component
ADS7254IRTER
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"digikey": "296-39861-2-ND",
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"name": "REFIO_A",
"type": "bidirectional",
"description": "Reference voltage input/output for channel A, which the datasheet describes as a buffered 2.5 V internal reference that can be programmed through REFDAC_A."
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{
"number": "2",
"name": "REFGND_A",
"type": "power_in",
"description": "Reference ground potential for channel A; REFGND_x must stay within 0.3 V of GND."
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{
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"description": "Reference voltage input/output for channel B, which the datasheet describes as a buffered 2.5 V internal reference that can be programmed through REFDAC_B."
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{
"number": "5",
"name": "AINM_B",
"type": "input",
"description": "Negative analog input for channel B; analog inputs are limited to REFGND_x - 0.3 V to AVDD + 0.3 V."
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{
"number": "6",
"name": "AINP_B",
"type": "input",
"description": "Positive analog input for channel B; analog inputs are limited to REFGND_x - 0.3 V to AVDD + 0.3 V."
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{
"number": "7",
"name": "DVDD",
"type": "power_in",
"description": "Digital I/O supply, 3.3 V nominal per the recommended operating conditions; AVDD to REFGND_x or DVDD to GND is rated -0.3 V to 6 V."
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{
"number": "8",
"name": "SDI",
"type": "input",
"description": "Data input for the serial interface; digital inputs are limited to GND - 0.3 V to DVDD + 0.3 V."
},
{
"number": "9",
"name": "CS",
"type": "input",
"description": "Active-low chip-select for the serial interface; a CS falling edge brings the serial data bus out of 3-state."
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{
"number": "10",
"name": "SCLK",
"type": "input",
"description": "Serial communication clock input that drives conversions and data transfer in the selected interface mode."
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{
"number": "11",
"name": "SDO_A",
"type": "output",
"description": "Serial data output for channel A (and channel B in single-SDO mode); the pin is 3-stated when CS is high."
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{
"number": "12",
"name": "SDO_B",
"type": "output",
"description": "Serial data output for channel B; the pin is 3-stated when CS is high and outputs 0s in the 32-CLK dual-SDO readback frame."
},
{
"number": "13",
"name": "GND",
"type": "power_in",
"description": "Digital ground for the device."
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{
"number": "14",
"name": "AVDD",
"type": "power_in",
"description": "Analog supply for ADC operation, 5 V nominal per the recommended operating conditions; AVDD to REFGND_x is rated -0.3 V to 6 V."
},
{
"number": "15",
"name": "AINP_A",
"type": "input",
"description": "Positive analog input for channel A; analog inputs are limited to REFGND_x - 0.3 V to AVDD + 0.3 V."
},
{
"number": "16",
"name": "AINM_A",
"type": "input",
"description": "Negative analog input for channel A; analog inputs are limited to REFGND_x - 0.3 V to AVDD + 0.3 V."
},
{
"number": "17",
"name": "Thermal Pad",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
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"exposed pad 17 added from the footprint"
],
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"at": "2026-10-08T01:15:05"
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"Package": "WQFN-16-EP(3x3)",
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