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ADS41B49IRGZR
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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 @@+# ADS41B49IRGZR++**Texas Instruments** · Analog To Digital Converters (ADC) · VQFN-48-EP(7x7)++ADS41B49IRGZR 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 | DRGND | power_in | Digital and output buffer ground. |+| 2 | DRVDD | power_in | 1.8-V digital and output buffer supply; absolute maximum range is -0.3 V to 2.1 V. |+| 3 | OVR_SDOUT | output | Out-of-range indicator after reset (READOUT = 0) and serial register readout pin when READOUT = 1; a 1.8-V CMOS output running off DRVDD. |+| 4 | CLKOUTM | output | Differential output clock, complement. |+| 5 | CLKOUTP | output | Differential output clock, true. |+| 6 | DFS | input | Data format select input that sets the data format (two's complement or offset binary) and the LVDS or CMOS output interface type. |+| 7 | OE | input | Output buffer enable input, active high; has an internal 100-kΩ pull-up resistor to DRVDD. |+| 8 | AVDD | power_in | 1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V. |+| 9 | AGND | power_in | Analog ground. |+| 10 | CLKP | input | Differential clock input, positive. |+| 11 | CLKM | input | Differential clock input, negative. |+| 12 | AGND | power_in | Analog ground. |+| 13 | VCM | output | Outputs the common-mode voltage that can be used externally to bias the analog input pins. |+| 14 | AGND | power_in | Analog ground. |+| 15 | INP | input | Differential analog input, positive; absolute input voltage range is -0.3 V to the minimum of 1.9 V or AVDD + 0.3 V. |+| 16 | INM | input | Differential analog input, negative; absolute input voltage range is -0.3 V to the minimum of 1.9 V or AVDD + 0.3 V. |+| 17 | AGND | power_in | Analog ground. |+| 18 | AVDD | power_in | 1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V. |+| 19 | AGND | power_in | Analog ground. |+| 20 | AVDD | power_in | 1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V. |+| 21 | AVDD_BUF | power_in | 3.3-V input buffer supply; absolute maximum range is -0.3 V to 3.9 V. |+| 22 | AVDD | power_in | 1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V. |+| 23 | RESERVED | input | Digital control pin reserved for future use. |+| 24 | AVDD | power_in | 1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V. |+| 25 | AGND | power_in | Analog ground. |+| 26 | AVDD | power_in | 1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V. |+| 27 | SEN | input | Serial interface enable input when RESET is low; when RESET is high it has no function and must be tied to AVDD (internal 180-kΩ pull-up to AVDD). |+| 28 | SDATA | input | Serial interface data input when RESET is low; when RESET is high it functions as the STANDBY control pin (internal 180-kΩ pull-down). |+| 29 | SCLK | input | Serial interface clock input when RESET is low; when RESET is high it must be tied to ground (internal 180-kΩ pull-down). |+| 30 | RESET | input | Serial interface reset input; a high pulse wider than 10 ns initializes the registers, and it has an internal 100-kΩ pull-down resistor. |+| 31 | NC | unconnected | Do not connect. |+| 32 | NC | unconnected | Do not connect. |+| 33 | D0_D1_M | output | Differential output data D0 and D1 multiplexed, complement. |+| 34 | D0_D1_P | output | Differential output data D0 and D1 multiplexed, true. |+| 35 | DRVDD | power_in | 1.8-V digital and output buffer supply; absolute maximum range is -0.3 V to 2.1 V. |+| 36 | DRGND | power_in | Digital and output buffer ground. |+| 37 | D2_D3_M | output | Differential output data D2 and D3 multiplexed, complement. |+| 38 | D2_D3_P | output | Differential output data D2 and D3 multiplexed, true. |+| 39 | D4_D5_M | output | Differential output data D4 and D5 multiplexed, complement. |+| 40 | D4_D5_P | output | Differential output data D4 and D5 multiplexed, true. |+| 41 | D6_D7_M | output | Differential output data D6 and D7 multiplexed, complement. |+| 42 | D6_D7_P | output | Differential output data D6 and D7 multiplexed, true. |+| 43 | D8_D9_M | output | Differential output data D8 and D9 multiplexed, complement. |+| 44 | D8_D9_P | output | Differential output data D8 and D9 multiplexed, true. |+| 45 | D10_D11_M | output | Differential output data D10 and D11 multiplexed, complement. |+| 46 | D10_D11_P | output | Differential output data D10 and D11 multiplexed, true. |+| 47 | D12_D13_M | output | Differential output data D12 and D13 multiplexed, complement. |+| 48 | D12_D13_P | output | Differential output data D12 and D13 multiplexed, true. |+| 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: `ADS41B49IRGZR`+- 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: `ads41b49irgzr-etched.step` / `ads41b49irgzr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads41b49irgzr.step` / `ads41b49irgzr.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/ads41b29) (60 pp, sha256 `15091f6f2adf57af`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/ads41b49irgzr-datasheet.pdf)
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absolute maximum range is -0.3 V to 2.1 V."+ },+ {+ "number": "3",+ "name": "OVR_SDOUT",+ "type": "output",+ "description": "Out-of-range indicator after reset (READOUT = 0) and serial register readout pin when READOUT = 1; a 1.8-V CMOS output running off DRVDD."+ },+ {+ "number": "4",+ "name": "CLKOUTM",+ "type": "output",+ "description": "Differential output clock, complement."+ },+ {+ "number": "5",+ "name": "CLKOUTP",+ "type": "output",+ "description": "Differential output clock, true."+ },+ {+ "number": "6",+ "name": "DFS",+ "type": "input",+ "description": "Data format select input that sets the data format (two's complement or offset binary) and the LVDS or CMOS output interface type."+ },+ {+ "number": "7",+ "name": "OE",+ "type": "input",+ "description": "Output buffer enable input, active high; has an internal 100-kΩ pull-up resistor to DRVDD."+ },+ {+ "number": "8",+ "name": "AVDD",+ "type": "power_in",+ "description": "1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V."+ },+ {+ "number": "9",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "10",+ "name": "CLKP",+ "type": "input",+ "description": "Differential clock input, positive."+ },+ {+ "number": "11",+ "name": "CLKM",+ "type": "input",+ "description": "Differential clock input, negative."+ },+ {+ "number": "12",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "13",+ "name": "VCM",+ "type": "output",+ "description": "Outputs the common-mode voltage that can be used externally to bias the analog input pins."+ },+ {+ "number": "14",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "15",+ "name": "INP",+ "type": "input",+ "description": "Differential analog input, positive; absolute input voltage range is -0.3 V to the minimum of 1.9 V or AVDD + 0.3 V."+ },+ {+ "number": "16",+ "name": "INM",+ "type": "input",+ "description": "Differential analog input, negative; absolute input voltage range is -0.3 V to the minimum of 1.9 V or AVDD + 0.3 V."+ },+ {+ "number": "17",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "18",+ "name": "AVDD",+ "type": "power_in",+ "description": "1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V."+ },+ {+ "number": "19",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "20",+ "name": "AVDD",+ "type": "power_in",+ "description": "1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V."+ },+ {+ "number": "21",+ "name": "AVDD_BUF",+ "type": "power_in",+ "description": "3.3-V input buffer supply; absolute maximum range is -0.3 V to 3.9 V."+ },+ {+ "number": "22",+ "name": "AVDD",+ "type": "power_in",+ "description": "1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V."+ },+ {+ "number": "23",+ "name": "RESERVED",+ "type": "input",+ "description": "Digital control pin reserved for future use."+ },+ {+ "number": "24",+ "name": "AVDD",+ "type": "power_in",+ "description": "1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V."+ },+ {+ "number": "25",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "26",+ "name": "AVDD",+ "type": "power_in",+ "description": "1.8-V analog power supply; absolute maximum range is -0.3 V to 2.1 V."+ },+ {+ "number": "27",+ "name": "SEN",+ "type": "input",+ "description": "Serial interface enable input when RESET is low; when RESET is high it has no function and must be tied to AVDD (internal 180-kΩ pull-up to AVDD)."