component
AD7730BRZ-REEL7
Public Made by Adomby adom
Analog Devices Analog To Digital Converters (ADCs), SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"number": "2",
"name": "MCLK IN",
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"description": "Master clock input that accepts a crystal/resonator or CMOS-compatible external clock, with the AD7730 specified at 4.9152 MHz."
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{
"number": "3",
"name": "MCLK OUT",
"type": "output",
"description": "Crystal/resonator return output that provides an inverted clock when an external clock drives MCLK IN, and can drive one CMOS load; it can be turned off with the CLKDIS bit."
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{
"number": "4",
"name": "POL",
"type": "input",
"description": "Logic input that sets the serial clock polarity, low for an active high-to-low SCLK edge and high for an active low-to-high SCLK edge."
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{
"number": "5",
"name": "SYNC",
"type": "input",
"description": "Logic input that synchronizes the digital filters and analog modulators of multiple AD7730s, resetting the filter and calibration logic while held low."
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{
"number": "6",
"name": "RESET",
"type": "input",
"description": "Active low logic input that resets the control logic, interface, digital filter, modulator and all on-chip registers to power-on status, except the clock oscillator."
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{
"number": "7",
"name": "VBIAS",
"type": "passive",
"description": "Internally generated analog bias voltage that is not for external use, so nothing should be connected to this pin."
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{
"number": "8",
"name": "AGND",
"type": "power_in",
"description": "Ground reference point for the analog circuitry."
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{
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"description": "Analog positive supply with 5 V nominal AVDD to AGND differential."
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{
"number": "10",
"name": "AIN1(+)",
"type": "passive",
"description": "Positive input of the primary differential programmable-gain analog input pair, with ranges of 0 to +80 mV unipolar or ±80 mV bipolar."
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{
"number": "11",
"name": "AIN1(–)",
"type": "passive",
"description": "Negative input of the primary differential programmable-gain analog input pair."
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{
"number": "12",
"name": "AIN2(+)/D1",
"type": "passive",
"description": "Positive input of the secondary analog input pair or digital output bit D1, selected by the DEN bit of the Mode Register."
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{
"number": "13",
"name": "AIN2(–)/D0",
"type": "passive",
"description": "Negative input of the secondary analog input pair or digital output bit D0, selected by the DEN bit of the Mode Register."
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{
"number": "14",
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{
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{
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"description": "Digital output that controls reversal of the bridge excitation in ac-excited applications, held high when AC or CHP is 0."
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{
"number": "17",
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"description": "Digital output that is the complement of ACX, toggling in anti-phase with a nonoverlapping interval of one master clock cycle."
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{
"number": "18",
"name": "STANDBY",
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"description": "Logic input that, when taken low, shuts down the analog and digital circuitry and reduces current consumption to the 5 μA range while retaining register values."
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{
"number": "19",
"name": "CS",
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{
"number": "20",
"name": "RDY",
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"description": "Status logic output that goes low to indicate a new output word is available in conversion mode and goes low at completion of calibration."
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{
"number": "21",
"name": "DOUT",
"type": "output",
"description": "Serial data output from the output shift register containing calibration, mode, status, filter, DAC or data register contents selected by the Communications Register."
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{
"number": "22",
"name": "DIN",
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{
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"name": "DVDD",
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"description": "Digital supply voltage with +3 V or +5 V nominal."
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{
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