TLV2782AID Equivalent & Substitute Parts

Part Overview

The TLV2782AID is a general-purpose operational amplifier manufactured by Texas Instruments, configured as a dual-channel (2 circuit) rail-to-rail output device in an 8-SOIC surface-mount package. This part is classified as obsolete, with 654 units currently in stock. The TLV2782AID operates across a supply voltage range of 1.8 V to 3.6 V and is designed for low-power applications requiring compact form factors.

Due to its obsolete product status, identifying equivalent and substitute parts is necessary for design continuity, long-term availability assurance, and production planning. Active alternatives with comparable electrical and mechanical specifications are available from multiple manufacturers.

Key Parameters

Parameter	Value
Manufacturer Part Number	TLV2782AID
Manufacturer	Texas Instruments
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	2
Output Type	Rail-to-Rail
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Slew Rate	5 V/µs
Gain Bandwidth Product	8 MHz
Current - Input Bias	2.5 pA
Voltage - Input Offset	250 µV
Current - Supply	650 µA (x2 Channels)
Current - Output / Channel	23 mA
Voltage - Supply Span (Min)	1.8 V
Voltage - Supply Span (Max)	3.6 V
Operating Temperature	-40°C ~ 125°C
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TLV2782AID is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

Package / Case: 8-SOIC form factor (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Number of Circuits: 2 (dual-channel configuration)
Output Type: Rail-to-Rail
Operating Temperature Range: -40°C ~ 125°C minimum
Voltage Supply Span: Compatibility with 1.8 V to 3.6 V range

Secondary Compatibility Parameters:

Slew Rate: 5 V/µs or greater
Gain Bandwidth Product: 8 MHz or greater
Current - Input Bias: 2.5 pA or lower (lower is acceptable)
Voltage - Input Offset: 250 µV or lower (lower is acceptable)
Current - Supply: 650 µA per channel or lower (lower is acceptable)
Current - Output / Channel: 23 mA or greater

Substitute parts are grouped into two categories based on electrical performance and manufacturer technology:

Category 1: Texas Instruments Direct Successors

TLV2782IDR: Active product status, identical electrical specifications, Tape & Reel packaging

Category 2: Analog Devices CMOS Alternatives (AD8602 Series)

AD8602ARZ, AD8602ARZ-REEL, AD8602ARZ-REEL7, AD8602WARZ-R7: CMOS technology with enhanced performance characteristics, active product status, extended supply voltage range (2.7 V to 5.5 V)

Category 3: STMicroelectronics General Purpose Alternatives (LMV822 Series)

LMV822IDT, LMV822IYDT: General-purpose amplifiers with automotive qualification (AEC-Q100), active product status, extended supply voltage range (2.5 V to 5.5 V)

Category 4: Analog Devices / Maxim Integrated Alternatives (MAX4326 Series)

MAX4326ESA+, MAX4326ESA+T: General-purpose amplifiers, active product status, extended supply voltage range (2.4 V to 6.5 V)

Category 5: Microchip Technology Alternatives (MCP6282 Series)

MCP6282-E/SN: General-purpose amplifier, active product status, extended supply voltage range (2.2 V to 5.5 V)

Parameter Comparison

Part Number	Manufacturer	Product Status	Amplifier Type	Number of Circuits	Output Type	Package / Case	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (µA x2)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)
TLV2782AID	Texas Instruments	Obsolete	General Purpose	2	Rail-to-Rail	8-SOIC	5	8	2.5	250	650	23	1.8	3.6	-40 ~ 125
TLV2782IDR	Texas Instruments	Active	General Purpose	2	Rail-to-Rail	8-SOIC	5	8	2.5	250	650	23	1.8	3.6	-40 ~ 125
AD8602ARZ	Analog Devices Inc.	Active	CMOS	2	Rail-to-Rail	8-SOIC	6	8.4	0.2	80	750	50	2.7	5.5	-40 ~ 125
AD8602ARZ-REEL	Analog Devices Inc.	Active	CMOS	2	Rail-to-Rail	8-SOIC	6	8.4	0.2	80	750	50	2.7	5.5	-40 ~ 125
AD8602ARZ-REEL7	Analog Devices Inc.	Active	CMOS	2	Rail-to-Rail	8-SOIC	6	8.4	0.2	80	750	50	2.7	5.5	-40 ~ 125
AD8602WARZ-R7	Analog Devices Inc.	Active	CMOS	2	Rail-to-Rail	8-SOIC	6	8.4	0.2	80	750	50	2.7	5.5	-40 ~ 125
LMV822IDT	STMicroelectronics	Active	General Purpose	2	Rail-to-Rail	8-SOIC	1.9	5.5	60	3500	300	70	2.5	5.5	-40 ~ 125
LMV822IYDT	STMicroelectronics	Active	General Purpose	2	Rail-to-Rail	8-SOIC	1.9	5.5	60	3500	300	70	2.5	5.5	-40 ~ 125
MAX4326ESA+	Analog Devices Inc./Maxim Integrated	Active	General Purpose	2	Rail-to-Rail	8-SOIC	2	5	50	700	725	50	2.4	6.5	-40 ~ 85
MAX4326ESA+T	Analog Devices Inc./Maxim Integrated	Active	General Purpose	2	Rail-to-Rail	8-SOIC	2	5	50	700	725	50	2.4	6.5	-40 ~ 85
MCP6282-E/SN	Microchip Technology	Active	General Purpose	2	Rail-to-Rail	8-SOIC	2.5	5	1	3000	450	25	2.2	5.5	-40 ~ 125

