component
ADS8505IDW
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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"title": "ADS8505IDW",
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"subcategory": "Analog To Digital Converters (ADC)",
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"digikey": "296-18678-5-ND",
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{
"number": "1",
"name": "VIN",
"type": "power_in",
"description": "Analog input; ±10-V input range with 11.5 kΩ impedance."
},
{
"number": "2",
"name": "AGND1",
"type": "power_in",
"description": "Analog ground; serves as internal ground reference point."
},
{
"number": "3",
"name": "REF",
"type": "passive",
"description": "Reference input/output for 2.5-V internal reference; requires 2.2-µF Tantalum capacitor to ground."
},
{
"number": "4",
"name": "CAP",
"type": "passive",
"description": "Reference buffer capacitor node; connect 2.2-µF Tantalum capacitor to ground."
},
{
"number": "5",
"name": "AGND2",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "6",
"name": "D15",
"type": "tri_state",
"description": "Data bit 15 (MSB) output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "7",
"name": "D14",
"type": "tri_state",
"description": "Data bit 14 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "8",
"name": "D13",
"type": "tri_state",
"description": "Data bit 13 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "9",
"name": "D12",
"type": "tri_state",
"description": "Data bit 12 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "10",
"name": "D11",
"type": "tri_state",
"description": "Data bit 11 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "11",
"name": "D10",
"type": "tri_state",
"description": "Data bit 10 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "12",
"name": "D9",
"type": "tri_state",
"description": "Data bit 9 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "13",
"name": "D8",
"type": "tri_state",
"description": "Data bit 8 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "14",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "15",
"name": "D7",
"type": "tri_state",
"description": "Data bit 7 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "16",
"name": "D6",
"type": "tri_state",
"description": "Data bit 6 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "17",
"name": "D5",
"type": "tri_state",
"description": "Data bit 5 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "18",
"name": "D4",
"type": "tri_state",
"description": "Data bit 4 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "19",
"name": "D3",
"type": "tri_state",
"description": "Data bit 3 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "20",
"name": "D2",
"type": "tri_state",
"description": "Data bit 2 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "21",
"name": "D1",
"type": "tri_state",
"description": "Data bit 1 output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "22",
"name": "D0",
"type": "tri_state",
"description": "Data bit 0 (LSB) output in 2's complement format; high-impedance state when CS high or R/C low."
},
{
"number": "23",
"name": "BYTE",
"type": "input",
"description": "Byte select input; selects 8 MSB (low) or 8 LSB (high) from 16-bit conversion result."
},
{
"number": "24",
"name": "R/C",
"type": "input",
"description": "Read/Convert input; falling edge with CS low initiates conversion, rising edge with CS low enables parallel output."
},
{
"number": "25",
"name": "CS",
"type": "input",
"description": "Chip select input internally ORed with R/C; falling edge with R/C low initiates new conversion."
},
{
"number": "26",
"name": "BUSY",
"type": "output",
"description": "Status output; goes low at conversion start and returns high when conversion complete and outputs updated."
},
{
"number": "27",
"name": "VANA",
"type": "power_in",
"description": "Analog supply input nominally +5 V; decouple with 0.1-µF ceramic and 10-µF tantalum capacitors to ground."
},
{
"number": "28",
"name": "VDIG",
"type": "power_in",
"description": "Digital supply input nominally +5 V; connect directly to pin 27 (VANA), must be ≤ VANA."
}
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"Package": "SOIC-28-300mil",
"Category": "Data Acquisition",
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