TLV2782IDGK Equivalent & Substitute Parts

Part Overview

The TLV2782IDGK is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-VSSOP surface-mount package. This device is classified as Active product status and is designed for rail-to-rail output applications with low-power operation across a 1.8 V to 3.6 V supply range. The TLV2782IDGK is suitable for battery-powered and portable applications requiring compact form factors and minimal power consumption.

Substitute parts are identified based on matching functional categories (dual-channel general-purpose amplifiers), compatible package geometries (8-pin surface-mount variants), and overlapping electrical operating ranges. Substitution becomes necessary when the primary part is unavailable, when alternative packaging formats are required for manufacturing processes, or when design requirements demand enhanced performance characteristics within the same functional class.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	TLV2782IDGK	—
Manufacturer	Texas Instruments	—
Category	Linear, Amplifiers	—
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	—
Supplier Device Package	8-VSSOP	—
Voltage - Supply Span (Min)	1.8	V
Voltage - Supply Span (Max)	3.6	V
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
Operating Temperature	-40 to 125	°C
Mounting Type	Surface Mount	—
Product Status	Active	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the TLV2782IDGK are grouped based on the following substitution criteria:

Primary Matching Criteria:

Dual-channel amplifier configuration (Number of Circuits = 2)
Rail-to-rail output capability
8-pin surface-mount package geometry (8-TSSOP, 8-MSOP, 8-MiniSO, or 8-uMAX variants)
Operating temperature range of -40°C to 125°C (or subset thereof)
Supply voltage compatibility within or overlapping the 1.8 V to 3.6 V range

Secondary Compatibility Factors:

General-purpose amplifier classification
ROHS3 compliance and MSL Level 1 rating
Active or equivalent product status
Surface-mount manufacturing compatibility

Substitutes are organized into two functional groups:

Group 1: Direct Electrical Compatibility (Minimal Design Changes) Parts with supply voltage ranges that fully encompass or substantially overlap the TLV2782IDGK operating window (1.8 V to 3.6 V), similar slew rates (4 V/µs to 6.1 V/µs), and comparable gain-bandwidth products (4 MHz to 9 MHz). These include AD8602ARMZ, AD8602ARMZ-REEL, MCP6282-E/MS, and MCP6282T-E/MS.

Group 2: Extended Operating Range (Design Verification Required) Parts with supply voltage ranges that exceed the TLV2782IDGK minimum (below 1.8 V) or maximum (above 3.6 V), or with different performance characteristics. These include LMV822IST, LMV822IYST, MAX4326EUA+, MCP6482-E/MS, MCP6482T-E/MS, and FAN4852IMU8X.

Parameter Comparison

Parameter	TLV2782IDGK	AD8602ARMZ	AD8602ARMZ-REEL	LMV822IST	LMV822IYST	MAX4326EUA+	MCP6282-E/MS	MCP6282T-E/MS	MCP6482-E/MS	MCP6482T-E/MS	FAN4852IMU8X
Manufacturer	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	STMicroelectronics	STMicroelectronics	Analog Devices Inc./Maxim	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	onsemi
Amplifier Type	General Purpose	CMOS	CMOS	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	CMOS
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Voltage - Supply Span (Min)	1.8 V	2.7 V	2.7 V	2.5 V	2.5 V	2.4 V	2.2 V	2.2 V	2.2 V	2.2 V	2.5 V
Voltage - Supply Span (Max)	3.6 V	5.5 V	5.5 V	5.5 V	5.5 V	6.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5 V
Slew Rate	5 V/µs	6 V/µs	6 V/µs	1.9 V/µs	1.9 V/µs	2 V/µs	2.5 V/µs	2.5 V/µs	2.7 V/µs	2.7 V/µs	6.1 V/µs
Gain Bandwidth Product	8 MHz	8.4 MHz	8.4 MHz	5.5 MHz	5.5 MHz	5 MHz	5 MHz	5 MHz	4 MHz	4 MHz	9 MHz
Current - Input Bias	2.5 pA	0.2 pA	0.2 pA	60 nA	60 nA	50 nA	1 pA	1 pA	1 pA	1 pA	0.1 pA
Voltage - Input Offset	250 µV	80 µV	80 µV	3.5 mV	3.5 mV	1.2 mV	3 mV	3 mV	1.5 mV	1.5 mV	300 µV
Current - Supply	650 µA (x2)	750 µA (x2)	750 µA (x2)	300 µA (x2)	300 µA (x2)	725 µA (x2)	450 µA (x2)	450 µA (x2)	240 µA (x2)	240 µA (x2)	900 µA
Current - Output / Channel	23 mA	50 mA	50 mA	70 mA	70 mA	50 mA	25 mA	25 mA	12 mA	12 mA	90 mA
Operating Temperature	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 85°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 85°C
Package / Case	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP
Supplier Device Package	8-VSSOP	8-MSOP	8-MSOP	8-MiniSO	8-MiniSO	8-uMAX/uSOP	8-MSOP	8-MSOP	8-MSOP	8-MSOP	8-MSOP
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Group 1: Direct Substitutes (Minimal Design Verification)

