component
AI12
Public Made by Adomby adom
Sam wing Touch Sensors, SSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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"description": "Capacitive touch-key sensing input for key 1, which has the highest priority in the BCD output; unused keys are left floating."
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{
"number": "2",
"name": "KEY2",
"type": "input",
"description": "Capacitive touch-key sensing input for key 2; unused keys are left floating."
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{
"number": "3",
"name": "KEY3",
"type": "input",
"description": "Capacitive touch-key sensing input for key 3; unused keys are left floating."
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{
"number": "4",
"name": "KEY4",
"type": "input",
"description": "Capacitive touch-key sensing input for key 4; unused keys are left floating."
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{
"number": "5",
"name": "KEY5",
"type": "input",
"description": "Capacitive touch-key sensing input for key 5; unused keys are left floating."
},
{
"number": "6",
"name": "KEY6",
"type": "input",
"description": "Capacitive touch-key sensing input for key 6; unused keys are left floating."
},
{
"number": "7",
"name": "KEY7",
"type": "input",
"description": "Capacitive touch-key sensing input for key 7; unused keys are left floating."
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{
"number": "8",
"name": "KEY8",
"type": "input",
"description": "Capacitive touch-key sensing input for key 8; unused keys are left floating."
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{
"number": "9",
"name": "KEY9",
"type": "input",
"description": "Capacitive touch-key sensing input for key 9; unused keys are left floating."
},
{
"number": "10",
"name": "KEY10",
"type": "input",
"description": "Capacitive touch-key sensing input for key 10; unused keys are left floating."
},
{
"number": "11",
"name": "KEY11",
"type": "input",
"description": "Capacitive touch-key sensing input for key 11; unused keys are left floating."
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{
"number": "12",
"name": "KEY12",
"type": "input",
"description": "Capacitive touch-key sensing input for key 12, which has the lowest priority; unused keys are left floating."
},
{
"number": "13",
"name": "BCD3",
"type": "output",
"description": "BCD output bit 3 of the detected key code; it is high (1) when no key is pressed."
},
{
"number": "14",
"name": "BCD2",
"type": "output",
"description": "BCD output bit 2 of the detected key code; it is high (1) when no key is pressed."
},
{
"number": "15",
"name": "BCD1",
"type": "output",
"description": "BCD output bit 1 of the detected key code; it is high (1) when no key is pressed."
},
{
"number": "16",
"name": "BCD0",
"type": "output",
"description": "BCD output bit 0 of the detected key code; it is high (1) when no key is pressed."
},
{
"number": "17",
"name": "S1",
"type": "passive",
"description": "Sensor connection S1, which is shorted directly to S2 on the package."
},
{
"number": "18",
"name": "S2",
"type": "passive",
"description": "Sensor connection S2, which is shorted directly to S1 on the package."
},
{
"number": "19",
"name": "VDD",
"type": "power_in",
"description": "Positive supply pin; the datasheet specifies an operating voltage of 2.5 to 5.5 V and an absolute maximum of -0.3 to 6.0 V."
},
{
"number": "20",
"name": "NC",
"type": "unconnected",
"description": "Internal test pin; leave it floating."
},
{
"number": "21",
"name": "GND",
"type": "power_in",
"description": "Power ground pin."
},
{
"number": "22",
"name": "C1",
"type": "passive",
"description": "Reference capacitor connection; the datasheet recommends a 4.7 nF NPO or COG capacitor placed close to the IC."
},
{
"number": "23",
"name": "CG",
"type": "passive",
"description": "Common control pin shared by the sensitivity capacitor and the reference capacitor."
},
{
"number": "24",
"name": "CSEL",
"type": "passive",
"description": "Sensitivity setting capacitor connection; the maximum value is 100 pF, and it may be left floating (0 pF)."
}
],
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"metadata": {
"specs": {
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"Package": "SSOP-24",
"Category": "Sensors",
"Pins": "24"
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{
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