component
8002B
Public Made by Adomby adom
IDCHIP Audio Power OpAmps, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
2 files changed
+267−1
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/8002b-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ] }
pads.jsonadded+265@@ -0,0 +1,265 @@+{+ "schema": "adom.pads/1",+ "slug": "8002b",+ "footprint": "SOIC-8_3.9x4.9mm_P1.27mm",+ "generated_from": {+ "footprint": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",+ "pins": "page.json:component.pins",+ "overrides": null+ },+ "pin1": {+ "pad": "1",+ "at": [+ -2.475,+ -1.905+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4"+ },+ "pad_count": 8,+ "paste_apertures": 0,+ "issues": [],+ "pads": [+ {+ "pad": "1",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ -1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "1",+ "name": "SD",+ "type": "input",+ "description": "Shutdown control input. Logic HIGH (VIH = 1.5V to VDD) puts the amplifier into shutdown (IOFF ≈ 0.6µA typical); logic LOW (VIL = 0 to 1V) enables normal operation. Must NOT be left floating - tie to GND when the shutdown feature is unused.",+ "is_pin1": true,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "2",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ -0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "2",+ "name": "BYP",+ "type": "passive",+ "description": "Bypass pin - internal VDD/2 mid-supply reference output. Connect an external bypass capacitor (typically 1µF) from this pin to GND to filter the mid-supply bias and improve PSRR / low-frequency THD+N.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "3",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ 0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "3",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection / no internal function. Datasheet notes '芯片第3脚无功能' (pin 3 has no function). Note that the typical application schematic labels this pin 'INP' but the pin description table and features list both confirm it is NC on the 8002B variant.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "4",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ 1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "4",+ "name": "INN",+ "type": "input",+ "description": "Inverting analog audio input. Signal is AC-coupled through Ci (typ. 0.39µF) and Ri (typ. 20kΩ). With feedback resistor Rf (typ. 68kΩ), the differential closed-loop gain is AVD = 2*(Rf/Ri).",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "5",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ 1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "5",+ "name": "VO1",+ "type": "output",+ "description": "Bridge-tied load audio output 1. Connect one terminal of the speaker between VO1 and VO2. Output is DC-biased at VDD/2 - no output coupling capacitor required. Delivers up to 2.8W into 4Ω BTL at 5V (THD+N=10%).",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "6",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ 0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "6",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive supply voltage input. Operating range 2.2V to 5.5V (absolute max 6.5V). Bypass with 10µF + 0.1µF ceramic capacitors placed close to the pin. Quiescent current IDD ≈ 10mA (no load).",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "7",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ -0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Ground / power return. Connect to system ground with a low-impedance path close to the supply bypass capacitors.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "8",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ -1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "8",+ "name": "VO2",+ "type": "output",+ "description": "Bridge-tied load audio output 2. Connect the other terminal of the speaker between VO2 and VO1. Internally driven 180° out of phase with VO1 by a fixed unity-gain inverter (set by two internal 20kΩ resistors), giving 4× the output power of a single-ended amplifier at the same supply.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ }+ ]+}