component
LM4890S
Public Made by Adomby adom
IDCHIP Audio Power OpAmps, MSOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
page.json+10−7@@ -32,13 +32,13 @@ "number": "1", "name": "SHUTDOWN", "type": "input",- "description": "Active-low shutdown control. Drive high (VIH \u2265 1.2V) for normal operation; drive low (VIL \u2264 0.4V) to place the amplifier into low-power shutdown mode (ISD \u2248 0.1\u00b5A typ)."+ "description": "Active-low shutdown control. Drive high (VIH ≥ 1.2V) for normal operation; drive low (VIL ≤ 0.4V) to place the amplifier into low-power shutdown mode (ISD ≈ 0.1µA typ)." }, { "number": "2", "name": "BYPASS", "type": "passive",- "description": "Internal common-mode (half-supply) bias bypass node. Connect a bypass capacitor (typically 1\u00b5F) from this pin to GND to filter the internal mid-rail reference and improve PSRR / pop suppression."+ "description": "Internal common-mode (half-supply) bias bypass node. Connect a bypass capacitor (typically 1µF) from this pin to GND to filter the internal mid-rail reference and improve PSRR / pop suppression." }, { "number": "3",@@ -50,19 +50,19 @@ "number": "4", "name": "-IN", "type": "input",- "description": "Inverting analog audio input. Sets the closed-loop gain via external RIN (typ 20k\u03a9) and Rf (typ 68k\u03a9); combines with CIN to form the input high-pass filter fC = 1/(2\u03c0\u00b7RIN\u00b7CIN)."+ "description": "Inverting analog audio input. Sets the closed-loop gain via external RIN (typ 20kΩ) and Rf (typ 68kΩ); combines with CIN to form the input high-pass filter fC = 1/(2π·RIN·CIN)." }, { "number": "5", "name": "VO1", "type": "output",- "description": "BTL speaker output (negative/inverting side of the bridge, VOUT-). Connect one terminal of the 8\u03a9 speaker load between VO1 (pin 5) and VO2 (pin 8). No output coupling capacitor required."+ "description": "BTL speaker output (negative/inverting side of the bridge, VOUT-). Connect one terminal of the 8Ω speaker load between VO1 (pin 5) and VO2 (pin 8). No output coupling capacitor required." }, { "number": "6", "name": "VDD", "type": "power_in",- "description": "Positive supply input, 2.2V to 5.5V operating range (5.5V absolute max). Decouple locally with CS (typ 1\u00b5F) to GND."+ "description": "Positive supply input, 2.2V to 5.5V operating range (5.5V absolute max). Decouple locally with CS (typ 1µF) to GND." }, { "number": "7",@@ -74,7 +74,7 @@ "number": "8", "name": "VO2", "type": "output",- "description": "BTL speaker output (positive/non-inverting side of the bridge, VOUT+). Connect the other terminal of the 8\u03a9 speaker load here. No output coupling capacitor required."+ "description": "BTL speaker output (positive/non-inverting side of the bridge, VOUT+). Connect the other terminal of the 8Ω speaker load here. No output coupling capacitor required." } ], "provenance": {@@ -138,5 +138,8 @@ "docs/lm4890s-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }