LMP7704MTX Equivalent & Substitute Parts

Part Overview

The LMP7704MTX is a general-purpose operational amplifier featuring four circuits in a 14-TSSOP surface-mount package. This device delivers rail-to-rail output capability with a 2.5 MHz gain-bandwidth product and operates across a 2.7 V to 12 V supply range. The LMP7704MTX is classified as obsolete, necessitating identification of active alternative components that maintain functional and electrical compatibility for new designs and production continuity.

Key Parameters

Parameter	Value
Amplifier Type	General Purpose
Number of Circuits	4
Output Type	Rail-to-Rail
Package / Case	14-TSSOP (0.173", 4.40mm 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	1.1 V/µs
Gain Bandwidth Product	2.5 MHz
Current - Input Bias	0.2 pA
Voltage - Input Offset	37 µV
Current - Supply	3.2 mA (x4 Channels)
Current - Output / Channel	86 mA
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the LMP7704MTX is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Package type: 14-TSSOP surface-mount configuration
Number of circuits: 4 operational amplifiers per package
Output configuration: Rail-to-rail output capability
Supply voltage range: Minimum 2.7 V, maximum 12 V
Operating temperature range: -40°C to 125°C
Amplifier classification: General-purpose topology

Secondary Compatibility Factors:

Slew rate performance (1.1 V/µs baseline)
Gain-bandwidth product (2.5 MHz baseline)
Input bias current characteristics
Input offset voltage specifications
Output current per channel (86 mA baseline)
Supply current consumption

Substitute parts are grouped into two categories: direct replacements maintaining identical electrical specifications and functional alternatives offering comparable performance within the defined parameter envelope. All substitute parts listed maintain the 14-TSSOP package footprint and four-circuit configuration, ensuring mechanical and electrical compatibility at the board level.

Parameter Comparison

Parameter	LMP7704MTX	LMP7704MTX/NOPB	OP496HRUZ-REEL	TS924AIPT	TS924AIYPT	TS924IPT	TS934IPT	TS944AIPT	TS944IPT	TS954IPT
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Amplifier Type	General Purpose	General Purpose	CMOS	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	4	4	4	4	4	4	4	4	4	4
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
Package / Case	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Voltage - Supply Span (Min)	2.7 V	2.7 V	3 V	2.7 V	2.7 V	2.7 V	2.7 V	2.5 V	2.5 V	2.7 V
Voltage - Supply Span (Max)	12 V	12 V	12 V	12 V	12 V	12 V	10 V	10 V	10 V	12 V
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 105°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C
Slew Rate	1.1 V/µs	1.1 V/µs	0.3 V/µs	1.3 V/µs	1.3 V/µs	1.3 V/µs	0.05 V/µs	0.0045 V/µs	0.0045 V/µs	1 V/µs
Gain Bandwidth Product	2.5 MHz	2.5 MHz	450 kHz	4 MHz	4 MHz	4 MHz	100 kHz	10 kHz	10 kHz	3 MHz
Current - Input Bias	0.2 pA	0.2 pA	10 nA	15 nA	15 nA	15 nA	1 pA	1 pA	1 pA	35 nA
Voltage - Input Offset	37 µV	37 µV	35 µV	900 µV	900 µV	3 mV	10 mV	5 mV	10 mV	6 mV
Current - Supply	3.2 mA (x4)	3.2 mA (x4)	Not specified	1 mA	1 mA	1 mA	20 µA (x4)	1.2 µA (x4)	1.2 µA (x4)	950 µA (x4)
Current - Output / Channel	86 mA	86 mA	4 mA	80 mA	80 mA	80 mA	5 mA	5 mA	5 mA	10 mA
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (Identical Electrical Specifications):

The LMP7704MTX/NOPB from Texas Instruments is the direct successor to the LMP7704MTX. This part maintains all electrical specifications including 1.1 V/µs slew rate, 2.5 MHz gain-bandwidth product, 37 µV input offset voltage, and 86 mA output current per channel. The primary distinction is product status: LMP7704MTX/NOPB is active and ROHS3 compliant, whereas the original LMP7704MTX is obsolete and RoHS non-compliant. This substitution requires no circuit redesign and provides full functional equivalence.

Performance-Matched Alternatives (General Purpose, Rail-to-Rail, 4-Circuit):

The TS924AIPT, TS924AIYPT, and TS924IPT from STMicroelectronics offer enhanced performance characteristics while maintaining the 14-TSSOP package and four-circuit configuration. These devices feature 1.3 V/µs slew rate and 4 MHz gain-bandwidth product, exceeding the LMP7704MTX baseline. All three variants are ROHS3 compliant and active. The TS924AIPT and TS924AIYPT include automotive-grade qualification (AEC-Q100), suitable for applications requiring automotive reliability standards. The TS924IPT provides the highest inventory availability at 33,700 units.

The TS954IPT from STMicroelectronics delivers 1 V/µs slew rate and 3 MHz gain-bandwidth product with automotive-grade qualification (AEC-Q100). This device operates across the full -40°C to 125°C temperature range and provides 10 mA output current per channel.

