component
AD7740KRMZ-REEL7
Public Made by Adomby adom
Analog Devices Voltage-to-Frequency / Frequency-to-Voltage Converters, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "AD7740KRMZ-REEL7",
"manufacturer": "Analog Devices",
"package": "MSOP-8",
"pin_count": 8,
"category": "Data Converters",
"subcategory": "Voltage-to-Frequency / Frequency-to-Voltage Converters",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7740.pdf",
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"lcsc": "C84247",
"digikey": "505-AD7740KRMZ-REEL7TR-ND",
"mouser": "584-AD7740KRMZ-R7"
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"pins": [
{
"number": "1",
"name": "CLKOUT",
"type": "output",
"description": "The crystal/resonator is tied between this pin and CLKIN; with an external clock on CLKIN an inverted clock appears here and must be buffered before driving other circuitry."
},
{
"number": "2",
"name": "CLKIN",
"type": "input",
"description": "The master clock input accepts a crystal/resonator to CLKOUT or a CMOS-compatible clock, and the part enters power-down if CLKIN is inactive low for 1 ms (typ)."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground reference for all the circuitry on-chip."
},
{
"number": "4",
"name": "REFIN/OUT",
"type": "bidirectional",
"description": "Voltage reference pin that defines the VFC span; it uses the internal 2.5 V reference when left unconnected, and an external reference must sink/source 400 µA to overdrive it."
},
{
"number": "5",
"name": "VIN",
"type": "power_in",
"description": "Analog input with a nominal range of 0 V to VREF (±150 mV overrange) mapping to 10% to 90% of fCLKIN; in buffered mode the range is restricted to 0.1 V to VDD - 0.2 V."
},
{
"number": "6",
"name": "VDD",
"type": "power_in",
"description": "Power supply input operated at 3.3 V ± 10% or 5 V ± 5%, to be decoupled with a 10 µF and a 0.1 µF capacitor to GND."
},
{
"number": "7",
"name": "FOUT",
"type": "output",
"description": "Frequency output that goes from 10% to 90% of fCLKIN depending on VIN."
},
{
"number": "8",
"name": "BUF",
"type": "input",
"description": "Buffered mode select: tied low gives unbuffered VIN range -0.15 V to VDD + 0.15 V, tied high gives buffered VIN range 0.1 V to VDD - 0.2 V."
}
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"at": "2026-11-02T17:07:16"
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"pages": 12,
"sha256": "fe4577e151525739",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
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