+ },+ {+ "number": "28",+ "name": "SDATA",+ "type": "input",+ "description": "Serial interface data input when RESET is low; when RESET is high it functions as the STANDBY control pin (internal 180-kΩ pull-down)."+ },+ {+ "number": "29",+ "name": "SCLK",+ "type": "input",+ "description": "Serial interface clock input when RESET is low; when RESET is high it must be tied to ground (internal 180-kΩ pull-down)."+ },+ {+ "number": "30",+ "name": "RESET",+ "type": "input",+ "description": "Serial interface reset input; a high pulse wider than 10 ns initializes the registers, and it has an internal 100-kΩ pull-down resistor."+ },+ {+ "number": "31",+ "name": "NC",+ "type": "unconnected",+ "description": "Do not connect."+ },+ {+ "number": "32",+ "name": "NC",+ "type": "unconnected",+ "description": "Do not connect."+ },+ {+ "number": "33",+ "name": "D0_D1_M",+ "type": "output",+ "description": "Differential output data D0 and D1 multiplexed, complement."+ },+ {+ "number": "34",+ "name": "D0_D1_P",+ "type": "output",+ "description": "Differential output data D0 and D1 multiplexed, true."+ },+ {+ "number": "35",+ "name": "DRVDD",+ "type": "power_in",+ "description": "1.8-V digital and output buffer supply; absolute maximum range is -0.3 V to 2.1 V."+ },+ {+ "number": "36",+ "name": "DRGND",+ "type": "power_in",+ "description": "Digital and output buffer ground."+ },+ {+ "number": "37",+ "name": "D2_D3_M",+ "type": "output",+ "description": "Differential output data D2 and D3 multiplexed, complement."+ },+ {+ "number": "38",+ "name": "D2_D3_P",+ "type": "output",+ "description": "Differential output data D2 and D3 multiplexed, true."+ },+ {+ "number": "39",+ "name": "D4_D5_M",+ "type": "output",+ "description": "Differential output data D4 and D5 multiplexed, complement."+ },+ {+ "number": "40",+ "name": "D4_D5_P",+ "type": "output",+ "description": "Differential output data D4 and D5 multiplexed, true."+ },+ {+ "number": "41",+ "name": "D6_D7_M",+ "type": "output",+ "description": "Differential output data D6 and D7 multiplexed, complement."+ },+ {+ "number": "42",+ "name": "D6_D7_P",+ "type": "output",+ "description": "Differential output data D6 and D7 multiplexed, true."+ },+ {+ "number": "43",+ "name": "D8_D9_M",+ "type": "output",+ "description": "Differential output data D8 and D9 multiplexed, complement."+ },+ {+ "number": "44",+ "name": "D8_D9_P",+ "type": "output",+ "description": "Differential output data D8 and D9 multiplexed, true."+ },+ {+ "number": "45",+ "name": "D10_D11_M",+ "type": "output",+ "description": "Differential output data D10 and D11 multiplexed, complement."+ },+ {+ "number": "46",+ "name": "D10_D11_P",+ "type": "output",+ "description": "Differential output data D10 and D11 multiplexed, true."+ },+ {+ "number": "47",+ "name": "D12_D13_M",+ "type": "output",+ "description": "Differential output data D12 and D13 multiplexed, complement."+ },+ {+ "number": "48",+ "name": "D12_D13_P",+ "type": "output",+ "description": "Differential output data D12 and D13 multiplexed, true."+ },+ {+ "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-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The package hint says VQFN-48-EP(7x7). The datasheet describes this as the 48-pin VQFN (RGZ), 7 mm x; The pin table covers the ADS41B49 with the LVDS output interface (pin diagram on page 4). Output pin; Pins 31 and 32 are NC for the ADS41B49. The text lists NC on pins 31-34 for the ADS41B29, so the ADS",+ "exposed pad 49 added from the footprint"+ ],+ "pages_sent": 15,+ "cost_usd": 0.1142,+ "at": "2026-10-08T19:28:05"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ads41b29",+ "pages": 60,+ "sha256": "15091f6f2adf57af",+ "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"+ },+ "models_3d": [+ {+ "file": "ads41b49irgzr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7,+ 7,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "ads41b49irgzr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7,+ 7,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "5c66d71ff728bec75a7a3283a0348324109104691d77dc961a7df3fa78047d09",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}