Low-Power Alternative (Reduced Supply Current):

The TS934IPT from STMicroelectronics is optimized for low-power applications, consuming only 20 µA total supply current compared to the LMP7704MTX baseline of 3.2 mA. This device operates at 0.05 V/µs slew rate and 100 kHz gain-bandwidth product, suitable for applications where bandwidth requirements are modest and power consumption is critical. Operating temperature range is -40°C to 105°C with automotive-grade qualification (AEC-Q100).

Ultra-Low-Power Alternative (Minimal Supply Current):

The TS944AIPT and TS944IPT from STMicroelectronics consume only 1.2 µA total supply current, representing a 2,667-fold reduction from the LMP7704MTX. These devices operate at 0.0045 V/µs slew rate and 10 kHz gain-bandwidth product, appropriate for battery-powered and energy-harvesting applications. Operating temperature range is -40°C to 85°C. Both variants include automotive-grade qualification (AEC-Q100).

CMOS Technology Alternative:

The OP496HRUZ-REEL from Analog Devices Inc. employs CMOS technology with 10 nA input bias current and 35 µV input offset voltage. This device operates at 0.3 V/µs slew rate and 450 kHz gain-bandwidth product. The minimum supply voltage is 3 V, which exceeds the LMP7704MTX baseline of 2.7 V. This substitution is appropriate for applications where ultra-low input bias current is required and bandwidth requirements are moderate.

All substitute parts maintain ROHS3 compliance and are currently in active production status, ensuring long-term availability and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the LMP7704MTX/NOPB be used as a direct replacement for the LMP7704MTX?

A: Yes. The LMP7704MTX/NOPB maintains identical electrical specifications including slew rate, gain-bandwidth product, input offset voltage, and output current per channel. The primary differences are product status (active versus obsolete) and RoHS compliance (ROHS3 versus non-compliant). No circuit modifications are required.

Q: What is the key difference between the TS924 variants (AIPT, AIYPT, IPT)?

A: All three TS924 variants share identical electrical specifications: 1.3 V/µs slew rate, 4 MHz gain-bandwidth product, 15 nA input bias current, and 80 mA output current per channel. The TS924AIPT and TS924AIYPT include automotive-grade qualification (AEC-Q100). Packaging differs: TS924AIPT uses Cut Tape & Digi-Reel, TS924AIYPT uses Tape & Reel, and TS924IPT uses Cut Tape & Digi-Reel. The TS924IPT has higher input offset voltage (3 mV versus 900 µV) but offers significantly greater inventory availability (33,700 units).

Q: When should the TS934IPT or TS944 series be selected instead of the LMP7704MTX?

A: The TS934IPT and TS944 series are selected when supply current consumption is a primary design constraint. The TS934IPT consumes 20 µA total supply current and operates at 100 kHz bandwidth, suitable for low-bandwidth applications requiring reduced power. The TS944 series consumes only 1.2 µA total supply current and operates at 10 kHz bandwidth, appropriate for ultra-low-power battery-powered designs. These alternatives sacrifice bandwidth performance for dramatic power consumption reduction.

Q: Is the OP496HRUZ-REEL compatible with the LMP7704MTX in all applications?

A: The OP496HRUZ-REEL maintains the 14-TSSOP package and four-circuit rail-to-rail configuration. However, the minimum supply voltage is 3 V compared to the LMP7704MTX baseline of 2.7 V. Applications operating below 3 V supply voltage cannot use this substitute. Additionally, the OP496HRUZ-REEL operates at 0.3 V/µs slew rate and 450 kHz gain-bandwidth product, which are lower than the LMP7704MTX specifications. Compatibility depends on specific application bandwidth and supply voltage requirements.

Q: What is the significance of automotive-grade qualification (AEC-Q100)?

A: AEC-Q100 qualification indicates the device meets automotive industry reliability and quality standards established by the Automotive Electronics Council. Devices with AEC-Q100 qualification (TS924AIPT, TS924AIYPT, TS934IPT, TS944AIPT, TS954IPT) are suitable for automotive applications and applications requiring equivalent reliability standards. The LMP7704MTX and LMP7704MTX/NOPB do not carry AEC-Q100 qualification.

Q: Can the TS944 series be used in applications requiring the full -40°C to 125°C operating temperature range?

A: No. The TS944AIPT and TS944IPT operate only across -40°C to 85°C. Applications requiring operation at temperatures above 85°C cannot use these devices. The TS954IPT, TS924 series, and LMP7704MTX/NOPB all support the full -40°C to 125°C range.

Q: What is the impact of input offset voltage differences among substitute parts?

A: Input offset voltage determines the DC error at the amplifier output when no input signal is applied. The LMP7704MTX specifies 37 µV input offset voltage. The LMP7704MTX/NOPB and OP496HRUZ-REEL maintain similar specifications (37 µV and 35 µV respectively). The TS924 series specifies 900 µV to 3 mV, which is 24 to 81 times higher. Applications requiring precision DC amplification or low-offset performance should prioritize devices with lower input offset voltage specifications.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts use the 14-TSSOP surface-mount package, ensuring mechanical compatibility at the board level. However, packaging formats differ: some are supplied in Cut Tape & Digi-Reel format, others in Tape & Reel format. The LMP7704MTX/NOPB is supplied in Tape & Reel format. Verify packaging format compatibility with assembly equipment and procurement requirements before final selection.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message