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Voltage to Frequency Converters

ADI has the widest range of voltage to frequency converters (VFCs) for the instrumentation, industrial and automation markets. They are ideally suited for use in analog-to-digital conversion (ADC), long term integration, linear frequency modulation and demodulation, and frequency-to-voltage conversion. ADI’s latest family of VFCs, the AD774x series, is based on sigma-delta technology and provides high linearity in tiny packages at low cost.

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Voltage to Frequency Converters
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Part#
Results: 8
Architecture# ChannelsInput Voltage Range (V)Full Scale Fout (kHz)Reference Voltage (V)Accuracy (%/kHz)Input Clk Frequency (MHz)Voltage Supply (V)Supply Current PackagePrice* (1000-4999)
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AD537Non-Synchronous1-Single Ended±1115010.25-+/- 5 to +/- 182.514-Lead CerDIP $9.65
AD650Non-Synchronous1-Single Ended+111000-0.1-+/- 9 to +/- 18814-Lead CerDIP, 14-Lead PDIP, 20-Lead PLCC $8.02
AD652Synchronous1-Single Ended±102500525+/- 6 to +/- 151520-Lead PLCC $9.92
AD654Non-Synchronous1-Single Ended±14500-0.4-+/- 5 to +/- 182.58-Lead PDIP, 8-Lead SOIC $3.76
AD7740Synchronous1-Single Ended+2.55002.5113 to 5.251.58-Lead MSOP, 8-Lead SOT-23 $0.91
AD7741Synchronous1-Single Ended+2.530722.526.1444.75 to 5.2588-Lead PDIP, 8-Lead SOIC $1.76
AD7742Synchronous2-Differential, 3-Pseudo Differential+3.530722.526.1444.75 to 5.25816-Lead PDIP, 16-Lead SOIC**
ADVFC32Non-Synchronous1-Single Ended+10500-0.2-+/- 9 to +/- 18814-Lead PDIP $6.14
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