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LM4864MM

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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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LM4864MM

Texas Instruments · Audio Amplifiers · VSSOP-8

LM4864MM 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-high shutdown input that turns off the amplifier bias circuitry when a logic high is applied, with the trigger point typically half supply, and it must be tied to a definite voltage (ground or VDD).
2 BYPASS passive Half-supply (VDD/2) bypass node that connects to an external capacitor CB, recommended at 1.0 µF or larger for PSRR and click-and-pop performance.
3 +IN input Non-inverting input of the first amplifier.
4 -IN input Inverting input of the first amplifier, where the input resistor Ri and feedback resistor RF set the gain AVD = 2*(RF/Ri).
5 Vo1 output Output of the first amplifier, which drives one side of the bridged load and also feeds the second, unity-gain inverting amplifier.
6 VDD power_in Positive supply pin with an operating range of 2.7V to 5.5V (absolute maximum 6.0V), to be bypassed with a capacitor such as 0.1 µF placed close to the pin.
7 GND power_in Ground pin.
8 Vo2 output Output of the second amplifier, which has a fixed gain of -1 and drives the other side of the bridged load.

Key specifications

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

CAD (KiCad official)

  • Symbol: LM4864MM
  • Footprint: Package_SO:VSSOP-8_2.3x2mm_P0.5mm
  • 3D model: VSSOP-8 (KiCad packages3D, STEP)
  • 3D model files: lm4864mm-etched.step / lm4864mm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm4864mm.step / lm4864mm.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (29 pp, sha256 8e340227e33ea6b4, 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