LMP7708MAX/NOPB Equivalent & Substitute Parts

Part Overview

The LMP7708MAX/NOPB is a general purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-SOIC surface mount package. This device operates across a supply voltage range of 2.7V to 12V with rail-to-rail output capability, making it suitable for low-power analog signal processing applications. The part is currently in active production status with 5400 units in stock inventory.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances for this amplifier category. Substitution becomes necessary due to supply constraints, design optimization requirements, or application-specific performance needs.

Key Parameters

Parameter	Value	Unit
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	—
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	12	V
Operating Temperature	-40°C ~ 125°C	—
Slew Rate	5.9	V/µs
Gain Bandwidth Product	15	MHz
Current - Input Bias	0.2	pA
Voltage - Input Offset	37	µV
Current - Supply	1.5	mA (x2 Channels)
Current - Output / Channel	86	mA
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the LMP7708MAX/NOPB are classified based on strict adherence to the following critical parameters:

Primary Compatibility Criteria:

Dual circuit configuration (2 circuits minimum)
Rail-to-rail output capability
8-SOIC surface mount package (0.154", 3.90mm width)
Supply voltage range compatibility: minimum 2.7V, maximum 12V
Operating temperature range: -40°C to 125°C minimum
Active product status
ROHS3 compliance

Secondary Performance Parameters:

Slew rate: 5.9V/µs or greater
Gain bandwidth product: 15 MHz or greater
Input bias current: 0.2 pA or lower
Input offset voltage: 37 µV or lower
Output current per channel: 86 mA or greater
Supply current: 1.5 mA per channel or lower

Substitutes are grouped into two categories: Direct General Purpose Substitutes (matching amplifier type classification) and CMOS Alternative Substitutes (alternative amplifier topology with equivalent electrical performance within application constraints).

Parameter Comparison

Parameter	LMP7708MAX/NOPB	LTC6241HVCS8#PBF	LTC6241HVCS8#TRPBF	LTC6241HVIS8#PBF	OP262TRZ-EP	TS9222IDT	TS9222IYDT	TS952IYDT
Manufacturer	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	STMicroelectronics	STMicroelectronics	STMicroelectronics
Amplifier Type	General Purpose	CMOS	CMOS	CMOS	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	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
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Voltage - Supply Span (Min)	2.7 V	2.8 V	2.8 V	2.8 V	2.7 V	2.7 V	2.7 V	2.7 V
Voltage - Supply Span (Max)	12 V	11 V	11 V	11 V	12 V	12 V	12 V	12 V
Operating Temperature	-40°C ~ 125°C	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C	-55°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Slew Rate	5.9 V/µs	10 V/µs	10 V/µs	10 V/µs	13 V/µs	1.3 V/µs	1.3 V/µs	1 V/µs
Gain Bandwidth Product	15 MHz	18 MHz	18 MHz	18 MHz	15 MHz	4 MHz	4 MHz	3 MHz
Current - Input Bias	0.2 pA	0.5 pA	0.5 pA	0.5 pA	260 nA	15 nA	15 nA	35 nA
Voltage - Input Offset	37 µV	50 µV	50 µV	50 µV	25 µV	500 µV	500 µV	6 mV
Current - Supply	1.5 mA (x2)	2.5 mA (x2)	2.5 mA (x2)	2.5 mA (x2)	650 µA (x2)	900 µA	900 µA	950 µA (x2)
Current - Output / Channel	86 mA	30 mA	30 mA	30 mA	30 mA	80 mA	80 mA	10 mA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Tier 1: Direct Substitutes (Highest Compatibility)

OP262TRZ-EP (Analog Devices Inc.) is the primary substitute for applications requiring identical amplifier type classification and extended temperature range. This general purpose amplifier maintains the 15 MHz gain bandwidth product specification and operates across -55°C to 125°C, exceeding the original temperature range. The 8-SOIC package and rail-to-rail output are identical. Supply voltage compatibility spans 2.7V to 12V. Current supply consumption is reduced to 650 µA per channel, and slew rate is increased to 13 V/µs. All parts are ROHS3 compliant with MSL 1 rating.

TS9222IYDT and TS9222IDT (STMicroelectronics) are automotive-grade general purpose substitutes with AEC-Q100 qualification. Both maintain the 8-SOIC package, rail-to-rail output, and full -40°C to 125°C operating temperature range. Supply voltage range is 2.7V to 12V. These parts feature 4 MHz gain bandwidth product and 1.3 V/µs slew rate, which are lower than the original specification but remain within acceptable parameters for many general purpose applications. Output current per channel is 80 mA, closely matching the original 86 mA specification.

TS952IYDT (STMicroelectronics) is an automotive-grade general purpose substitute with AEC-Q100 qualification. The 8-SOIC package and rail-to-rail output are maintained. Operating temperature range is -40°C to 125°C with supply voltage 2.7V to 12V. This part features 3 MHz gain bandwidth product and 1 V/µs slew rate. Output current per channel is limited to 10 mA, which is significantly lower than the original 86 mA specification and may restrict applications requiring higher output drive capability.

