component
LN4890MME-G
Public Made by Adomby adom
NATLINEAR Audio Power OpAmps, MSOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
main
Ray
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
271b40f
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{
"schema": "adom.pads/1",
"slug": "ln4890mme-g",
"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": "Chip enable input, active low. Drive low to place the amplifier in low-power shutdown mode (typ. 0.1 µA); drive high (VIH ≥ 1.2 V) for normal operation. VIL ≤ 0.4 V.",
"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 capacitance input pin for the internal mid-supply bias reference. Connect a 1 µF ceramic capacitor from this pin to GND for pop/click suppression and PSRR performance.",
"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) differential audio input terminal to internal amplifier A1. Typically AC-coupled and referenced to BYPASS via an external resistor.",
"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) differential audio input terminal to internal amplifier A1. Combined with an external Rf feedback resistor sets the closed-loop gain (Av = -Rf/Rin).",
"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 terminal (inverted phase). Drives one side of an 8Ω speaker load; delivers up to 1W into 8Ω at 5V VDD in combination with VO2.",
"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": "Positive supply pin. Operating range 2.2 V to 5.0 V (absolute max 5.0 V). Decouple with a 1 µF capacitor to GND close to the pin.",
"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": "Device ground reference and return for supply, bias, and output currents.",
"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 terminal (in-phase). Drives the opposite side of the 8Ω speaker load from VO1 to form the bridge-tied load; 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"
}
}
]
}