component
LPA4890MSF
Public Made by Adomby adom
LOWPOWER Audio Power OpAmps, MSOP-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)
5 files changed
+290−3
lpa4890msf.lbr+1−1@@ -70,7 +70,7 @@ <wire x1="1.6100" y1="-1.6100" x2="-1.6100" y2="-1.6100" width="0.1200" layer="21"/> <text x="0" y="2.388" size="1.27" layer="25" align="bottom-center">>NAME</text> <text x="0" y="-2.388" size="1.27" layer="27" align="top-center">>VALUE</text>-</package>+<!--adom-pin1--><polygon width="0.0500" layer="21"><vertex x="-2.1600" y="1.4400"/><vertex x="-2.4000" y="1.7700"/><vertex x="-1.9200" y="1.7700"/></polygon></package> </packages> <symbols> <symbol name="LPA4890MSF">
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/lpa4890msf-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ] }
pads.jsonadded+275@@ -0,0 +1,275 @@+{+ "schema": "adom.pads/1",+ "slug": "lpa4890msf",+ "footprint": "MSOP-8_3x3mm_P0.65mm",+ "generated_from": {+ "footprint": "MSOP-8_3x3mm_P0.65mm@sha256:c85207be7edf4b5e",+ "pins": "page.json:component.pins",+ "overrides": null+ },+ "pin1": {+ "pad": "1",+ "at": [+ -2.1125,+ -0.975+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "MSOP-8_3x3mm_P0.65mm@sha256:c85207be7edf4b5e"+ },+ "pad_count": 8,+ "symbol_pins": [+ "1",+ "2",+ "3",+ "4",+ "5",+ "6",+ "7",+ "8"+ ],+ "paste_apertures": 0,+ "issues": [],+ "pads": [+ {+ "pad": "1",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.1125,+ -0.975+ ],+ "rot": 0.0,+ "size": [+ 1.625,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "1",+ "name": "SHUTDOWN",+ "type": "input",+ "description": "Active-low shutdown control. Driving this pin below ~0.4V places the device in ultra-low-current (0.1µA typ) shutdown mode; driving above ~1.4V enables normal operation. Compatible with 0.4V logic thresholds.",+ "is_pin1": true,+ "source": {+ "geometry": "MSOP-8_3x3mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "2",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.1125,+ -0.325+ ],+ "rot": 0.0,+ "size": [+ 1.625,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "2",+ "name": "BYPASS",+ "type": "passive",+ "description": "Bypass capacitor pin providing the internal VDD/2 common-mode reference voltage. Connect a bypass capacitor (typically 0.2µF-4.7µF) from this pin to GND; larger capacitance improves PSRR and reduces pop noise.",+ "is_pin1": false,+ "source": {+ "geometry": "MSOP-8_3x3mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "3",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.1125,+ 0.325+ ],+ "rot": 0.0,+ "size": [+ 1.625,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "3",+ "name": "+IN",+ "type": "input",+ "description": "Non-inverting (positive) audio input of the first amplifier. Receives the internal common-mode voltage (VDD/2) via the BYPASS reference; used for single-ended or differential input configuration.",+ "is_pin1": false,+ "source": {+ "geometry": "MSOP-8_3x3mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "4",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.1125,+ 0.975+ ],+ "rot": 0.0,+ "size": [+ 1.625,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "4",+ "name": "-IN",+ "type": "input",+ "description": "Inverting (negative) audio input of the first amplifier. Receives the audio input signal via the input coupling capacitor and input resistor Rin, and connects to the feedback resistor Rf that sets closed-loop gain.",+ "is_pin1": false,+ "source": {+ "geometry": "MSOP-8_3x3mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "5",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.1125,+ 0.975+ ],+ "rot": 0.0,+ "size": [+ 1.625,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "5",+ "name": "VO1",+ "type": "output",+ "description": "Negative BTL output of the LPA4890. Connects to one terminal of the load speaker and to the feedback resistor Rf that closes the gain loop around the first amplifier.",+ "is_pin1": false,+ "source": {+ "geometry": "MSOP-8_3x3mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "6",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.1125,+ 0.325+ ],+ "rot": 0.0,+ "size": [+ 1.625,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "6",+ "name": "VDD",+ "type": "power_in",+ "description": "Analog supply input, 2.5V to 5.5V operating range (6V absolute max). Bypass locally with a 1µF ceramic decoupling capacitor to GND. Quiescent current is 2.5mA typ at 5.5V.",+ "is_pin1": false,+ "source": {+ "geometry": "MSOP-8_3x3mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "7",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.1125,+ -0.325+ ],+ "rot": 0.0,+ "size": [+ 1.625,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Ground return for all circuitry. Should be tied to a solid ground plane; keep the return path short and low-impedance for best THD+N and PSRR.",+ "is_pin1": false,+ "source": {+ "geometry": "MSOP-8_3x3mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "8",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.1125,+ -0.975+ ],+ "rot": 0.0,+ "size": [+ 1.625,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "8",+ "name": "VO2",+ "type": "output",+ "description": "Positive BTL output of the LPA4890. Connects to the other terminal of the load speaker, forming a bridge-tied-load together with VO1 (no output coupling capacitor required).",+ "is_pin1": false,+ "source": {+ "geometry": "MSOP-8_3x3mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ }+ ]+}