AD8602ARMZ and AD8602ARMZ-REEL (Analog Devices Inc.) These CMOS dual-channel amplifiers are the primary recommended substitutes. Both parts maintain Active product status and ROHS3 compliance. The AD8602 series offers superior input bias current (0.2 pA versus 2.5 pA) and lower input offset voltage (80 µV versus 250 µV). Supply voltage range extends from 2.7 V to 5.5 V, which encompasses the TLV2782IDGK operating window. Slew rate (6 V/µs) and gain-bandwidth product (8.4 MHz) exceed the original part specifications. The primary difference is packaging format: AD8602ARMZ uses Tube packaging, while AD8602ARMZ-REEL uses Cut Tape & Digi-Reel format. Both are electrically identical and suitable for direct substitution in applications operating within the 2.7 V to 3.6 V range.

MCP6282-E/MS and MCP6282T-E/MS (Microchip Technology) These general-purpose dual amplifiers maintain Active status and full ROHS3 compliance. Supply voltage range (2.2 V to 5.5 V) fully encompasses the TLV2782IDGK operating window. Input bias current (1 pA) and input offset voltage (3 mV) are acceptable for general-purpose applications. Slew rate (2.5 V/µs) and gain-bandwidth product (5 MHz) are lower than the original part. MCP6282-E/MS is supplied in Tube packaging, while MCP6282T-E/MS uses Tape & Reel format. These parts are suitable for applications where lower slew rate and bandwidth are acceptable.

Group 2: Extended-Range Substitutes (Design Verification Recommended)

LMV822IST and LMV822IYST (STMicroelectronics) These general-purpose dual amplifiers are qualified to AEC-Q100 automotive standards and maintain Active status with ROHS3 compliance. Supply voltage range (2.5 V to 5.5 V) does not reach the TLV2782IDGK minimum of 1.8 V. Input bias current (60 nA) and input offset voltage (3.5 mV) are higher than the original part. Slew rate (1.9 V/µs) and gain-bandwidth product (5.5 MHz) are lower. LMV822IST uses Tape & Reel packaging, while LMV822IYST uses Cut Tape & Digi-Reel format. These parts are suitable for automotive-grade applications operating above 2.5 V.

MAX4326EUA+ (Analog Devices Inc./Maxim Integrated) This general-purpose dual amplifier maintains Active status and ROHS3 compliance. Supply voltage range (2.4 V to 6.5 V) does not reach the TLV2782IDGK minimum of 1.8 V. Operating temperature range (-40°C to 85°C) is narrower than the original part. Input bias current (50 nA) and input offset voltage (1.2 mV) are favorable. Slew rate (2 V/µs) and gain-bandwidth product (5 MHz) are lower. This part is suitable for applications operating above 2.4 V with temperature requirements not exceeding 85°C.

MCP6482-E/MS and MCP6482T-E/MS (Microchip Technology) These general-purpose dual amplifiers maintain Active status and ROHS3 compliance. Supply voltage range (2.2 V to 5.5 V) fully encompasses the TLV2782IDGK operating window. Input bias current (1 pA) and input offset voltage (1.5 mV) are favorable. Current supply (240 µA per channel) is significantly lower than the original part, making these suitable for ultra-low-power applications. Slew rate (2.7 V/µs) and gain-bandwidth product (4 MHz) are lower. MCP6482-E/MS uses Tube packaging, while MCP6482T-E/MS uses Tape & Reel format. These parts are suitable for power-constrained applications where reduced output current (12 mA per channel) is acceptable.

FAN4852IMU8X (onsemi) This CMOS dual amplifier is classified as Obsolete product status. Supply voltage range (2.5 V to 5 V) does not reach the TLV2782IDGK minimum of 1.8 V. Operating temperature range (-40°C to 85°C) is narrower than the original part. Input bias current (0.1 pA) is superior. Slew rate (6.1 V/µs) and gain-bandwidth product (9 MHz) exceed original specifications. Output current per channel (90 mA) is significantly higher. Obsolete status indicates limited future availability. This part is not recommended for new designs.

Frequently Asked Questions (FAQ)

Q1: Can I directly replace TLV2782IDGK with AD8602ARMZ without circuit modifications?

A: AD8602ARMZ is electrically compatible for applications operating within the overlapping supply voltage range of 2.7 V to 3.6 V. Both parts feature dual rail-to-rail amplifiers in 8-pin surface-mount packages with comparable performance characteristics. However, verify that your circuit does not require operation below 2.7 V, as the AD8602 minimum supply voltage is 2.7 V versus 1.8 V for the TLV2782IDGK. No PCB layout changes are required due to identical pin configurations and package geometry.

Q2: What is the key difference between MCP6282 and MCP6482 series?

