component
8002B
Public Made by Adomby adom
IDCHIP Audio Power OpAmps, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+11−8@@ -32,37 +32,37 @@ "number": "1", "name": "SD", "type": "input",- "description": "Shutdown control input. Logic HIGH (VIH = 1.5V to VDD) puts the amplifier into shutdown (IOFF \u2248 0.6\u00b5A typical); logic LOW (VIL = 0 to 1V) enables normal operation. Must NOT be left floating - tie to GND when the shutdown feature is unused."+ "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." }, { "number": "2", "name": "BYP", "type": "passive",- "description": "Bypass pin - internal VDD/2 mid-supply reference output. Connect an external bypass capacitor (typically 1\u00b5F) from this pin to GND to filter the mid-supply bias and improve PSRR / low-frequency THD+N."+ "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." }, { "number": "3", "name": "NC", "type": "unconnected",- "description": "No connection / no internal function. Datasheet notes '\u82af\u7247\u7b2c3\u811a\u65e0\u529f\u80fd' (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."+ "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." }, { "number": "4", "name": "INN", "type": "input",- "description": "Inverting analog audio input. Signal is AC-coupled through Ci (typ. 0.39\u00b5F) and Ri (typ. 20k\u03a9). With feedback resistor Rf (typ. 68k\u03a9), the differential closed-loop gain is AVD = 2*(Rf/Ri)."+ "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)." }, { "number": "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 4\u03a9 BTL at 5V (THD+N=10%)."+ "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%)." }, { "number": "6", "name": "VDD", "type": "power_in",- "description": "Positive supply voltage input. Operating range 2.2V to 5.5V (absolute max 6.5V). Bypass with 10\u00b5F + 0.1\u00b5F ceramic capacitors placed close to the pin. Quiescent current IDD \u2248 10mA (no load)."+ "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)." }, { "number": "7",@@ -74,7 +74,7 @@ "number": "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\u00b0 out of phase with VO1 by a fixed unity-gain inverter (set by two internal 20k\u03a9 resistors), giving 4\u00d7 the output power of a single-ended amplifier at the same supply."+ "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." } ], "provenance": {@@ -138,5 +138,8 @@ "docs/8002b-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }