X-On Electronics has gained recognition as a prominent supplier of AD7740KRM Voltage to Frequency & Frequency to Voltage across the USA, India, Europe, Australia, and various other global locations. AD7740KRM Voltage to Frequency & Frequency to Voltage are a product manufactured by Analog Devices. We provide cost-effective solutions for Voltage to Frequency & Frequency to Voltage, ensuring timely deliveries around the world.

AD7740KRM Analog Devices

AD7740KRM electronic component of Analog Devices
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Part No.AD7740KRM
Manufacturer: Analog Devices
Category: Voltage to Frequency & Frequency to Voltage
Description: VFC Sync 1MHz 8-Pin MSOP Tube
Datasheet: AD7740KRM Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
4: USD 17.8567 ea
Line Total: USD 71.43 
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MOQ: 4  Multiples: 1
Pack Size: 1
   
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We are delighted to provide the AD7740KRM from our Voltage to Frequency & Frequency to Voltage category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the AD7740KRM and other electronic components in the Voltage to Frequency & Frequency to Voltage category and beyond.

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3 V/5 V Low Power, Synchronous a Voltage-to-Frequency Converter AD7740* FEATURES FUNCTIONAL BLOCK DIAGRAM Synchronous Operation Full-Scale Frequency Set by External System Clock REFIN/OUT VDD 8-Lead SOT-23 and 8-Lead microSOIC Packages 3 V or 5 V Operation AD7740 2.5V Low Power: 3 mW (Typ) REFERENCE Nominal Input Range: 0 to V REF True 150 mV Capability Without Charge Pump V Range: 2.5 V to VDD REF VOLTAGE-TO- X1 VIN FREQUENCY Internal 2.5 V Reference FOUT MODULATOR 1 MHz Max Input Frequency Selectable High Impedance Buffered Input Minimal External Components Required CLOCK GENERATION APPLICATIONS Isolation of High Common-Mode Voltages Low-Cost Analog-to-Digital Conversion BUF CLKOUT CLKIN GND Battery Monitoring Automotive Sensing GENERAL DESCRIPTION PRODUCT HIGHLIGHTS The AD7740 is a low-cost, ultrasmall synchronous Voltage-to- 1. The AD7740 is a single channel, single-ended VFC. It is Frequency Converter (VFC). It works from a single 3.0 V to available in 8-lead SOT-23 and 8-lead microSOIC packages, 3.6 V or 4.75 V to 5.25 V supply consuming 0.9 mA. The AD7740 and is intended for low-cost applications. The AD7740 offers is available in an 8-lead SOT-23 and also in an 8-lead microSOIC considerable space saving over alternative solutions. package. Small package, low cost and ease of use were major 2. The AD7740 operates from a single 3.0 V to 3.6 V or 4.75 V design goals for this product. The part contains an on-chip 2.5 V to 5.25 V supply and consumes typically 0.9 mA when the bandgap reference but the user may overdrive this using an input is unbuffered. It also contains an automatic power-down external reference. This external reference range includes VDD. function. The full-scale output frequency is synchronous with the clock 3. The AD7740 does not require external resistors and capaci- signal on the CLKIN pin. This clock can be generated with the tors to set the output frequency. The maximum output addition of an external crystal (or resonator) or supplied from a frequency is set by a crystal or a clock. No trimming or cali- CMOS-compatible clock source. The part has a maximum bration is required. input frequency of 1 MHz. 4. The analog input can be taken to 150 mV below GND for For an analog input signal that goes from 0 V to V , the out- REF true bipolar operation. put frequency goes from 10% to 90% of f In buffered mode, CLKIN. the part provides a very high input impedance and accepts a 5. The specied voltage reference range on REFIN is from range of 0.1 V to VDD 0.2 V on the VIN pin. There is also 2.5 V to the supply voltage, VDD. an unbuffered mode of operation that allows VIN to go from 0.15 V to VDD + 0.15 V. The modes are interchangeable using the BUF pin. The AD7740 (Y Grade) is guaranteed over the automotive temperature range of 40C to +105C. The AD7740 (K Grade) is guaranteed from 0C to 85C. *Protected under U.S. Patent # 6,147,528. REV. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. use, nor for any infringements of patents or other rights of third parties Tel: 781/329-4700 World Wide Web Site: (VDD = 3.0 V to 3.6 V, 4.75 V to 5.25 V, GND = 0 V, REFIN = 2.5 V; CLKIN = 1 MHz; All AD7740 SPECIFICATIONS specifications T to T unless otherwise noted.) MIN MAX 1 K, Y Versions 2 Parameter Min Typ Max Unit Test Conditions/Comments DC PERFORMANCE Integral Nonlinearity 3 4 CLKIN = 32 kHz 0.012 % of Span Unbuffered Mode, External Clock at CLKIN CLKIN = 1 MHz 0.012 % of Span Unbuffered Mode, Crystal at CLKIN 3 CLKIN = 32 kHz 0.018 % of Span Buffered Mode, External Clock at CLKIN CLKIN = 1 MHz 0.018 % of Span Buffered Mode, Crystal at CLKIN Offset Error 7 35 mV Unbuffered Mode, VIN = 0 V 7 35 mV Buffered Mode, VIN = 0.1 V Gain Error 0.1 0.7 % of Span 3 Offset Error Drift 20 V/C 3 Gain Error Drift 4 ppm of Span/C 3 Power Supply Rejection Ratio 55 dB VDD = 5% (5 V) 65 dB VDD = 10% (3.3 V) ANALOG INPUT, VIN Nominal Input Span 0 V V 150 mV Overrange Available REF 0.1 VDD 0.2 V Buffered Mode Input Current 8 10 A Unbuffered Mode, VIN = 5.4 V, REFIN = 5.25 V 5 100 nA Buffered Mode, VIN = 0.1 V, REFIN = 2.5 V REFERENCE VOLTAGE 5 REFIN Nominal Input Voltage 2.5 VDD V REFOUT Output Voltage 2.3 2.5 2.7 V 3 Output Impedance 1k See Pin Function Description 3 Reference Drift 50 ppm/C 3 Line Rejection 75 dB VDD = 5% (5 V) 3 Line Rejection 60 dB VDD = 10% (3.3 V) 3 Reference Noise (0.1 Hz to 10 Hz) 100 V pp FOUT OUTPUT Nominal Frequency Span 0.1 f to 0.9 f Hz VIN = 0 V to V . See Figure 2 CLKIN CLKIN REF 3 LOGIC INPUTS (CLKIN, BUF) CLKIN Input Frequency 32 1000 kHz For Specied Performance Input High Voltage, V 3.5 V VDD = 5 V 5% IH 2.5 V VDD = 3.3 V 10% Input High Voltage, V IH Input Low Voltage, V 0.8 V VDD = 5 V 5% IL Input Low Voltage, V 0.4 V VDD = 3.3 V 10% IL Input Current 2 A VIN = 0 V to V DD Pin Capacitance 3 10 pF BUF 2.4 V VDD = 5 V 5% Input High Voltage, V IH Input High Voltage, V 2.1 V VDD = 3.3 V 10% IH Input Low Voltage, V 0.8 V VDD = 5 V 5% IL Input Low Voltage, V 0.4 V VDD = 3.3 V 10% IL Input Current 100 nA Pin Capacitance 3 10 pF 3 LOGIC OUTPUTS (FOUT, CLKOUT) 6 Output High Voltage, V 4.0 V Output Sourcing 200 A . VDD = 5 V 5% OH 6 Output High Voltage, V 2.1 V Output Sourcing 200 A . VDD = 3.3 V 10% OH 6 Output Low Voltage, V 0.1 0.4 V Output Sinking 1.6 mA OL POWER REQUIREMENTS 7 V 3.0 5.25 V DD 8 I (Normal Mode) 0.9 1.25 mA V = VDD, V = GND. Unbuffered Mode DD IH IL 8 I (Normal Mode) 1.1 1.5 mA V = VDD, V = GND. Buffered Mode DD IH IL I (Power-Down) 30 100 A DD 3 Power-Up Time 30 s Exiting Power-Down (Ext. Clock at CLKIN) NOTES 1 Temperature range: K Version, 0C to +85C; Y Version, 40C to +105C; typical specications are at 25C. 2 See Terminology. 3 Guaranteed by design and characterization, not production tested. 4 Span = Max output frequencyMin output frequency. 5 Because this pin is bidirectional, any external reference must be capable of sinking/sourcing 400 A in order to overdrive the internal reference. 6 These logic levels apply to CLKOUT only when it is loaded with one CMOS load. 7 Operation at VDD = 2.7 V is also possible with degraded specifications. 8 Outputs unloaded. I increases by C V f when FOUT is loaded. If using a crystal/resonator as the clock source, I will vary depending on the crystal/resonator DD L OUT FOUT DD type (see Clock Generation section). Specications subject to change without notice. 2 REV. A

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Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
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