page.json+11@@ -96,6 +96,17 @@ "viewers": { "symbol": "viewers/symbol.html", "footprint": "viewers/footprint.html"+ },+ "pin1": {+ "pad": "1",+ "at": [+ -2.1125,+ -0.975+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "MSOP-8_3x3mm_P0.65mm@sha256:c85207be7edf4b5e",+ "mark": "drawn" } }, "metadata": {
viewers/footprint.html+1−1@@ -23,7 +23,7 @@ rect.pad.hi{stroke:var(--hi);stroke-width:.15;paint-order:stroke} #tip .td{font-size:11px;color:var(--ink);margin-top:5px;line-height:1.4} </style></head><body> <div class=bar><span class=h>PCB footprint</span><span class=sp></span><button class="lyrtog on" data-lyr="copper"><span class="d" style="background:#e35d5d"></span>Copper</button><button class="lyrtog on" data-lyr="silk"><span class="d" style="background:#e6edf3"></span>Silkscreen</button><button class="lyrtog" data-lyr="fab"><span class="d" style="background:#8b949e"></span>Fab</button><button class="lyrtog" data-lyr="courtyard"><span class="d" style="background:#bc8cff"></span>Courtyard</button></div>-<div class=stage id=stage><svg xmlns='http://www.w3.org/2000/svg' viewBox='-3.580 -2.150 7.160 4.300' style='width:100%;height:100%'><line class='ly-silk' x1='-1.610' y1='-1.610' x2='1.610' y2='-1.610' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='-1.610' y1='-1.435' x2='-1.610' y2='-1.610' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='-1.610' y1='1.610' x2='-1.610' y2='1.435' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='1.610' y1='-1.610' x2='1.610' y2='-1.435' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='1.610' y1='1.435' x2='1.610' y2='1.610' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='1.610' y1='1.610' x2='-1.610' y2='1.610' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-courtyard' x1='-3.180' y1='-1.430' x2='-1.750' y2='-1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-3.180' y1='1.430' x2='-3.180' y2='-1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-1.750' y1='-1.750' x2='1.750' y2='-1.750' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-1.750' y1='-1.430' x2='-1.750' y2='-1.750' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-1.750' y1='1.430' x2='-3.180' y2='1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-1.750' y1='1.750' x2='-1.750' y2='1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='1.750' y1='-1.750' x2='1.750' y2='-1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='1.750' y1='-1.430' x2='3.180' y2='-1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='1.750' y1='1.430' x2='1.750' y2='1.750' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='1.750' y1='1.750' x2='-1.750' y2='1.750' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='3.180' y1='-1.430' x2='3.180' y2='1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='3.180' y1='1.430' x2='1.750' y2='1.430' stroke='#4ade80' stroke-width='0.050'/><rect class='ly-copper pad' data-num='1' data-name='SHUTDOWN' x='-2.925' y='-1.175' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.112' y='-0.975' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>1</text><rect class='ly-copper pad' data-num='2' data-name='BYPASS' x='-2.925' y='-0.525' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.112' y='-0.325' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>2</text><rect class='ly-copper pad' data-num='3' data-name='+IN' x='-2.925' y='0.125' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.112' y='0.325' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>3</text><rect class='ly-copper pad' data-num='4' data-name='-IN' x='-2.925' y='0.775' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.112' y='0.975' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>4</text><rect class='ly-copper pad' data-num='5' data-name='VO1' x='1.300' y='0.775' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.112' y='0.975' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>5</text><rect class='ly-copper pad' data-num='6' data-name='VDD' x='1.300' y='0.125' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.112' y='0.325' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>6</text><rect