LMV614MA/NOPB Equivalent & Substitute Parts

Part Overview

The LMV614MA/NOPB is a general purpose operational amplifier manufactured by Texas Instruments, configured as a 4-circuit rail-to-rail amplifier in a 14-SOIC surface mount package. This device is classified as Active product status and is ROHS3 compliant. The LMV614MA/NOPB serves applications requiring low-power, rail-to-rail amplification across industrial and consumer electronics. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to supply constraints, design optimization, or application-specific performance needs.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Slew Rate	0.42	V/µs
Gain Bandwidth Product	1.5	MHz
Current - Input Bias	14	nA
Voltage - Input Offset	1	mV
Current - Supply (x4 Channels)	116	µA
Current - Output / Channel	100	mA
Voltage - Supply Span (Min)	1.8	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the LMV614MA/NOPB are selected based on strict electrical and mechanical compatibility criteria. The following parameters define valid substitution:

Primary Compatibility Criteria:

Number of Circuits: 4 (mandatory)
Output Type: Rail-to-Rail (mandatory)
Package / Case: 14-SOIC or equivalent 14-pin surface mount (mandatory)
Voltage - Supply Span: Minimum 1.8V to 5.5V overlap required
Operating Temperature: -40°C minimum and 125°C maximum coverage required
Mounting Type: Surface Mount (mandatory)
RoHS Status: ROHS3 Compliant (mandatory)

Secondary Performance Parameters (allowable variance):

Slew Rate: 0.35 V/µs to 10 V/µs
Gain Bandwidth Product: 900 kHz to 10 MHz
Current - Input Bias: 1 pA to 14 nA
Voltage - Input Offset: 500 µV to 1 mV
Current - Supply: 45 µA to 360 µA
Current - Output / Channel: 12 mA to 100 mA

Substitute parts meeting all primary criteria and operating within secondary parameter ranges are functionally equivalent for general purpose amplification applications.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (nA/pA)	Input Offset (mV/µV)	Supply Current (µA)	Output Current (mA)	Supply Span (V)	Temp Range (°C)	Package	Packaging Type
LMV614MA/NOPB	Texas Instruments	General Purpose	0.42	1.5	14 nA	1 mV	116	100	1.8–5.5	-40 to 125	14-SOIC	Tube
AD8544ARZ	Analog Devices Inc.	General Purpose	0.92	1	4 pA	1 mV	45	30	2.7–5.5	-40 to 125	14-SOIC	Tube
AD8544ARZ-REEL	Analog Devices Inc.	General Purpose	0.92	1	4 pA	1 mV	45	30	2.7–5.5	-40 to 125	14-SOIC	Cut Tape & Digi-Reel
AD8544WARZ-R7	Analog Devices Inc.	General Purpose	0.92	1	4 pA	1 mV	45	30	2.7–5.5	-40 to 125	14-SOIC	Tape & Reel
BU7244F-E2	Rohm Semiconductor	CMOS	0.4	0.9	1 pA	1 mV	360	12	1.8–5.5	-40 to 85	14-SOP	Cut Tape & Digi-Reel
BU7487F-E2	Rohm Semiconductor	CMOS	10	10	1 pA	1 mV	6000	12	3–5.5	-40 to 105	14-SOP	Cut Tape & Digi-Reel
ISL28413FBZ	Renesas Electronics	General Purpose	1	2	3 pA	0.5 mV	90	22	1.8–5.5	-40 to 125	14-SOIC	Tube
ISL28413FBZ-T7	Renesas Electronics	General Purpose	1	2	3 pA	0.5 mV	90	22	1.8–5.5	-40 to 125	14-SOIC	Tape & Reel
ISL28414FBZ	Renesas Electronics	General Purpose	2.5	5	3 pA	0.5 mV	300	31	1.8–5.5	-40 to 125	14-SOIC	Tube
ISL28414FBZ-T7	Renesas Electronics	General Purpose	2.5	5	3 pA	0.5 mV	300	31	1.8–5.5	-40 to 125	14-SOIC	Tape & Reel
LMR934F-GE2	Rohm Semiconductor	General Purpose	0.35	1.4	5 nA	1 mV	250	90	1.8–5	-40 to 85	14-SOP	Cut Tape & Digi-Reel

Engineering Selection Recommendations

Tier 1 - Direct Substitutes (Highest Compatibility):

The ISL28413FBZ and ISL28413FBZ-T7 (Renesas Electronics) provide the closest functional equivalence to the LMV614MA/NOPB. Both devices maintain identical supply voltage range (1.8–5.5V), full operating temperature coverage (-40°C to 125°C), 14-SOIC package format, and ROHS3 compliance. These parts differ only in packaging configuration (Tube vs. Tape & Reel). The ISL28413 series exhibits superior input bias current (3 pA vs. 14 nA) and lower input offset voltage (500 µV vs. 1 mV), with marginally higher slew rate (1 V/µs vs. 0.42 V/µs) and gain bandwidth product (2 MHz vs. 1.5 MHz).

The AD8544ARZ, AD8544ARZ-REEL, and AD8544WARZ-R7 (Analog Devices Inc.) are functionally equivalent general purpose amplifiers with identical 14-SOIC packaging and full temperature range support. These devices feature lower supply current (45 µA vs. 116 µA) and superior input bias current (4 pA vs. 14 nA). The minimum supply voltage is 2.7V, which is compatible with the 1.8V minimum of the LMV614MA/NOPB for applications operating above 2.7V.

