component
AD7866ARUZ
Public Made by Adomby adom
Analog Devices Analog To Digital Converters (ADCs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"brief": "Analog Devices Analog To Digital Converters (ADCs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"name": "REF SELECT",
"type": "input",
"description": "Logic input selecting internal or external reference: tied to GND uses the on-chip 2.5 V reference for both ADCs, tied high allows an external reference through VREF."
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{
"number": "2",
"name": "DCAPB",
"type": "passive",
"description": "Decoupling capacitor connection for the ADC B reference buffer; the on-chip reference can be taken from it or a separate external reference applied depending on REF SELECT and VREF configuration."
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{
"number": "3",
"name": "AGND",
"type": "power_in",
"description": "Analog ground reference for all analog circuitry, to be connected to the system AGND plane and kept within 0.3 V of DGND."
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{
"number": "4",
"name": "VB2",
"type": "input",
"description": "Single-ended analog input channel 2 of ADC B, with 0 V to VREF or 2 x VREF range depending on the RANGE pin at the falling edge of CS."
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{
"number": "5",
"name": "VB1",
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"description": "Single-ended analog input channel 1 of ADC B, with 0 V to VREF or 2 x VREF range depending on the RANGE pin at the falling edge of CS."
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{
"number": "6",
"name": "VA2",
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"description": "Single-ended analog input channel 2 of ADC A, with 0 V to VREF or 2 x VREF range depending on the RANGE pin at the falling edge of CS."
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{
"number": "7",
"name": "VA1",
"type": "input",
"description": "Single-ended analog input channel 1 of ADC A, with 0 V to VREF or 2 x VREF range depending on the RANGE pin at the falling edge of CS."
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{
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"name": "AGND",
"type": "power_in",
"description": "Analog ground reference for all analog circuitry, to be connected to the system AGND plane and kept within 0.3 V of DGND."
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{
"number": "9",
"name": "DCAPA",
"type": "passive",
"description": "Decoupling capacitor connection for the ADC A reference buffer; the on-chip reference can be taken from it or a separate external reference applied depending on REF SELECT and VREF configuration."
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{
"number": "10",
"name": "VREF",
"type": "power_in",
"description": "Reference decoupling and external reference selection pin, connected to the internal 2.5 V nominal reference and requiring a decoupling capacitor."
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{
"number": "11",
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"description": "Logic input selecting analog input range and output coding, checked at the falling edge of CS: low gives 0 V to VREF with straight binary, high gives 2 x VREF with twos complement."
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"description": "Analog supply voltage, 2.7 V to 5.25 V, within 0.3 V of DVDD and decoupled to AGND."
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"description": "Digital supply voltage, 2.7 V to 5.25 V, within 0.3 V of AVDD and decoupled to DGND."
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"type": "power_in",
"description": "Digital ground reference for all digital circuitry, within 0.3 V of AGND."
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{
"number": "15",
"name": "DOUTA",
"type": "output",
"description": "Serial data output for ADC A, clocked out MSB first on the falling edge of SCLK with one leading zero, three status bits and 12 data bits."
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{
"number": "16",
"name": "DOUTB",
"type": "output",
"description": "Serial data output for ADC B, clocked out MSB first on the falling edge of SCLK with one leading zero, three status bits and 12 data bits."
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{
"number": "18",
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"description": "Serial clock logic input for accessing data and also the clock source for the conversion process."
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{
"name": "Analog Input DC Leakage Current",
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{
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{
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"conditions": "ISINK = 200 µA",
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{
"name": "Floating-State Leakage Current",
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{
"name": "Throughput Rate",
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"conditions": "See Serial Interface section",
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{
"name": "Supply Voltage",
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{
"name": "Interface Supply Voltage",
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"name": "IDD Normal Mode (Static)",
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"name": "IDD Normal Mode (Static)",
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"name": "IDD Operational",
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{
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