MAX9910EXK-T Equivalent & Substitute Parts

Part Overview

The MAX9910EXK-T is a general purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, featuring rail-to-rail output capability in a compact SC-70-5 surface mount package. This device is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. The part operates across a 1.8V to 5.5V supply range with low input bias current and minimal input offset voltage, making it suitable for low-power analog signal conditioning applications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Package / Case	5-TSSOP, SC-70-5, SOT-353	—
Voltage - Supply Span (Min)	1.8	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 85	°C
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the MAX9910EXK-T is determined by the following critical parameters:

Primary Compatibility Criteria:

Package / Case: 5-TSSOP, SC-70-5, SOT-353 (physical and electrical pin compatibility)
Amplifier Type: General Purpose (functional classification)
Number of Circuits: 1 (single amplifier per package)
Output Type: Rail-to-Rail (output swing capability)
Voltage - Supply Span: 1.8V to 5.5V (operating range compatibility)
Mounting Type: Surface Mount (assembly process compatibility)

Compliance Requirements:

RoHS3 Compliant status
Moisture Sensitivity Level 1 (Unlimited)

All substitute parts listed meet these criteria. The MAX9910EXK+T represents a direct packaging variant of the same base product (MAX9910) in active production status. The LMV931 series (LMV931MG/NOPB and LMV931MGX/NOPB) from Texas Instruments provides functional equivalence with enhanced electrical performance characteristics while maintaining identical package geometry and supply voltage compatibility.

Parameter Comparison

Parameter	MAX9910EXK-T	MAX9910EXK+T	LMV931MG/NOPB	LMV931MGX/NOPB
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Active	Active
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	1	1	1	1
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	0.1	0.1	0.42	0.42
Gain Bandwidth Product (kHz)	200	200	1500	1500
Current - Input Bias (pA/nA)	1 pA	1 pA	14 nA	14 nA
Voltage - Input Offset (µV/mV)	200 µV	200 µV	1 mV	1 mV
Current - Supply (µA)	4	4	116	116
Current - Output / Channel (mA)	15	—	100	100
Voltage - Supply Span (Min) (V)	1.8	1.8	1.8	1.8
Voltage - Supply Span (Max) (V)	5.5	5.5	5.5	5.5
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	-40 to 125
Package / Case	5-TSSOP, SC-70-5, SOT-353	5-TSSOP, SC-70-5, SOT-353	5-TSSOP, SC-70-5, SOT-353	5-TSSOP, SC-70-5, SOT-353
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

MAX9910EXK+T (Analog Devices Inc./Maxim Integrated): This part represents the active production variant of the MAX9910 base product. It maintains identical electrical specifications to the obsolete MAX9910EXK-T while offering active product status and improved supply availability (35,200 units in stock). Selection of this part eliminates obsolescence risk while preserving design compatibility. Packaging is specified as Cut Tape (CT) and Digi-Reel®, suitable for both manual and automated assembly processes. ROHS3 compliance and REACH unaffected status confirm regulatory alignment.

LMV931MG/NOPB and LMV931MGX/NOPB (Texas Instruments): These parts provide functional substitution with enhanced electrical performance. Both variants deliver 7.5× higher gain bandwidth product (1.5 MHz versus 200 kHz) and 4.2× faster slew rate (0.42 V/µs versus 0.1 V/µs). Output current capability increases from 15 mA to 100 mA. Operating temperature range extends to 125°C maximum. Supply voltage compatibility (1.8V to 5.5V) and package geometry remain identical. These characteristics position the LMV931 series for applications requiring higher bandwidth or output drive capability within the same form factor. Both variants maintain ROHS3 compliance and unlimited moisture sensitivity rating. The LMV931MGX/NOPB variant offers higher inventory availability (9,024 units) compared to LMV931MG/NOPB (2,966 units).

Selection Basis:

For direct replacement with active product status: MAX9910EXK+T
For enhanced performance with identical package compatibility: LMV931MG/NOPB or LMV931MGX/NOPB

All three substitute options satisfy RoHS3 compliance and MSL 1 requirements. Selection should account for application-specific bandwidth, output current, and temperature range requirements.

Frequently Asked Questions (FAQ)

Q: Can the MAX9910EXK+T be used as a direct replacement for MAX9910EXK-T?

A: Yes. The MAX9910EXK+T is the active production variant of the same base product (MAX9910). Electrical specifications, package geometry (SC-70-5), and pin configuration are identical. The primary difference is product status (active versus obsolete) and packaging format (Cut Tape/Digi-Reel versus standard tape). No circuit modifications are required.

Q: What are the key differences between MAX9910 and LMV931 series?

A: Both devices share identical package geometry (5-TSSOP, SC-70-5, SOT-353) and supply voltage range (1.8V to 5.5V). The LMV931 series provides enhanced performance: 7.5× higher gain bandwidth product (1.5 MHz versus 200 kHz), 4.2× faster slew rate (0.42 V/µs versus 0.1 V/µs), and 6.7× higher output current (100 mA versus 15 mA). Input bias current and supply current are higher in the LMV931 series. Operating temperature range extends to 125°C for LMV931 versus 85°C for MAX9910.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. MAX9910EXK+T, LMV931MG/NOPB, and LMV931MGX/NOPB all carry ROHS3 Compliant status. All parts maintain Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity constraints during storage or handling.

Q: What is the difference between LMV931MG/NOPB and LMV931MGX/NOPB?

A: Both parts are functionally and electrically identical. The primary distinction is inventory availability: LMV931MGX/NOPB has 9,024 units in stock versus 2,966 units for LMV931MG/NOPB. Both are manufactured by Texas Instruments, carry active product status, and are supplied in Cut Tape (CT) and Digi-Reel® packaging.

Q: Can I use LMV931 series in a design originally specified for MAX9910?

A: Substitution is feasible from a package and pin compatibility standpoint. However, the enhanced electrical characteristics of the LMV931 series (higher bandwidth, faster slew rate, increased output current) may affect circuit behavior. Applications with tight bandwidth or slew rate constraints should be evaluated to confirm that the higher performance does not introduce instability or unintended signal characteristics. Supply current consumption increases from 4 µA to 116 µA, which impacts power budget calculations.

Q: What packaging formats are available for these parts?

A: MAX9910EXK+T is supplied in Cut Tape (CT) and Digi-Reel® formats. LMV931MG/NOPB and LMV931MGX/NOPB are also supplied in Cut Tape (CT) and Digi-Reel® formats. All parts use identical SC-70-5 package geometry, ensuring compatibility with existing PCB layouts and assembly equipment.

Q: Are there REACH compliance considerations?

A: MAX9910EXK+T, LMV931MG/NOPB, and LMV931MGX/NOPB all carry REACH Unaffected status, confirming compliance with European chemical regulations. No additional documentation or restrictions apply to these parts.

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