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LM4889MM

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Texas Instruments Audio Amplifiers, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM4889MM

Texas Instruments · Audio Amplifiers · VSSOP-8

LM4889MM from Texas Instruments, in a VSSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 SHUTDOWN input Active-low shutdown input that turns off the amplifier bias circuitry when driven low (input low below 0.4V max, input high 1.2V min at VDD = 5V).
2 BYPASS passive Half-supply (VDD/2) bypass node that needs an external capacitor CB (1.0 µF recommended) for half-supply filtering and turn-on pop performance.
3 +IN input Non-inverting input of the first amplifier.
4 -IN input Inverting input of the first amplifier, where the Ri/Rf resistors set differential gain AVD = 2*(Rf/Ri).
5 Vo1 output First amplifier output, one side of the bridge-tied load, 180° out of phase with Vo2 and biased at VDD/2.
6 VDD power_in Positive supply, operating range 2.2V to 5.5V (absolute maximum 6.0V), with a bypass capacitor placed close to the pin.
7 GND power_in Ground.
8 Vo2 output Second amplifier output, the other side of the bridge-tied load, an inverted unity-gain copy of Vo1 biased at VDD/2.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VSSOP-8
Category Amplifiers/Comparators
Pins 8

CAD (KiCad official)

  • Symbol: LM4889MM
  • Footprint: Package_SO:VSSOP-8_2.3x2mm_P0.5mm
  • 3D model: VSSOP-8 (KiCad packages3D, STEP)
  • 3D model files: lm4889mm-etched.step / lm4889mm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm4889mm.step / lm4889mm.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (31 pp, sha256 1142703d6502f7cd, retrieved 2026-10-03, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF