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ADS1258IRTCT
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Texas Instruments Analog To Digital Converters (ADC), VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+85@@ -0,0 +1,85 @@+# ADS1258IRTCT++**Texas Instruments** · Analog To Digital Converters (ADC) · VQFN-48-EP(7x7)++ADS1258IRTCT from Texas Instruments, in a VQFN-48-EP(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | AIN3 | input | Analog input 3 for single-ended channel 3 or differential channel 1 (-). |+| 2 | AIN2 | input | Analog input 2 for single-ended channel 2 or differential channel 1 (+). |+| 3 | AIN1 | input | Analog input 1 for single-ended channel 1 or differential channel 0 (-). |+| 4 | AIN0 | input | Analog input 0 for single-ended channel 0 or differential channel 0 (+). |+| 5 | AVSS | power_in | Negative analog power supply: 0V for unipolar operation or -2.5V for bipolar operation; internally connected to exposed thermal pad. |+| 6 | AVDD | power_in | Positive analog power supply: +5V for unipolar operation or +2.5V for bipolar operation. |+| 7 | PLLCAP | passive | PLL bypass capacitor connection point; connect 22nF capacitor to AVSS when using crystal oscillator. |+| 8 | XTAL1 | passive | 32.768kHz crystal oscillator input terminal 1. |+| 9 | XTAL2 | passive | 32.768kHz crystal oscillator input terminal 2. |+| 10 | PWDN | input | Power-down input; hold low for minimum of two fCLK cycles to engage low-power mode. |+| 11 | RESET | input | Reset input; hold low for minimum of two fCLK cycles to reset the device. |+| 12 | CLKSEL | input | Clock source select input; low activates crystal oscillator with clock output on CLKIO, high disables oscillator and applies external fCLK to CLKIO. |+| 13 | CLKIO | bidirectional | System clock input/output; serves as output when CLKSEL is low (crystal oscillator mode) or input when CLKSEL is high (external clock mode). |+| 14 | GPIO0 | bidirectional | General-purpose digital input/output 0; programmable as input or output via register settings. |+| 15 | GPIO1 | bidirectional | General-purpose digital input/output 1; programmable as input or output via register settings. |+| 16 | GPIO2 | bidirectional | General-purpose digital input/output 2; programmable as input or output via register settings. |+| 17 | GPIO3 | bidirectional | General-purpose digital input/output 3; programmable as input or output via register settings. |+| 18 | GPIO4 | bidirectional | General-purpose digital input/output 4; programmable as input or output via register settings. |+| 19 | GPIO5 | bidirectional | General-purpose digital input/output 5; programmable as input or output via register settings. |+| 20 | GPIO6 | bidirectional | General-purpose digital input/output 6; programmable as input or output via register settings. |+| 21 | GPIO7 | bidirectional | General-purpose digital input/output 7; programmable as input or output via register settings. |+| 22 | SCLK | input | SPI clock input; data clocked in on rising edge and clocked out on falling edge. |+| 23 | DIN | input | SPI data input; serial data is input to the device via this pin. |+| 24 | DOUT | output | SPI data output; serial data is output from the device; tri-states high when CS is inactive. |+| 25 | DRDY | output | Data ready output; active low when new conversion data is available. |+| 26 | START | input | Start conversion input; active high to initiate analog-to-digital conversion. |+| 27 | CS | input | SPI chip select input; active low to enable SPI communication, can be tied low for continuous operation. |+| 28 | DVDD | power_in | Digital power supply; operates at 2.7V to 5.25V. |+| 29 | DGND | power_in | Digital ground connection. |+| 30 | VREFN | input | Reference input negative; recommend 10μF tantalum with 0.1μF ceramic capacitor across reference pins for rated performance. |+| 31 | VREFP | input | Reference input positive; recommend 10μF tantalum with 0.1μF ceramic capacitor across reference pins for rated performance. |+| 32 | AINCOM | input | Analog input common; common reference point connected to all single-ended analog inputs. |+| 33 | AIN15 | input | Analog input 15 for single-ended channel 15 or differential channel 7 (-). |+| 34 | AIN14 | input | Analog input 14 for single-ended channel 14 or differential channel 7 (+). |+| 35 | AIN13 | input | Analog input 13 for single-ended channel 13 or differential channel 6 (-). |+| 36 | AIN12 | input | Analog input 12 for single-ended channel 12 or differential channel 6 (+). |+| 37 | AIN11 | input | Analog input 11 for single-ended channel 11 or differential channel 5 (-). |+| 38 | AIN10 | input | Analog input 10 for single-ended channel 10 or differential channel 5 (+). |+| 39 | AIN9 | input | Analog input 9 for single-ended channel 9 or differential channel 4 (-). |+| 40 | AIN8 | input | Analog input 8 for single-ended channel 8 or differential channel 4 (+). |+| 41 | ADCINN | input | ADC differential input negative; part of external multiplexer output signal conditioning path. |+| 42 | ADCINP | input | ADC differential input positive; part of external multiplexer output signal conditioning path. |+| 43 | MUXOUTN | output | Multiplexer differential output negative; accessible for external signal conditioning prior to ADC input. |+| 44 | MUXOUTP | output | Multiplexer differential output positive; accessible for external signal conditioning prior to ADC input. |+| 45 | AIN7 | input | Analog input 7 for single-ended channel 7 or differential channel 3 (-). |+| 46 | AIN6 | input | Analog input 6 for single-ended channel 6 or differential channel 3 (+). |+| 47 | AIN5 | input | Analog input 5 for single-ended channel 5 or differential channel 2 (-). |+| 48 | AIN4 | input | Analog input 4 for single-ended channel 4 or differential channel 2 (+). |+| 49 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-48-EP(7x7) |+| Category | Data Acquisition |+| Pins | 49 |++## CAD (KiCad official)++- Symbol: `ADS1258IRTCT`+- Footprint: `Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm`+- 3D model: VQFN-48-EP(7x7) (KiCad packages3D, STEP)+- 3D model files: `ads1258irtct-etched.step` / `ads1258irtct-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads1258irtct.step` / `ads1258irtct.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/ads1258) (55 pp, sha256 `469eda615665f3b4`, retrieved 2026-10-03, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/ads1258irtct-datasheet.pdf)
page.jsonadded+405@@ -0,0 +1,405 @@+{+ "slug": "ads1258irtct",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Analog To Digital Converters (ADC), VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "ads1258irtct",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ads1258irtct.kicad_sym",+ "ads1258irtct.kicad_mod",+ "ads1258irtct.glb",+ "ads1258irtct.step",+ "ads1258irtct.lbr",+ "docs/hero.png",+ "docs/ads1258irtct-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ads1258irtct-hero.glb",+ "ads1258irtct-hero.overlay.json"+ ],+ "component": {+ "mpn": "ADS1258IRTCT",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-48-EP(7x7)",+ "pin_count": 49,+ "category": "Data Acquisition",+ "subcategory": "Analog To Digital Converters (ADC)",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ads1258",+ "parts": {+ "symbol": "ads1258irtct.kicad_sym",+ "footprint": "ads1258irtct.kicad_mod",+ "model_3d": "ads1258irtct-hero.glb",+ "model_3d_plain": "ads1258irtct.glb",+ "model_3d_step": "ads1258irtct-etched.step",+ "model_3d_step_plain": "ads1258irtct.step",+ "lbr": "ads1258irtct.lbr"+ },+ "distributor_links": {+ "lcsc": 2669850,+ "digikey": "296-18674-2-ND",+ "mouser": "595-ADS1258IRTCT"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T07:41:07Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-18674-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-ADS1258IRTCT",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "AIN3",+ "type": "input",+ "description": "Analog input 3 for single-ended channel 3 or differential channel 1 (-)."+ },+ {+ "number": "2",+ "name": "AIN2",+ "type": "input",+ "description": "Analog input 2 for single-ended channel 2 or differential channel 1 (+)."