Engineering Selection Recommendations

Tier 1: Direct Replacement (Recommended for Immediate Substitution)

TLV2782IDR is the primary recommended substitute. This part is manufactured by Texas Instruments and maintains identical electrical specifications to the TLV2782AID across all critical parameters: slew rate (5 V/µs), gain bandwidth product (8 MHz), input bias current (2.5 pA), input offset voltage (250 µV), supply current (650 µA per channel), and output current (23 mA). The supply voltage range (1.8 V to 3.6 V) and operating temperature range (-40°C to 125°C) are identical. TLV2782IDR holds active product status with 12,800 units in stock, ensuring long-term availability. Both parts are ROHS3 compliant and carry MSL 1 rating. The only difference is packaging format: TLV2782IDR is supplied in Tape & Reel (TR) configuration, whereas TLV2782AID was supplied in standard packaging.

Tier 2: Enhanced Performance Alternatives (For Applications Tolerating Extended Supply Range)

AD8602ARZ, AD8602ARZ-REEL, AD8602ARZ-REEL7, and AD8602WARZ-R7 are CMOS-based alternatives from Analog Devices Inc. These parts exceed the TLV2782AID specifications in slew rate (6 V/µs vs. 5 V/µs), gain bandwidth product (8.4 MHz vs. 8 MHz), input bias current (0.2 pA vs. 2.5 pA), and input offset voltage (80 µV vs. 250 µV). Output current capability is significantly higher (50 mA vs. 23 mA). The extended supply voltage range (2.7 V to 5.5 V) accommodates the TLV2782AID's 1.8 V to 3.6 V range. All variants maintain the 8-SOIC package and -40°C to 125°C operating temperature. Product status is active with inventory ranging from 2,151 to 20,100 units. These parts are suitable for designs where the extended supply range and enhanced performance characteristics provide system-level benefits.

Tier 3: Alternative General-Purpose Solutions (For Applications with Relaxed Performance Requirements)

LMV822IDT and LMV822IYDT (STMicroelectronics) are automotive-qualified alternatives carrying AEC-Q100 certification. These parts feature lower slew rate (1.9 V/µs) and gain bandwidth product (5.5 MHz) compared to the TLV2782AID, but offer significantly lower supply current (300 µA per channel vs. 650 µA). The extended supply voltage range (2.5 V to 5.5 V) and higher output current (70 mA) provide design flexibility. Product status is active with 10,200 to 17,900 units in stock. These parts are appropriate for cost-sensitive or automotive applications where the performance trade-offs are acceptable.

MAX4326ESA+ and MAX4326ESA+T (Analog Devices Inc./Maxim Integrated) offer general-purpose amplification with extended supply voltage range (2.4 V to 6.5 V) and higher output current (50 mA). However, the operating temperature range is limited to -40°C to 85°C, which does not meet the full -40°C to 125°C requirement of the TLV2782AID. These parts are suitable only for applications operating within the -40°C to 85°C window. Product status is active with 12,700 to 15,400 units in stock.

MCP6282-E/SN (Microchip Technology) is a general-purpose alternative with extended supply voltage range (2.2 V to 5.5 V) and lower supply current (450 µA per channel). The slew rate (2.5 V/µs) and gain bandwidth product (5 MHz) are lower than the TLV2782AID. Product status is active with 1,430 units in stock. This part is suitable for applications where lower power consumption is prioritized over performance.

Compliance and Certification:

All substitute parts listed maintain ROHS3 compliance and MSL 1 rating, consistent with the TLV2782AID. All parts are classified as REACH Unaffected and carry ECCN EAR99 designation. Automotive applications requiring AEC-Q100 qualification should select LMV822IDT or LMV822IYDT exclusively.

Frequently Asked Questions (FAQ)

Q1: Can TLV2782IDR be used as a direct drop-in replacement for TLV2782AID?

A: Yes. TLV2782IDR is electrically and mechanically identical to TLV2782AID. Both parts feature the same 8-SOIC package, identical electrical specifications (slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current), and identical operating temperature range (-40°C to 125°C). The only difference is packaging format: TLV2782IDR is supplied in Tape & Reel configuration. Pin-for-pin compatibility is complete, and no circuit modifications are required.

