offering flexibility between manual and automated assembly. All three packaging formats contain electrically identical components; packaging selection depends on assembly process requirements and volume.

Q9: Can MCP6282-E/SN be used in place of TLV2782ID for all applications?

MCP6282-E/SN is functionally compatible but has reduced slew rate (2.5V/µs versus 5V/µs) and gain bandwidth product (5 MHz versus 8 MHz). This part is suitable for applications where bandwidth requirements do not exceed 5 MHz and slew rate does not exceed 2.5V/µs. The advantage is exceptionally low input bias current (1 pA), making it ideal for high-impedance signal conditioning. Verification of bandwidth and slew rate compatibility is required before substitution.

Q10: Which substitute part is recommended for new designs?

For new designs, TLV2782IDR is recommended as the primary choice due to identical electrical specifications to TLV2782ID, Active product status, and high inventory availability. For applications requiring enhanced performance, AD8602ARZ series offers superior electrical characteristics with Active status and extensive availability. For automotive applications, LMV822 series provides AEC-Q100 qualification. Selection should be based on specific application requirements for supply voltage range, bandwidth, slew rate, and environmental qualifications.

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