Texas Instruments LM2907N/NOPB

Mfr. Part

LM2907N/NOPB

Manufacturer

Luminary Micro Texas Instruments

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Detailed Description

LM2907N/NOPB is a frequency-to-voltage (F/V) converter IC in a 14-PDIP through-hole package. It converts an input frequency into a proportional DC voltage with high linearity and stable performance up to 10 kHz. It is RoHS3 compliant and shipped in tube packaging. Ideal for tachometers, speed and flow sensing, and any system that needs a clean voltage output from a frequency signal.

Key Features

Frequency-to-voltage conversion up to 10 kHz

High linearity ±0.3% for accurate scaling

Through-hole 14-PDIP package for easy prototyping and repair

RoHS3 compliant, NOPB (lead-free)

Simple external RC components set gain and scaling

Wide applicability in automotive, industrial, and instrumentation

Supplier device package 14-PDIP, body width 0.300 inch (7.62 mm)

Base product number LM2907 for family compatibility

Key Advantages

Direct, clean voltage output from frequency inputs reduces system complexity

Stable, repeatable performance with minimal external components

Robust through-hole design enhances mechanical reliability and field serviceability

Excellent choice for tachometer and sensor interfaces where precision and simplicity matter

Broad ecosystem and long-standing TI support for the LM2907 family

Packaging

Type: 14-PDIP through-hole IC

Material: Molded epoxy plastic body, tin-plated copper alloy leads (lead-free, NOPB)

Size: DIP-14, body width 0.300 inch (7.62 mm), 2.54 mm lead pitch, dual-row 7.62 mm spacing

Pin configuration: Standard 14-pin DIP numbering in two parallel rows (refer to datasheet for pin functions)

Thermal characteristics: Conventional DIP package with heat dissipation through leads; use adequate airflow and copper area. For precise thermal resistance (ThetaJA/ThetaJC), see datasheet.

Electrical properties summary: Frequency-to-voltage type, max input frequency 10 kHz, linearity ±0.3%. Supply, output range, and ripple characteristics depend on external RC and operating conditions; see datasheet for exact limits.

Shipping: Tube packaging for safe handling and storage

Lifecycle

Status: Active and widely used; not nearing discontinuation based on current market availability

Family alternatives from TI:

- LM2917N/NOPB (similar F/V converter with integrated amplifier stage)

- LM2907M/NOPB (SOIC-14 surface-mount version for compact PCBs)

- LM2917M/NOPB (SOIC-14, related device with internal amplifier)

If you need drop-in equivalents, pin-for-pin options, or second-source parts, contact our sales team via the Y-IC website for verified cross-references and the latest lifecycle updates

Key Application Areas

Automotive tachometers and RPM measurement from distributor, crank, or ignition signals

Motor speed control and monitoring (industrial drives, HVAC blowers, pumps, conveyors)

Flow metering and turbine sensor interfaces where pulse frequency maps to flow rate

Wheel speed sensing, proximity sensors, and gear-tooth pickups

Instrumentation systems that convert sensor pulse trains into an analog control voltage

Vibration and rotation sensing for predictive maintenance

General signal conditioning where frequency needs to be read as voltage

Datasheet

Y-IC provides the most authoritative datasheet for LM2907N/NOPB on our product page. We recommend downloading it here to get full specifications, pin functions, application notes, and design guidance.

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