Description
The LM2907M-8 is a frequency-to-voltage converter IC from Texas Instruments, designed for RPM sensors, tachometers, and automotive applications. It converts frequency signals to proportional voltage outputs, suitable for analog systems. This device features a ground-referenced tachometer input that interfaces directly with variable reluctance magnetic pickups, making it easy to use in various speed measurement applications.
The LM2907M-8 offers high accuracy and stability, with ±0.3% linearity and frequency doubling for low ripple. Its built-in hysteresis provides a differential input or ground-referenced input option. The device is fully protected from damage due to swings above VCC and below ground, ensuring reliable operation.
In summary, the LM2907M-8 is a versatile IC that converts frequency signals to proportional voltage outputs, making it suitable for various speed measurement applications in industries such as automotive, industrial machinery, and more.
Features
According to the product information, the LM2907M-8 features include:
- Ground Referenced Tachometer Input interfaces directly with variable reluctance magnetic pickups
- Op Amp has floating transistor output
- 50-mA sink or source to operate relays, solenoids, meters, or LEDs
- Frequency doubling for low ripple
- Built-in hysteresis with either differential input or ground referenced input
- ±0.3% linearity (typical)
- Ground-referenced tachometer is fully protected from damage due to swings above VCC and below ground
- Output swings to ground for zero frequency input
- Easy-to-use formula: VOUT = FIN × VCC × R1 × C1
- Zener regulator on chip allows accurate and stable frequency-to-voltage or current conversion
Package
The package type of LM2907M-8 is an 8-SOIC (0.154", 3.90mm Width).
Manufacturer
The manufacturer of the LM2907M-8 is Texas Instruments (TI), a leading American technology company that designs, manufactures, and sells semiconductors and other electronic components. TI is a global leader in the development and manufacturing of analog and embedded processing technologies. The company was founded in 1930 and is headquartered in Dallas, Texas.
Applications
According to the product information, the LM2907M-8 frequency-to-voltage converter IC has applications in:
- RPM sensors
- Tachometers
- Automotive applications for speed measurement
- Industrial machinery for precise speed monitoring and performance optimization
Equivalent
Based on Texas Instruments' product information, similar frequency-to-voltage converter ICs to LM2907M-8 are:
- LM2917 (has Zener regulator for accurate frequency conversion)
- LM2904 (similar specifications but in a different package type)
- LM2905 (enhanced features and high accuracy)
These products share similar applications and characteristics, making them alternatives or substitutes for the LM2907M-8.
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