A: Both MCP6282 and MCP6482 are general-purpose dual amplifiers from Microchip Technology with identical supply voltage ranges (2.2 V to 5.5 V) and operating temperatures (-40°C to 125°C). The primary differences are: MCP6282 offers higher slew rate (2.5 V/µs versus 2.7 V/µs), higher gain-bandwidth product (5 MHz versus 4 MHz), higher output current per channel (25 mA versus 12 mA), and higher supply current (450 µA versus 240 µA per channel pair). MCP6482 is optimized for ultra-low-power applications where reduced current consumption is prioritized over performance. Select MCP6282 for general-purpose applications and MCP6482 for battery-powered or power-constrained designs.

Q3: Why does the TLV2782IDGK have a lower minimum supply voltage (1.8 V) compared to most substitutes?

A: The TLV2782IDGK is specifically designed for ultra-low-voltage applications, particularly battery-powered portable devices operating on single-cell lithium or alkaline batteries. This 1.8 V minimum specification is a key design feature. Most substitute parts (AD8602, MCP6282, MCP6482, LMV822, MAX4326) have higher minimum supply voltages (2.2 V to 2.7 V), reflecting different design priorities. If your application requires operation below 2.2 V, the TLV2782IDGK is the only suitable choice among these alternatives.

Q4: Are there packaging format differences between substitute parts, and do they affect PCB design?

A: Yes, substitute parts are available in different packaging formats: Tube, Cut Tape & Digi-Reel (CT), and Tape & Reel (TR). These formats refer to manufacturing and shipping methods, not the actual component package. All listed substitutes use 8-pin surface-mount packages (8-VSSOP, 8-MSOP, 8-MiniSO, or 8-uMAX) with identical 0.118" (3.00 mm) width. PCB footprints are compatible across all variants. Packaging format selection affects procurement and assembly processes but does not impact circuit design or PCB layout.

Q5: Which substitute is best for automotive applications?

A: LMV822IST and LMV822IYST are qualified to AEC-Q100 automotive standards, making them the appropriate choice for automotive-grade designs. Both parts maintain Active status and ROHS3 compliance. However, note that the minimum supply voltage is 2.5 V (not 1.8 V like the TLV2782IDGK) and the operating temperature range is -40°C to 125°C. If your automotive application requires operation below 2.5 V, the TLV2782IDGK remains the only suitable option, though it lacks automotive qualification.

Q6: What is the significance of "Obsolete" product status for FAN4852IMU8X?

A: Obsolete status indicates that onsemi has discontinued manufacturing and will not produce additional units. Existing inventory may be available from distributors, but supply is finite and will eventually deplete. Using obsolete parts in new designs creates long-term supply chain risk and is not recommended. FAN4852IMU8X should only be considered for legacy product maintenance or short-term applications where supply depletion is acceptable.

Q7: How do I verify that a substitute part will work in my specific application?

A: Verification requires comparing three critical parameters: (1) Supply voltage range—ensure your circuit's operating voltage falls within the substitute part's minimum and maximum specifications; (2) Operating temperature range—confirm the substitute supports your application's temperature extremes; (3) Output current requirements—verify that the substitute's maximum output current per channel meets your load demands. Additionally, review input bias current and input offset voltage specifications if your circuit includes high-impedance inputs or precision signal conditioning. Consult the substitute part's datasheet for detailed electrical characteristics and application notes.

Q8: Can I use MCP6482 in place of TLV2782IDGK if my application requires very low power consumption?

A: Yes, MCP6482 is suitable if your application can tolerate reduced performance specifications. MCP6482 offers significantly lower supply current (240 µA per channel pair versus 650 µA for TLV2782IDGK), making it ideal for battery-powered designs. However, accept the trade-offs: lower slew rate (2.7 V/µs versus 5 V/µs), lower gain-bandwidth product (4 MHz versus 8 MHz), and lower output current per channel (12 mA versus 23 mA). Verify that your circuit does not require the higher performance specifications of the TLV2782IDGK before selecting MCP6482.

Q9: What does "Rail-to-Rail" output mean, and do all substitutes support this feature?

A: Rail-to-rail output capability means the amplifier's output voltage can swing from the negative supply rail to the positive supply rail, utilizing the full available voltage range. This is advantageous in low-voltage applications where maximum signal swing is critical. All listed substitutes (TLV2782IDGK, AD8602, MCP6282, MCP6482, LMV822, MAX4326, FAN4852) feature rail-to-rail output, ensuring compatibility in this regard.

Q10: Are there any compliance or certification differences between substitute parts?

A: All listed substitutes maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the TLV2782IDGK. The primary certification difference is automotive qualification: LMV822IST and LMV822IYST are AEC-Q100 qualified, while other parts lack automotive certification. For non-automotive applications, all substitutes are equivalent from a compliance perspective. For automotive designs, LMV822 series is the appropriate choice if automotive qualification is required.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message