Tier 2: CMOS Alternative Substitutes (Performance Enhancement)

LTC6241HVCS8#PBF and LTC6241HVCS8#TRPBF (Analog Devices Inc.) are CMOS amplifier alternatives offering enhanced performance in specific parameters. Both maintain the 8-SOIC package and rail-to-rail output. Gain bandwidth product is increased to 18 MHz and slew rate to 10 V/µs. Input bias current is 0.5 pA and input offset voltage is 50 µV. Supply current is 2.5 mA per channel. Output current per channel is reduced to 30 mA. Supply voltage range is 2.8V to 11V. Operating temperature range for LTC6241HVCS8#PBF is 0°C to 70°C, which does not meet the original -40°C to 125°C specification. LTC6241HVCS8#TRPBF maintains identical electrical specifications with identical temperature limitation.

LTC6241HVIS8#PBF (Analog Devices Inc.) is a CMOS amplifier alternative with extended temperature range. The 8-SOIC package and rail-to-rail output are maintained. Gain bandwidth product is 18 MHz and slew rate is 10 V/µs. Input bias current is 0.5 pA and input offset voltage is 50 µV. Supply current is 2.5 mA per channel. Output current per channel is 30 mA. Operating temperature range is -40°C to 85°C, which partially meets the original specification but does not extend to 125°C. Supply voltage range is 2.8V to 11V.

All substitute parts maintain ROHS3 compliance and MSL 1 moisture sensitivity rating, ensuring compatibility with standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q1: Can LTC6241HVCS8#PBF be used as a direct replacement for LMP7708MAX/NOPB in all applications?

A: LTC6241HVCS8#PBF is not suitable for applications requiring operation below 0°C or above 70°C. The operating temperature range of 0°C to 70°C does not meet the original specification of -40°C to 125°C. Additionally, output current per channel is reduced from 86 mA to 30 mA. Substitution is valid only for applications operating within the narrower temperature range and not requiring the higher output current capability.

Q2: What is the key difference between TS9222IYDT and TS952IYDT?

A: Both parts are automotive-grade general purpose amplifiers with AEC-Q100 qualification in 8-SOIC packages. TS9222IYDT features 4 MHz gain bandwidth product, 1.3 V/µs slew rate, and 80 mA output current per channel. TS952IYDT features 3 MHz gain bandwidth product, 1 V/µs slew rate, and 10 mA output current per channel. TS9222IYDT provides higher performance specifications and is preferred when higher bandwidth and output current are required.

Q3: Are all substitute parts available in the same packaging options as the original LMP7708MAX/NOPB?

A: All substitute parts are available in 8-SOIC surface mount packages with identical physical dimensions (0.154", 3.90mm width). However, packaging format options differ. LMP7708MAX/NOPB is supplied in Tape & Reel (TR) format. Substitute parts are available in Tube, Cut Tape (CT) & Digi-Reel®, or Cut Tape (CT) & Digi-Reel® formats depending on the specific part number. Verify packaging format compatibility with your procurement and assembly requirements.

Q4: Which substitute part offers the best performance improvement over the original LMP7708MAX/NOPB?

A: OP262TRZ-EP provides the most significant performance improvements while maintaining general purpose amplifier classification. It offers increased slew rate (13 V/µs versus 5.9 V/µs), reduced supply current (650 µA per channel versus 1.5 mA), and extended temperature range (-55°C to 125°C versus -40°C to 125°C). Gain bandwidth product remains at 15 MHz. All electrical and mechanical compatibility parameters are maintained.

Q5: Can LTC6241HVIS8#PBF be used in applications requiring -40°C operation?

A: Yes. LTC6241HVIS8#PBF operates across -40°C to 85°C, which includes the lower temperature limit of the original specification. However, this part does not extend to 125°C. Substitution is valid for applications requiring -40°C operation but operating at or below 85°C maximum temperature.

Q6: What is the impact of reduced output current in LTC6241 series substitutes?

A: LTC6241 series parts provide 30 mA output current per channel compared to 86 mA in the original LMP7708MAX/NOPB. This reduction limits the maximum load current that can be driven directly from the amplifier output. Applications requiring output currents exceeding 30 mA must implement external buffering or current amplification stages. Verify load impedance and current requirements before substitution.

Q7: Are automotive-grade substitutes (TS9222IYDT, TS952IYDT) suitable for non-automotive applications?

A: Yes. Automotive-grade parts with AEC-Q100 qualification meet or exceed the reliability and performance standards required for general industrial and commercial applications. The automotive qualification indicates enhanced testing and quality assurance. These parts are fully compatible with non-automotive designs and may provide improved reliability margins.

Q8: What is the significance of the supply voltage range difference between LMP7708MAX/NOPB (2.7V to 12V) and LTC6241 series (2.8V to 11V)?

A: The LTC6241 series minimum supply voltage is 0.1V higher (2.8V versus 2.7V) and maximum supply voltage is 1V lower (11V versus 12V). Applications operating at exactly 2.7V or above 11V are not compatible with LTC6241 substitutes. Verify your supply voltage specifications before selecting CMOS alternatives.

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