+ },+ {+ "number": "3",+ "name": "AIN1",+ "type": "input",+ "description": "Analog input 1 for single-ended channel 1 or differential channel 0 (-)."+ },+ {+ "number": "4",+ "name": "AIN0",+ "type": "input",+ "description": "Analog input 0 for single-ended channel 0 or differential channel 0 (+)."+ },+ {+ "number": "5",+ "name": "AVSS",+ "type": "power_in",+ "description": "Negative analog power supply: 0V for unipolar operation or -2.5V for bipolar operation; internally connected to exposed thermal pad."+ },+ {+ "number": "6",+ "name": "AVDD",+ "type": "power_in",+ "description": "Positive analog power supply: +5V for unipolar operation or +2.5V for bipolar operation."+ },+ {+ "number": "7",+ "name": "PLLCAP",+ "type": "passive",+ "description": "PLL bypass capacitor connection point; connect 22nF capacitor to AVSS when using crystal oscillator."+ },+ {+ "number": "8",+ "name": "XTAL1",+ "type": "passive",+ "description": "32.768kHz crystal oscillator input terminal 1."+ },+ {+ "number": "9",+ "name": "XTAL2",+ "type": "passive",+ "description": "32.768kHz crystal oscillator input terminal 2."+ },+ {+ "number": "10",+ "name": "PWDN",+ "type": "input",+ "description": "Power-down input; hold low for minimum of two fCLK cycles to engage low-power mode."+ },+ {+ "number": "11",+ "name": "RESET",+ "type": "input",+ "description": "Reset input; hold low for minimum of two fCLK cycles to reset the device."+ },+ {+ "number": "12",+ "name": "CLKSEL",+ "type": "input",+ "description": "Clock source select input; low activates crystal oscillator with clock output on CLKIO, high disables oscillator and applies external fCLK to CLKIO."+ },+ {+ "number": "13",+ "name": "CLKIO",+ "type": "bidirectional",+ "description": "System clock input/output; serves as output when CLKSEL is low (crystal oscillator mode) or input when CLKSEL is high (external clock mode)."+ },+ {+ "number": "14",+ "name": "GPIO0",+ "type": "bidirectional",+ "description": "General-purpose digital input/output 0; programmable as input or output via register settings."+ },+ {+ "number": "15",+ "name": "GPIO1",+ "type": "bidirectional",+ "description": "General-purpose digital input/output 1; programmable as input or output via register settings."+ },+ {+ "number": "16",+ "name": "GPIO2",+ "type": "bidirectional",+ "description": "General-purpose digital input/output 2; programmable as input or output via register settings."+ },+ {+ "number": "17",+ "name": "GPIO3",+ "type": "bidirectional",+ "description": "General-purpose digital input/output 3; programmable as input or output via register settings."+ },+ {+ "number": "18",+ "name": "GPIO4",+ "type": "bidirectional",+ "description": "General-purpose digital input/output 4; programmable as input or output via register settings."+ },+ {+ "number": "19",+ "name": "GPIO5",+ "type": "bidirectional",+ "description": "General-purpose digital input/output 5; programmable as input or output via register settings."+ },+ {+ "number": "20",+ "name": "GPIO6",+ "type": "bidirectional",+ "description": "General-purpose digital input/output 6; programmable as input or output via register settings."+ },+ {+ "number": "21",+ "name": "GPIO7",+ "type": "bidirectional",+ "description": "General-purpose digital input/output 7; programmable as input or output via register settings."+ },+ {+ "number": "22",+ "name": "SCLK",+ "type": "input",+ "description": "SPI clock input; data clocked in on rising edge and clocked out on falling edge."+ },+ {+ "number": "23",+ "name": "DIN",+ "type": "input",+ "description": "SPI data input; serial data is input to the device via this pin."+ },+ {+ "number": "24",+ "name": "DOUT",+ "type": "output",+ "description": "SPI data output; serial data is output from the device; tri-states high when CS is inactive."+ },+ {+ "number": "25",+ "name": "DRDY",+ "type": "output",+ "description": "Data ready output; active low when new conversion data is available."