LM13700M Equivalent & Substitute Parts

Part Overview

The LM13700M is a transconductance amplifier integrated circuit manufactured by Texas Instruments, featuring two independent circuits with push-pull output configuration in a 16-SOIC surface mount package. This device is classified as obsolete, which necessitates identification of equivalent substitute components for ongoing design support and procurement continuity. The transconductance amplifier topology provides voltage-to-current conversion functionality suitable for precision analog signal processing applications.

Key Parameters

Parameter	Value
Amplifier Type	Transconductance
Number of Circuits	2
Output Type	Push-Pull
Slew Rate	50 V/µs
Gain Bandwidth Product	2 MHz
Current - Input Bias	400 nA
Voltage - Input Offset	300 µV
Current - Supply (x2 Channels)	2.6 mA
Current - Output / Channel	500 µA
Voltage - Supply Span	10 V to 36 V
Operating Temperature	0°C to 70°C (TA)
Package / Case	16-SOIC (0.154", 3.90 mm Width)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution of the LM13700M is determined by strict equivalence across all electrical and mechanical parameters. The substitute relationship is established through matching of the following critical parameters:

Amplifier Architecture: Transconductance topology with dual independent circuits
Output Configuration: Push-Pull output stage
Electrical Performance: Identical slew rate (50 V/µs), gain bandwidth product (2 MHz), input bias current (400 nA), input offset voltage (300 µV), supply current (2.6 mA per channel), and output current capability (500 µA per channel)
Supply Voltage Range: 10 V to 36 V operation
Temperature Range: 0°C to 70°C
Package Specification: 16-SOIC surface mount package with 0.154" (3.90 mm) width
Pin Configuration: Identical pinout and functional assignment

The LM13700M/NOPB variant qualifies as a direct substitute based on complete parameter alignment across all specified electrical and mechanical characteristics.

Parameter Comparison

Parameter	LM13700M	LM13700M/NOPB
Manufacturer	Texas Instruments	Texas Instruments
Amplifier Type	Transconductance	Transconductance
Number of Circuits	2	2
Output Type	Push-Pull	Push-Pull
Slew Rate	50 V/µs	50 V/µs
Gain Bandwidth Product	2 MHz	2 MHz
Current - Input Bias	400 nA	400 nA
Voltage - Input Offset	300 µV	300 µV
Current - Supply (x2 Channels)	2.6 mA	2.6 mA
Current - Output / Channel	500 µA	500 µA
Voltage - Supply Span (Min)	10 V	10 V
Voltage - Supply Span (Max)	36 V	36 V
Operating Temperature	0°C to 70°C	0°C to 70°C
Package / Case	16-SOIC (0.154", 3.90 mm Width)	16-SOIC (0.154", 3.90 mm Width)
Mounting Type	Surface Mount	Surface Mount
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant

Engineering Selection Recommendations

The LM13700M/NOPB is the direct substitute for the obsolete LM13700M. Selection of the LM13700M/NOPB is supported by the following engineering factors:

Product Status: The LM13700M/NOPB maintains active product status with Texas Instruments, ensuring continued availability and manufacturing support. The original LM13700M is classified as obsolete, making the LM13700M/NOPB the appropriate replacement for new designs and ongoing production requirements.

Regulatory Compliance: The LM13700M/NOPB achieves ROHS3 compliance, whereas the original LM13700M is RoHS non-compliant. This compliance improvement aligns with current environmental and regulatory requirements for electronic component procurement.

Electrical and Mechanical Equivalence: All specified electrical parameters, including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current, and supply voltage range, are identical between the two variants. The 16-SOIC package specification, mounting type, and pin configuration are unchanged, ensuring direct compatibility in existing circuit designs.

Packaging: The LM13700M/NOPB is supplied in tube packaging, whereas the original LM13700M packaging specification is not defined. Both variants utilize the identical 16-SOIC surface mount package format.

Frequently Asked Questions (FAQ)

Q: Can the LM13700M/NOPB be used as a direct replacement for the LM13700M in existing designs?

A: Yes. The LM13700M/NOPB is electrically and mechanically equivalent to the LM13700M across all specified parameters. The pinout, package dimensions, and electrical performance characteristics are identical, enabling direct substitution without circuit modification.

Q: What is the difference between the LM13700M and LM13700M/NOPB?

A: The primary differences are product status and RoHS compliance. The LM13700M is obsolete and RoHS non-compliant, while the LM13700M/NOPB is an active product that meets ROHS3 compliance requirements. All electrical and mechanical specifications are identical.

Q: Are there any package or pinout differences between these variants?

A: No. Both the LM13700M and LM13700M/NOPB utilize the 16-SOIC surface mount package with identical pinout and functional assignment. The package dimensions are 0.154" (3.90 mm) width for both variants.

Q: What supply voltage range is supported by the LM13700M/NOPB?

A: The LM13700M/NOPB operates across a supply voltage range of 10 V to 36 V, identical to the original LM13700M specification.

Q: Is the LM13700M/NOPB suitable for applications requiring RoHS compliance?

A: Yes. The LM13700M/NOPB is ROHS3 compliant, making it suitable for applications and procurement requirements that mandate RoHS compliance. The original LM13700M is RoHS non-compliant.

Q: What is the operating temperature range for the LM13700M/NOPB?

A: The operating temperature range is 0°C to 70°C (TA), identical to the original LM13700M specification.

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