class='ly-copper pad' data-num='7' data-name='GND' x='1.300' y='-0.525' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.112' y='-0.325' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>7</text><rect class='ly-copper pad' data-num='8' data-name='VO2' x='1.300' y='-1.175' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.112' y='-0.975' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>8</text></svg></div>+<div class=stage id=stage><svg xmlns='http://www.w3.org/2000/svg' viewBox='-3.580 -2.150 7.160 4.300' style='width:100%;height:100%'><line class='ly-silk' x1='-1.610' y1='-1.610' x2='1.610' y2='-1.610' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='-1.610' y1='-1.435' x2='-1.610' y2='-1.610' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='-1.610' y1='1.610' x2='-1.610' y2='1.435' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='1.610' y1='-1.610' x2='1.610' y2='-1.435' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='1.610' y1='1.435' x2='1.610' y2='1.610' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='1.610' y1='1.610' x2='-1.610' y2='1.610' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-courtyard' x1='-3.180' y1='-1.430' x2='-1.750' y2='-1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-3.180' y1='1.430' x2='-3.180' y2='-1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-1.750' y1='-1.750' x2='1.750' y2='-1.750' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-1.750' y1='-1.430' x2='-1.750' y2='-1.750' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-1.750' y1='1.430' x2='-3.180' y2='1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='-1.750' y1='1.750' x2='-1.750' y2='1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='1.750' y1='-1.750' x2='1.750' y2='-1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='1.750' y1='-1.430' x2='3.180' y2='-1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='1.750' y1='1.430' x2='1.750' y2='1.750' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='1.750' y1='1.750' x2='-1.750' y2='1.750' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='3.180' y1='-1.430' x2='3.180' y2='1.430' stroke='#4ade80' stroke-width='0.050'/><line class='ly-courtyard' x1='3.180' y1='1.430' x2='1.750' y2='1.430' stroke='#4ade80' stroke-width='0.050'/><rect class='ly-copper pad' data-num='1' data-name='SHUTDOWN' x='-2.925' y='-1.175' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.112' y='-0.975' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>1</text><rect class='ly-copper pad' data-num='2' data-name='BYPASS' x='-2.925' y='-0.525' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.112' y='-0.325' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>2</text><rect class='ly-copper pad' data-num='3' data-name='+IN' x='-2.925' y='0.125' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.112' y='0.325' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>3</text><rect class='ly-copper pad' data-num='4' data-name='-IN' x='-2.925' y='0.775' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='-2.112' y='0.975' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>4</text><rect class='ly-copper pad' data-num='5' data-name='VO1' x='1.300' y='0.775' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.112' y='0.975' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>5</text><rect class='ly-copper pad' data-num='6' data-name='VDD' x='1.300' y='0.125' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.112' y='0.325' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>6</text><rect class='ly-copper pad' data-num='7' data-name='GND' x='1.300' y='-0.525' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.112' y='-0.325' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>7</text><rect class='ly-copper pad' data-num='8' data-name='VO2' x='1.300' y='-1.175' width='1.625' height='0.400' rx='0.100' fill='#f59e0b' stroke='#00000033' stroke-width='0.03' opacity='0.94'/><text class='padnum' x='2.112' y='-0.975' font-size='0.350' fill='#1c1206' text-anchor='middle' dominant-baseline='central' pointer-events='none' font-family='ui-monospace,monospace' font-weight='700'>8</text><polygon class='ly-silk adom-pin1' points='-2.160,-1.440 -2.400,-1.770 -1.920,-1.770' fill='#d8b4fe' stroke='none'><title>pin 1</title></polygon></svg></div> <div id=tip></div> <script> var KIND="footprint", MPN="RAY/LPA4890MSF", PINS=[{"desc":"","name":"SHUTDOWN","number":"1","type":""},{"desc":"","name":"BYPASS","number":"2","type":""},{"desc":"","name":"+IN","number":"3","type":""},{"desc":"","name":"-IN","number":"4","type":""},{"desc":"","name":"VO2","number":"8","type":""},{"desc":"","name":"GND","number":"7","type":""},{"desc":"","name":"VDD","number":"6","type":""},{"desc":"","name":"VO1","number":"5","type":""}];