+ },+ {+ "number": "26",+ "name": "START",+ "type": "input",+ "description": "Start conversion input; active high to initiate analog-to-digital conversion."+ },+ {+ "number": "27",+ "name": "CS",+ "type": "input",+ "description": "SPI chip select input; active low to enable SPI communication, can be tied low for continuous operation."+ },+ {+ "number": "28",+ "name": "DVDD",+ "type": "power_in",+ "description": "Digital power supply; operates at 2.7V to 5.25V."+ },+ {+ "number": "29",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground connection."+ },+ {+ "number": "30",+ "name": "VREFN",+ "type": "input",+ "description": "Reference input negative; recommend 10μF tantalum with 0.1μF ceramic capacitor across reference pins for rated performance."+ },+ {+ "number": "31",+ "name": "VREFP",+ "type": "input",+ "description": "Reference input positive; recommend 10μF tantalum with 0.1μF ceramic capacitor across reference pins for rated performance."+ },+ {+ "number": "32",+ "name": "AINCOM",+ "type": "input",+ "description": "Analog input common; common reference point connected to all single-ended analog inputs."+ },+ {+ "number": "33",+ "name": "AIN15",+ "type": "input",+ "description": "Analog input 15 for single-ended channel 15 or differential channel 7 (-)."+ },+ {+ "number": "34",+ "name": "AIN14",+ "type": "input",+ "description": "Analog input 14 for single-ended channel 14 or differential channel 7 (+)."+ },+ {+ "number": "35",+ "name": "AIN13",+ "type": "input",+ "description": "Analog input 13 for single-ended channel 13 or differential channel 6 (-)."+ },+ {+ "number": "36",+ "name": "AIN12",+ "type": "input",+ "description": "Analog input 12 for single-ended channel 12 or differential channel 6 (+)."+ },+ {+ "number": "37",+ "name": "AIN11",+ "type": "input",+ "description": "Analog input 11 for single-ended channel 11 or differential channel 5 (-)."+ },+ {+ "number": "38",+ "name": "AIN10",+ "type": "input",+ "description": "Analog input 10 for single-ended channel 10 or differential channel 5 (+)."+ },+ {+ "number": "39",+ "name": "AIN9",+ "type": "input",+ "description": "Analog input 9 for single-ended channel 9 or differential channel 4 (-)."+ },+ {+ "number": "40",+ "name": "AIN8",+ "type": "input",+ "description": "Analog input 8 for single-ended channel 8 or differential channel 4 (+)."+ },+ {+ "number": "41",+ "name": "ADCINN",+ "type": "input",+ "description": "ADC differential input negative; part of external multiplexer output signal conditioning path."+ },+ {+ "number": "42",+ "name": "ADCINP",+ "type": "input",+ "description": "ADC differential input positive; part of external multiplexer output signal conditioning path."+ },+ {+ "number": "43",+ "name": "MUXOUTN",+ "type": "output",+ "description": "Multiplexer differential output negative; accessible for external signal conditioning prior to ADC input."+ },+ {+ "number": "44",+ "name": "MUXOUTP",+ "type": "output",+ "description": "Multiplexer differential output positive; accessible for external signal conditioning prior to ADC input."+ },+ {+ "number": "45",+ "name": "AIN7",+ "type": "input",+ "description": "Analog input 7 for single-ended channel 7 or differential channel 3 (-)."+ },+ {+ "number": "46",+ "name": "AIN6",+ "type": "input",+ "description": "Analog input 6 for single-ended channel 6 or differential channel 3 (+)."+ },+ {+ "number": "47",+ "name": "AIN5",+ "type": "input",+ "description": "Analog input 5 for single-ended channel 5 or differential channel 2 (-)."+ },+ {+ "number": "48",+ "name": "AIN4",+ "type": "input",+ "description": "Analog input 4 for single-ended channel 4 or differential channel 2 (+)."+ },+ {+ "number": "49",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 49 added from the footprint"+ ],+ "pages_sent": 15,+ "cost_usd": 0.1792,+ "at": "2026-10-03T07:40:40"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ads1258",+ "pages": 55,+ "sha256": "469eda615665f3b4",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 49,+ "described": 49,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}