component
ADS8507IBDWR
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADCs), SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"number": "1",
"name": "R1IN",
"type": "input",
"description": "Analog input; the input range is set by how R1IN is connected per Table 1 (for ±10 V it connects to VIN via 200 Ω, for 0 to 5 V it connects to AGND, and for 0 to 4 V it connects to VIN via 200 Ω... see note)."
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{
"number": "2",
"name": "AGND1",
"type": "power_in",
"description": "Analog sense ground used internally as the ground reference point, with minimal current flow."
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"number": "3",
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"description": "Analog input; the input range is set by how R2IN is connected per Table 1."
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{
"number": "4",
"name": "CAP",
"type": "passive",
"description": "Reference buffer output that requires a 2.2-µF tantalum capacitor to ground."
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{
"number": "5",
"name": "REF",
"type": "bidirectional",
"description": "Reference input/output that outputs the internal 2.5-V reference or can be driven by an external reference, and must be bypassed to ground with a 2.2-µF tantalum capacitor in both cases."
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{
"number": "6",
"name": "AGND2",
"type": "power_in",
"description": "Analog ground."
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{
"number": "7",
"name": "SB/BTC",
"type": "input",
"description": "Selects the output data format: high gives straight binary output and low gives binary 2's complement output."
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{
"number": "8",
"name": "EXT/INT",
"type": "input",
"description": "Selects the external or internal data clock: high synchronizes output data to the DATACLK input, and low makes a convert command start transmission of the previous conversion's data with 16 clock pulses on DATACLK."
},
{
"number": "9",
"name": "D7",
"type": "tri_state",
"description": "Parallel data bit 7 when BYTE is high or bit 15 (MSB) when BYTE is low; high impedance when CS is high and/or R/C is low, and leave unconnected when using serial output."
},
{
"number": "10",
"name": "D6",
"type": "tri_state",
"description": "Parallel data bit 6 when BYTE is high or bit 14 when BYTE is low; high impedance when CS is high and/or R/C is low."
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{
"number": "11",
"name": "D5",
"type": "tri_state",
"description": "Parallel data bit 5 when BYTE is high or bit 13 when BYTE is low; high impedance when CS is high and/or R/C is low."
},
{
"number": "12",
"name": "D4",
"type": "tri_state",
"description": "Parallel data bit 4 when BYTE is high or bit 12 when BYTE is low; high impedance when CS is high and/or R/C is low."
},
{
"number": "13",
"name": "D3",
"type": "tri_state",
"description": "Parallel data bit 3 when BYTE is high or bit 11 when BYTE is low; high impedance when CS is high and/or R/C is low."
},
{
"number": "14",
"name": "DGND",
"type": "power_in",
"description": "Digital ground."
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{
"number": "15",
"name": "D2",
"type": "tri_state",
"description": "Parallel data bit 2 when BYTE is high or bit 10 when BYTE is low; high impedance when CS is high and/or R/C is low."
},
{
"number": "16",
"name": "D1",
"type": "tri_state",
"description": "Parallel data bit 1 when BYTE is high or bit 9 when BYTE is low; high impedance when CS is high and/or R/C is low."
},
{
"number": "17",
"name": "D0",
"type": "tri_state",
"description": "Parallel data bit 0 (LSB) when BYTE is high or bit 8 when BYTE is low; high impedance when CS is high and/or R/C is low."
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{
"number": "18",
"name": "DATACLK",
"type": "bidirectional",
"description": "Input or output depending on the EXT/INT level; output data is synchronized to it, and in external-clock-off mode (EXT/INT low) it transmits 16 pulses after each conversion and stays low between conversions."
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"number": "19",
"name": "SDATA",
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"description": "Serial data output synchronized to DATACLK with format set by SB/BTC; after 16 bits in external clock mode it outputs the TAG input level while CS is low and R/C is high."
},
{
"number": "20",
"name": "TAG",
"type": "input",
"description": "Tag input for the external clock mode whose digital level is output on SDATA after the 16 data bits, with a delay that depends on the external clock mode."
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{
"number": "21",
"name": "BYTE",
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"description": "Selects the 8 most significant bits (low) or the 8 least significant bits (high) on the parallel output pins."
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"number": "22",
"name": "R/C",
"type": "input",
"description": "Read/convert input: with CS low, a falling edge puts the sample-and-hold into hold and starts a conversion, and when EXT/INT is low it also initiates transmission of the previous conversion's data."
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"number": "24",
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{
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"description": "Analog supply, nominally +5 V; decouple with 0.1-µF ceramic and 10-µF tantalum capacitors."
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{
"number": "28",
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