component
SD2017B
Public Made by Adomby adom
Hangzhou SDIC Microelectronics Interface - Specialized, LQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "SD2017B",
"brief": "Hangzhou SDIC Microelectronics Interface - Specialized, LQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"manufacturer": "Hangzhou SDIC Microelectronics",
"package": "LQFP-32(7x7)",
"pin_count": 32,
"category": "Interface ICs",
"subcategory": "Interface - Specialized",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7374fdffa40e87a42141716cacd292c1.pdf",
"parts": {
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"source": "Component Ocean /api/assign-pns",
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"status": "no match"
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"number": "1",
"name": "TEST5",
"type": "passive",
"description": "Must be connected to VSS."
},
{
"number": "2",
"name": "INRESET",
"type": "input",
"description": "Chip reset input, active low."
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{
"number": "3",
"name": "IAREF_ENb",
"type": "input",
"description": "Reference enable: low enables the internal 1.5V reference and buffer; high disables them and requires an external 2.5V buffered reference on the REF pin."
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{
"number": "4",
"name": "TEST8",
"type": "passive",
"description": "Must be connected to VSS."
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{
"number": "5",
"name": "TEST9",
"type": "passive",
"description": "Must be connected to VSS."
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{
"number": "6",
"name": "VSS",
"type": "power_in",
"description": "Digital ground, must be at the same voltage as VSSA."
},
{
"number": "7",
"name": "OTXA",
"type": "output",
"description": "HART FSK signal output, connected to the 4-20 mA current loop; drive amplitude 0.5V to 1.0V with 4.7nF to 68nF capacitive load range."
},
{
"number": "8",
"name": "IAREF",
"type": "output",
"description": "Internal 1.5V reference voltage output, to be decoupled with a 1µF capacitor to VSSA."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "Leave floating or connect to VSS."
},
{
"number": "10",
"name": "OCBIAS",
"type": "output",
"description": "Sets the bias current; bias resistor RBIAS connects between this pin and VSSA, recommended 330kΩ."
},
{
"number": "11",
"name": "TEST10",
"type": "passive",
"description": "Leave floating or connect to VSS."
},
{
"number": "12",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground, must be at the same voltage as VSS."
},
{
"number": "13",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply, must be at the same voltage as VDD; operating range 2.7V to 5.5V."
},
{
"number": "14",
"name": "IRXA",
"type": "input",
"description": "HART FSK signal input from the 4-20 mA current loop port, input range 0 to 1.5V."
},
{
"number": "15",
"name": "NC",
"type": "unconnected",
"description": "Leave floating or connect to VSS."
},
{
"number": "16",
"name": "NC",
"type": "unconnected",
"description": "Leave floating or connect to VSS."
},
{
"number": "17",
"name": "OXTL",
"type": "output",
"description": "Crystal oscillator output; external 3.6864MHz clock input when using CMOS clock."
},
{
"number": "18",
"name": "IXTL",
"type": "input",
"description": "Crystal oscillator input; tied to VSS when an external CMOS clock is used."
},
{
"number": "19",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground, must be at the same voltage as VSS."
},
{
"number": "20",
"name": "VSS",
"type": "power_in",
"description": "Digital ground, must be at the same voltage as VSSA."
},
{
"number": "21",
"name": "VDD",
"type": "power_in",
"description": "Digital supply, must be at the same voltage as VDDA."
},
{
"number": "22",
"name": "INRTS",
"type": "input",
"description": "Request to send input, active low: low selects transmit mode, high selects receive mode."
},
{
"number": "23",
"name": "ITXD",
"type": "input",
"description": "Transmit data input to the modulator, modulated and sent out via OTXA."
},
{
"number": "24",
"name": "TEST11",
"type": "passive",
"description": "Leave floating or connect to VSS."
},
{
"number": "25",
"name": "ORXD",
"type": "output",
"description": "Demodulated HART data output to the external UART interface."
},
{
"number": "26",
"name": "OCD",
"type": "output",
"description": "Carrier detect output, high when a valid carrier is present on IRXA."
},
{
"number": "27",
"name": "TEST12",
"type": "passive",
"description": "Leave floating or connect to VSS."
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{
"number": "28",
"name": "TEST1",
"type": "passive",
"description": "Leave floating or connect to VSS."
},
{
"number": "29",
"name": "TEST2",
"type": "passive",
"description": "Leave floating or connect to VSS."
},
{
"number": "30",
"name": "VDD",
"type": "power_in",
"description": "Digital supply, must be at the same voltage as VDDA."
},
{
"number": "31",
"name": "TEST3",
"type": "passive",
"description": "Leave floating or connect to VSS."
},
{
"number": "32",
"name": "TEST4",
"type": "passive",
"description": "Leave floating or connect to VSS."
}
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"cad": "KiCad official (CC-BY-SA 4.0)",
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{
"name": "VIAREF 初始精度",
"symbol": "VIAREF",
"kind": "electrical",
"unit": "V",
"min": 1.48,
"typ": 1.5,
"max": 1.52,
"conditions": "",
"source_page": 7,
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{
"name": "负载调整率",
"symbol": "",
"kind": "electrical",
"unit": "ppm/μA",
"min": null,
"typ": 1.5,
"max": null,
"conditions": "利用 500μA 负载测试",
"source_page": 7,
"source": "datasheet"
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{
"name": "电压调整率",
"symbol": "",
"kind": "electrical",
"unit": "μV/V",
"min": null,
"typ": 60,
"max": null,
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"source_page": 7,
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},
{
"name": "偏置电流",
"symbol": "IOCB",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 4.5,
"max": null,
"conditions": "",
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{
"name": "载波有效幅度",
"symbol": "",
"kind": "electrical",
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"min": 90,
"typ": 105,
"max": 115,
"conditions": "OCD位置",
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{
"name": "IRXA 输入范围",
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"min": 0,
"typ": null,
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{
"name": "OTXA 输出幅度",
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"min": null,
"typ": 500,
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{
"name": "逻辑“1”频率",
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"min": null,
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"name": "相位连续性误差",
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"unit": "度",
"min": null,
"typ": 0,
"max": null,
"conditions": "",
"source_page": 7,
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"name": "最大阻性负载",
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"kind": "electrical",
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"min": null,
"typ": null,
"max": 160,
"conditions": "负载如图 5 所示的 RLOAD",
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"kind": "timing",
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"min": 3.6496,
"typ": 3.6864,
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"name": "高电平电流",
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{
"name": "低电平电流",
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