component
LTC1854CG#TRPBF
Public Made by Adomby adom
Analog Devices Analog To Digital Converters (ADC), SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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{
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"description": "Analog MUX input CH4 accepts a ±10V input range and is fault protected to ±30V."
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"description": "Analog MUX input CH5 accepts a ±10V input range and is fault protected to ±30V."
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{
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"name": "CH6",
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"description": "Analog MUX input CH6 accepts a ±10V input range and is fault protected to ±30V."
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{
"number": "9",
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"description": "Analog MUX input CH7 accepts a ±10V input range and is fault protected to ±30V."
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{
"number": "10",
"name": "MUXOUT+",
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"description": "Positive MUX output must be connected to ADC+ for normal operation."
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{
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"description": "Positive analog input to the analog-to-digital converter, connected to MUXOUT+ for normal operation."
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{
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"name": "ADC–",
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"description": "Negative analog input to the analog-to-digital converter, connected to MUXOUT- for normal operation."
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{
"number": "14",
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"description": "Analog ground."
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"description": "Reference buffer output with nominal output voltage of 4.096V, bypassed to analog ground with a 10µF tantalum and a 0.1µF ceramic capacitor."
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{
"number": "17",
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"description": "Analog ground."
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{
"number": "18",
"name": "AGND3",
"type": "power_in",
"description": "Analog ground; this pin is the substrate connection."
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{
"number": "19",
"name": "AVDD",
"type": "power_in",
"description": "5V analog supply, bypassed to analog ground with a 0.1µF ceramic and a 10µF tantalum capacitor."
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{
"number": "20",
"name": "DVDD",
"type": "power_in",
"description": "5V digital supply, bypassed to digital ground with a 0.1µF ceramic and a 10µF tantalum capacitor."
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{
"number": "21",
"name": "OVDD",
"type": "power_in",
"description": "Positive supply for the digital output buffers, specified from 3V to 5V and bypassed to digital ground with a 0.1µF ceramic and a 10µF tantalum capacitor."
},
{
"number": "22",
"name": "BUSY",
"type": "output",
"description": "Converter status output that is low while a conversion is in progress."
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{
"number": "23",
"name": "SDO",
"type": "output",
"description": "Serial data output, enabled by RD low."
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{
"number": "24",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
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{
"number": "25",
"name": "SDI",
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"description": "Serial data input, ignored when RD is high."
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{
"number": "26",
"name": "SCK",
"type": "input",
"description": "Serial data clock, ignored when RD is high."
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{
"number": "27",
"name": "RD",
"type": "input",
"description": "Active-low read input that enables the SDO output and the serial interface."
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{
"number": "28",
"name": "CONVST",
"type": "input",
"description": "Conversion start input; the ADC starts a conversion on the rising edge of CONVST."
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"name": "VREF Output Voltage",
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"min": 2.475,
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{
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{
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