PMIC - V/F and F/V Converters

Category Introduction

Voltage-to-frequency conversion integrated circuits (ICs) monitor an input voltage and output a ratiometric frequency for applications such as automotive sensing, battery monitoring, analog-to-digital conversion, and signal isolation. Frequency-to-voltage conversion ICs output an analog voltage ratiometric to an input frequency for instrumentation and metering such as speed sensing, tachometers, cruise control, and touch switches.

Product List

76 Items

Mfr Part #	Quantity Available	UnitPrice	Series	Packaging	Product Status	Type	Frequency - Max	Full Scale	Linearity	Mounting Type	Package / Case	Supplier Device Package
LM2907MX/NOPB IC F/V CONV 10KHZ 14SOIC Texas Instruments	248	$2.21		Tape & Reel (TR)	Active	Frequency to Voltage	10 kHz	-	±0.3%	Surface Mount	14-SOIC (0.154", 3.90mm Width)	14-SOIC
AD7740KRMZ-REEL7 IC V/F CONV 1MHZ 8MSOP Analog Devices Inc.	247	$3.08		Tape & Reel (TR)	Active	Voltage to Frequency	1 MHz	±50ppm/°C	±0.012%	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
AD7740YRTZ-REEL7 IC V/F CONV 1MHZ SOT23-8 Analog Devices Inc.	113	$3.65		Tape & Reel (TR)	Active	Voltage to Frequency	1 MHz	±50ppm/°C	±0.012%	Surface Mount	SOT-23-8	SOT-23-8
LM2907M-8/NOPB IC F/V CONV 10KHZ 8SOIC Texas Instruments	238	$2.62		Tube	Active	Frequency to Voltage	10 kHz	-	±0.3%	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
LM231N/NOPB IC V/F CONV 100KHZ 8DIP Texas Instruments	80	$6.50		Tube	Active	Voltage to Frequency	100 kHz	±150ppm/°C	±0.01%	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
AD654JRZ-REEL IC V/F CONV 500KHZ 8SOIC Analog Devices Inc.	37	$14.50		Tape & Reel (TR)	Active	Voltage to Frequency	500 kHz	±50ppm/°C	±0.2%	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AD654JRZ-REEL7 IC V/F CONV 500KHZ 8SOIC Analog Devices Inc.	28	$14.78		Tape & Reel (TR)	Active	Voltage to Frequency	500 kHz	±50ppm/°C	±0.2%	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
LM231AN/NOPB IC V/F CONV 100KHZ 8DIP Texas Instruments	3	$10.93		Tube	Active	Voltage to Frequency	100 kHz	±50ppm/°C	±0.01%	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
VFC32KP IC F/V & V/F CONV 100KHZ 14DIP Texas Instruments	52	$16.14		Tube	Active	Volt to Frequency and Frequency to Volt	100 kHz	±75ppm/°C	±0.05%	Through Hole	14-DIP (0.300", 7.62mm)	14-PDIP
VFC32KU IC F/V & V/F CONV 100KHZ 14SOIC Texas Instruments	27	$16.50		Tube	Active	Volt to Frequency and Frequency to Volt	100 kHz	±75ppm/°C	±0.05%	Surface Mount	14-SOIC (0.154", 3.90mm Width)	14-SOIC
AD652JPZ-REEL7 IC V/F CONV 2MHZ 20PLCC Analog Devices Inc.	27	$37.54		Tape & Reel (TR)	Active	Voltage to Frequency	2 MHz	±25ppm/°C	±0.02%	Surface Mount	20-LCC (J-Lead)	20-PLCC (9x9)
LM2917MX-8/NOPB IC F/V CONV 10KHZ 8SOIC Texas Instruments	45	$2.00		Tape & Reel (TR)	Active	Frequency to Voltage	10 kHz	-	±0.3%	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AD7740KRMZ IC V/F CONV 1MHZ 8MSOP Analog Devices Inc.	161	$3.05		Tube	Active	Voltage to Frequency	1 MHz	±50ppm/°C	±0.012%	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
AD650AD IC F/V & V/F CONV 1MHZ 14CDIP Analog Devices Inc.	15	$54.22		Bulk	Active	Volt to Frequency and Frequency to Volt	1 MHz	±150ppm/°C	±0.1%	Through Hole	14-CDIP (0.300", 7.62mm)	14-CDIP
AD7750AN SINGLE PHASE METERING IC Analog Devices Inc.	31	$3.46	AD7750	Bulk	Active	Voltage to Frequency	-	-	-	Through Hole	20-DIP (0.300", 7.62mm)	20-DIP
AD7740YRMZ IC V/F CONV 1MHZ 8MSOP Analog Devices Inc.	140	$3.71		Tube	Active	Voltage to Frequency	1 MHz	±50ppm/°C	±0.012%	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
LM231AN VOLTAGE TO FREQUENCY CONVERTER, National Semiconductor	18	$4.66		Bulk	Active	Voltage to Frequency	100 kHz	±50ppm/°C	±0.01%	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
AD537KD/+ VOLTAGE-TO-FREQUENCY CONVERTER Analog Devices Inc.	15	$40.63		Bulk	Active	Voltage to Frequency	150 kHz	-	±0.05%	Through Hole	14-CDIP (0.300", 7.62mm)	14-CDIP
AD7740YRMZ-REEL7 IC V/F CONV 1MHZ 8MSOP Analog Devices Inc.	200	$3.79		Tape & Reel (TR)	Active	Voltage to Frequency	1 MHz	±50ppm/°C	±0.012%	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
AD654JRZ IC V/F CONV 500KHZ 8SOIC Analog Devices Inc.	28	$14.76		Tube	Active	Voltage to Frequency	500 kHz	±50ppm/°C	±0.2%	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC

About PMIC V/F and F/V Converters

What are PMIC V/F and F/V Converters?

PMIC V/F and F/V Converters

PMIC V/F (Voltage-to-Frequency) and F/V (Frequency-to-Voltage) converters are specialized integrated circuits within the Power Management ICs (PMICs) category. These converters play a crucial role in transforming voltage signals into frequency signals and vice versa. The V/F converters take an analog voltage input and convert it into a proportional frequency output, while F/V converters do the opposite, converting frequency inputs into corresponding voltage outputs. This conversion process is essential for applications requiring precise signal processing, control systems, and data acquisition, where the conversion between voltage and frequency is necessary for effective communication and control.

Types of PMIC V/F and F/V Converters

1. Analog V/F Converters

Analog V/F converters are designed to handle continuous voltage inputs and produce a frequency output that is directly proportional to the input voltage. These converters are typically used in applications where real-time signal processing is required, such as in analog signal conditioning and sensor interfacing.

2. Digital V/F Converters

Digital V/F converters accept digital input signals and convert them into frequency outputs. They are often used in digital systems where the integration of digital signals into frequency-based communication protocols is necessary. These converters are characterized by their high precision and ability to handle complex digital inputs.

3. Analog F/V Converters

Analog F/V converters are used to convert frequency inputs into proportional voltage outputs. These converters are essential in applications like frequency measurement and control systems, where the frequency of a signal needs to be accurately translated into a voltage level for further processing or display.

4. Digital F/V Converters

Digital F/V converters convert digital frequency inputs into corresponding voltage outputs. These converters are crucial in digital systems that require frequency data to be represented as voltage levels for interfacing with other analog components or systems.

How to choose PMIC V/F and F/V Converters?

When selecting PMIC V/F and F/V converters, several key parameters should be considered:

Input and Output Range: Ensure the converter can handle the required input voltage or frequency range and produce the desired output range.
Accuracy and Precision: Evaluate the converter's accuracy and precision specifications to ensure it meets the application's requirements.
Linearity: Check the linearity of the conversion process to ensure consistent performance across the input range.
Temperature Stability: Consider the converter's performance over the expected temperature range of the application.
Supplier Reputation: Assess the reliability and quality of different suppliers by reviewing customer feedback and industry reputation.
Environmental Factors: Consider environmental factors such as humidity, vibration, and electromagnetic interference that may affect the converter's performance.
Installation Requirements: Evaluate the physical size, mounting options, and power supply requirements for seamless integration into the existing system.

Applications of PMIC V/F and F/V Converters

1. Industrial Automation

In industrial automation, PMIC V/F and F/V converters are used for precise control of machinery and processes. They facilitate the conversion of sensor data into usable signals for monitoring and control systems, ensuring efficient and accurate operation of automated equipment.

2. Telecommunications

In telecommunications, these converters are employed in signal processing and modulation tasks. They enable the conversion of voltage signals into frequency signals for transmission over communication networks, enhancing signal integrity and reducing noise.

3. Automotive Industry

In the automotive industry, V/F and F/V converters are used in engine control units and sensor systems. They help in converting sensor outputs into signals that can be processed by the vehicle's electronic control systems, improving performance and safety.

4. Consumer Electronics

In consumer electronics, these converters are integral in devices requiring precise signal conversion, such as audio equipment and digital cameras. They ensure accurate signal processing for high-quality audio and image capture.

5. Medical Devices

In the medical field, PMIC V/F and F/V converters are used in diagnostic equipment and monitoring systems. They convert physiological signals into formats that can be analyzed and displayed, aiding in accurate diagnosis and patient monitoring.