AD654JR
Voltage to Frequency Converter
Inventory:9,387
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Part Number : AD654JR
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Package/Case : SOIC-8
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Manufacturer : Analog Devices
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Components Classification : V/F and F/V Converters
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Datesheet : AD654JR DataSheet (PDF)
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Series : AD654
Overview of AD654JR
The AD654JR is a voltage-to-frequency converter optimized for high-speed and low-voltage operations. It provides excellent performance for analog and digital signal switching applications.
Pinout
The AD654JR pinout refers to the configuration and function of each pin in its SOIC-8 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the AD654JR has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- Complete voltage-to-frequency converter: The AD654JR is a highly linear frequency vs input voltage converter that provides a wide gain range of 1 to 10000.
- Highly linear frequency vs input voltage: The device offers excellent linearity and stability, making it suitable for applications where precise frequency control is required.
- Frequency adjustable to 500kHz: The AD654JR allows the user to adjust the output frequency up to 500 kHz, providing flexibility in various applications.
- Low power consumption: 1.0mW at 5V supply: The device operates from a single 5V supply voltage and consumes low power, making it suitable for battery-powered or portable devices.
- Operates from single 5V supply voltage: The AD654JR can operate from a single 5V supply voltage, eliminating the need for multiple power supplies or complex voltage regulation circuits.
Applications
- Frequency to voltage converters: The AD654JR is suitable for applications where a frequency-to-voltage converter is required, such as in precision timing and synchronization circuits.
- Phase-locked loop circuits: The device can be used in phase-locked loop (PLL) circuits to provide precise frequency control and synchronization.
- Precision voltage-controlled oscillators: The AD654JR is suitable for applications where a precision voltage-controlled oscillator is required, such as in clock generation and timing circuits.
- Sensor signal conditioning: The device can be used to condition sensor signals and provide precise frequency control for various sensing applications.
- Frequency synthesis: The AD654JR can be used in frequency synthesizer circuits to generate precise frequencies for various applications, such as telecommunications and radar systems.
- Waveform generators: The device is suitable for applications where a waveform generator is required, such as in test and measurement equipment and simulation circuits.
- Pulse-width modulation: The AD654JR can be used to generate precise pulse-width modulated signals for various applications, such as motor control and power conversion systems.
- Automotive sensors: The device is suitable for automotive sensor applications where precision frequency control is required, such as in airbag deployment and anti-lock braking systems (ABS).
- Medical instrumentation: The AD654JR can be used in medical instrumentation applications where precise frequency control is required, such as in ECG and ultrasound equipment.
Advantages and Disadvantages
The AD654JR offers several advantages, including its high linearity, stability, and precision. However, it also has some disadvantages, such as its limited frequency range and sensitivity to temperature changes.
Equivalents
The AD654JR has several equivalents in the market, including the LM2917, LM2920, and LM2931. These devices offer similar functionality and performance characteristics as the AD654JR but may have some differences in terms of their specifications and applications.
Frequently Asked Questions
Q: What is the frequency range of the AD654JR?
A: The AD654JR has a frequency range of up to 500 kHz.
Q: How does the AD654JR operate from a single 5V supply voltage?
A: The device operates from a single 5V supply voltage and consumes low power, making it suitable for battery-powered or portable devices.
Q: What are some common applications of the AD654JR?
A: Some common applications of the AD654JR include frequency to voltage converters, phase-locked loop circuits, precision voltage-controlled oscillators, sensor signal conditioning, frequency synthesis, waveform generators, pulse-width modulation, automotive sensors, and medical instrumentation.
Q: What are some advantages of the AD654JR?
A: Some advantages of the AD654JR include its high linearity, stability, and precision, as well as its low power consumption and ability to operate from a single 5V supply voltage.
Q: What are some disadvantages of the AD654JR?
A: Some disadvantages of the AD654JR include its limited frequency range and sensitivity to temperature changes.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | Voltage to Frequency & Frequency to Voltage | RoHS | N |
Series | AD654 | Product | Voltage to Frequency Converters |
Full Scale Frequency | 500 kHz | INL - Integral Nonlinearity | 0.03 % FSR |
Supply Voltage - Max | 36 V | Supply Voltage - Min | 5 V |
Supply Type | Dual | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 85 C | Mounting Style | SMD/SMT |
Package / Case | SOIC-8 | Brand | Analog Devices |
Dual Supply Voltage | +/- 5 V to +/- 18 V | Maximum Dual Supply Voltage | +/- 18 V |
Minimum Dual Supply Voltage | +/- 5 V | Product Type | Voltage to Frequency & Frequency to Voltage |
Factory Pack Quantity | 98 | Subcategory | Data Converter ICs |
Unit Weight | 0.019048 oz |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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AD654JR
Voltage to Frequency Converter
Inventory:
9,387
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