Tier 2 - Performance-Variant Substitutes (Conditional Compatibility):

The ISL28414FBZ and ISL28414FBZ-T7 (Renesas Electronics) are higher-performance variants with enhanced slew rate (2.5 V/µs) and gain bandwidth product (5 MHz). These devices maintain full supply voltage and temperature range compatibility but exhibit higher supply current (300 µA vs. 116 µA). Selection is appropriate for applications requiring faster transient response.

The LMR934F-GE2 (Rohm Semiconductor) provides comparable slew rate (0.35 V/µs) and gain bandwidth product (1.4 MHz) with higher output current capability (90 mA vs. 100 mA). Operating temperature maximum is 85°C, limiting use in applications requiring 125°C operation. Maximum supply voltage is 5V, compatible with the 5.5V specification.

Tier 3 - Limited Compatibility Substitutes:

The BU7244F-E2 (Rohm Semiconductor) is a CMOS amplifier with identical supply voltage range and lower operating temperature maximum (85°C). This device exhibits significantly higher supply current (360 µA) and reduced output current per channel (12 mA vs. 100 mA), making it unsuitable for high-current output applications.

The BU7487F-E2 (Rohm Semiconductor) is a high-speed CMOS amplifier with minimum supply voltage of 3V, excluding applications requiring 1.8V operation. Operating temperature maximum is 105°C, below the 125°C specification of the LMV614MA/NOPB.

Compliance and Certification:

All substitute parts listed maintain ROHS3 compliance and EAR99 export classification. Moisture sensitivity levels range from MSL 1 (Unlimited) to MSL 2 (1 Year), with no impact on substitution validity. REACH status is unaffected for all listed alternatives.

Frequently Asked Questions (FAQ)

Q1: Can the AD8544ARZ replace the LMV614MA/NOPB in all applications?

The AD8544ARZ is electrically compatible for applications operating at supply voltages of 2.7V or higher. The LMV614MA/NOPB supports operation down to 1.8V. If your application requires 1.8V to 2.7V operation, the AD8544ARZ is not suitable. For applications at 2.7V and above, the AD8544ARZ provides superior performance with lower supply current and input bias current.

Q2: What is the difference between AD8544ARZ, AD8544ARZ-REEL, and AD8544WARZ-R7?

These three part numbers represent the same AD8544 amplifier with different packaging configurations. AD8544ARZ is supplied in Tube packaging. AD8544ARZ-REEL is supplied in Cut Tape & Digi-Reel format. AD8544WARZ-R7 is supplied in Tape & Reel format. Electrical specifications are identical. Selection depends on your assembly process requirements and tape/reel compatibility.

Q3: Why does the ISL28413FBZ have lower input bias current than the LMV614MA/NOPB?

The ISL28413FBZ uses advanced CMOS input stage technology, resulting in input bias current of 3 pA compared to 14 nA in the LMV614MA/NOPB. This represents superior input impedance characteristics and reduced input current errors in high-impedance signal conditioning applications.

Q4: Can I use the ISL28414FBZ instead of the ISL28413FBZ?

Yes, the ISL28414FBZ is a higher-performance variant of the ISL28413FBZ with identical package, supply voltage range, and temperature coverage. The ISL28414FBZ provides higher slew rate (2.5 V/µs vs. 1 V/µs) and gain bandwidth product (5 MHz vs. 2 MHz), but requires higher supply current (300 µA vs. 90 µA). Use the ISL28414FBZ when faster amplifier response is required.

Q5: Are the 14-SOIC and 14-SOP packages interchangeable?

The 14-SOIC and 14-SOP packages are not mechanically interchangeable. The 14-SOIC (0.154" width, 3.90mm) has narrower body width than 14-SOP (0.173" width, 4.40mm). PCB footprints are different. Verify your PCB design accommodates the specific package before substitution.

Q6: What is the maximum operating temperature limitation for the BU7244F-E2?

The BU7244F-E2 has a maximum operating temperature of 85°C, compared to 125°C for the LMV614MA/NOPB. This device is not suitable for applications requiring operation above 85°C.

Q7: Why does the BU7487F-E2 have a minimum supply voltage of 3V?

The BU7487F-E2 is designed for higher-speed operation (10 V/µs slew rate, 10 MHz gain bandwidth product) and requires minimum 3V supply voltage for stable operation. The LMV614MA/NOPB operates at 1.8V minimum. Do not use the BU7487F-E2 in applications requiring 1.8V to 3V operation.

Q8: Which substitute provides the lowest power consumption?

The AD8544 series (AD8544ARZ, AD8544ARZ-REEL, AD8544WARZ-R7) provides the lowest supply current at 45 µA total for four channels, compared to 116 µA for the LMV614MA/NOPB. This represents 61% reduction in supply current.

Q9: Can I use the LMR934F-GE2 in a 1.8V application?

Yes, the LMR934F-GE2 supports 1.8V minimum supply voltage. However, the maximum operating temperature is 85°C, and maximum supply voltage is 5V (vs. 5.5V for the LMV614MA/NOPB). Verify your application temperature and supply voltage requirements before selection.

Q10: What is the inventory status of substitute parts?

Current inventory levels are: AD8544ARZ (15,845 pcs), AD8544ARZ-REEL (4,790 pcs), AD8544WARZ-R7 (1,414 pcs), ISL28413FBZ (1,629 pcs), ISL28413FBZ-T7 (1,035 pcs), ISL28414FBZ (1,417 pcs), ISL28414FBZ-T7 (1,133 pcs), BU7244F-E2 (5,200 pcs), BU7487F-E2 (965 pcs), LMR934F-GE2 (3,301 pcs). Inventory levels are subject to change.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message