Q2: What are the key differences between the TLV2782AID and AD8602 series alternatives?

A: The primary differences are technology platform and supply voltage range. TLV2782AID uses general-purpose bipolar technology with a 1.8 V to 3.6 V supply range, while AD8602 series uses CMOS technology with a 2.7 V to 5.5 V supply range. AD8602 variants offer superior input bias current (0.2 pA vs. 2.5 pA), lower input offset voltage (80 µV vs. 250 µV), higher slew rate (6 V/µs vs. 5 V/µs), and higher output current (50 mA vs. 23 mA). The extended supply range of AD8602 allows operation at voltages above 3.6 V, which the TLV2782AID cannot support. Both maintain the 8-SOIC package and -40°C to 125°C operating temperature.

Q3: Are there packaging format options available for TLV2782 equivalents?

A: Yes. TLV2782IDR is supplied in Tape & Reel (TR) format. AD8602 series offers multiple packaging options: AD8602ARZ (Tube), AD8602ARZ-REEL (Tape & Reel), AD8602ARZ-REEL7 (Cut Tape & Digi-Reel®), and AD8602WARZ-R7 (Cut Tape & Digi-Reel®). LMV822IDT is supplied in Cut Tape & Digi-Reel® format, while LMV822IYDT is supplied in Tape & Reel format. MAX4326ESA+ is supplied in Tube format, and MAX4326ESA+T is supplied in Tape & Reel format. MCP6282-E/SN is supplied in Tube format. Selection of packaging format depends on production volume and assembly equipment compatibility.

Q4: Which substitute part is recommended for automotive applications?

A: LMV822IDT and LMV822IYDT are the only alternatives carrying automotive qualification (AEC-Q100 certification). These parts are specifically designed and tested for automotive environments. If automotive qualification is not required, other alternatives may be selected based on performance and supply voltage requirements.

Q5: What is the impact of supply voltage range differences on substitution?

A: The TLV2782AID operates within 1.8 V to 3.6 V. Most substitute parts support this range and extend it further. TLV2782IDR maintains the identical 1.8 V to 3.6 V range. AD8602 series, LMV822 series, MAX4326 series, and MCP6282 all support the 1.8 V to 3.6 V range of the original part. However, if your circuit design relies on operation above 3.6 V, only the extended-range alternatives (AD8602, LMV822, MAX4326, MCP6282) are suitable. Conversely, if your design operates below 2.2 V, only TLV2782IDR and AD8602 series guarantee operation at 1.8 V.

Q6: How do input offset voltage differences affect circuit performance?

A: Input offset voltage determines DC accuracy in precision applications. TLV2782AID specifies 250 µV maximum offset. AD8602 series offers superior performance at 80 µV, while LMV822 series specifies 3.5 mV (significantly higher). MAX4326 specifies 700 µV, and MCP6282 specifies 3 mV. For applications requiring high DC accuracy (instrumentation, sensor signal conditioning), AD8602 series is preferred. For general-purpose applications with AC coupling or where DC offset is not critical, other alternatives are acceptable.

Q7: What is the significance of slew rate differences?

A: Slew rate determines the maximum rate of voltage change the amplifier can produce. TLV2782AID specifies 5 V/µs. AD8602 series offers 6 V/µs (faster), while LMV822, MAX4326, and MCP6282 offer lower slew rates (1.9 V/µs to 2.5 V/µs). For high-frequency signal processing or fast transient applications, higher slew rate is beneficial. For low-frequency or DC applications, slew rate is not a limiting factor. Verify that the selected substitute's slew rate meets your application's bandwidth requirements.

Q8: Can MAX4326 series be used in applications requiring full -40°C to 125°C operation?

A: No. MAX4326ESA+ and MAX4326ESA+T are rated only to 85°C maximum operating temperature, not 125°C. These parts are unsuitable for applications requiring the full -40°C to 125°C temperature range of the TLV2782AID. Select TLV2782IDR, AD8602 series, LMV822 series, or MCP6282 for full temperature range support.

Q9: What inventory considerations should guide substitute selection?

A: TLV2782IDR offers the highest inventory (12,800 units), ensuring immediate availability and long-term supply security. AD8602ARZ-REEL7 offers the largest inventory among AD8602 variants (20,100 units). LMV822IDT offers 17,900 units. For critical applications requiring guaranteed long-term supply, TLV2782IDR is the optimal choice. For applications where extended supply voltage range is beneficial, AD8602ARZ-REEL7 provides both performance advantages and high inventory.

Q10: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (TLV2782IDR, AD8602 series, LMV822 series, MAX4326 series, MCP6282) are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating. All are REACH Unaffected and carry ECCN EAR99 designation, matching the compliance profile of the TLV2782AID.

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