Install this component

Paste this into Claude Code (VS Code panel, Adom editor, or terminal) to install:

Search the Adom Wiki for the library component "MAX9814" (slug: max9814) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/libraries/max9814. Pull down the KiCad symbol, footprint, and 3D model files from the wiki page's assets. Install them into my current KiCad project and register in sym-lib-table and fp-lib-table. If the page has a datasheet URL, save that too.
Manufacturer Maxim Integrated
Package TDFN-14
Pins 14 pins (Audio, Gain, Power)
Supply 2.7V-5.5V
Gain 40/50/60dB selectable
AGC Automatic gain control
Output Amplified mic signal

Library View

Interactive symbol, footprint, and 3D model — hover pins for cross-highlighting.

SymbolGenerated Generated from pin data (KiCad symbol Amplifier_Audio/MAX9814 is multi-unit)
FootprintKiCad KiCad standard library: Package_SO/TSSOP-14_4.4x5mm_P0.65mm
3DGenerated Generated pad visualization (Babylon.js)

Breakout Board

Auto-generated breakout molecule for MAX9814 — all pins brought to 2mm-pitch headers with 4 corner machine pins on 8mm grid.

Pricing & Availability

Specifications

Supply2.7V-5.5V
Gain40/50/60dB selectable
AGCAutomatic gain control
OutputAmplified mic signal
Bandwidth20Hz-20kHz
PackageTSSOP-14

Pin Configuration

AudioGainPower
PinNameGroupFunction
Audio — Microphone input and output
1MICBIASAudioMicrophone bias output
3MIC-AudioMic negative input
4GNDAudioGround
5A/RAudioAttack/release ratio select
11THAudioAGC threshold
13SHDNAudioShutdown (active low)
Gain — Gain and attack/release config
2MIC+GainMic positive input
8GNDGainGround
9CGGainAGC capacitor
Power — Supply and ground
6GAINPowerGain select (40/50/60dB)
7OUTPowerAmplified audio output
10CTPowerAGC time constant
12VDDPowerSupply voltage (2.7V-5.5V)
14GNDPowerGround

AI Skill Technical Reference

Edit AI Skill

MAX9814 — Electret microphone amplifier with AGC, TDFN-14

Manufacturer: Maxim Integrated Package: TDFN-14

Description

The MAX9814 is a microphone amplifier with automatic gain control (AGC) from Maxim. Features configurable gain (40/50/60dB), attack/release ratio control, and low noise for voice and sound detection.

Electrical Specifications

  • Supply: 2.7V-5.5V
  • Gain: 40/50/60dB selectable
  • AGC: Automatic gain control
  • Output: Amplified mic signal
  • Bandwidth: 20Hz-20kHz
  • Package: TSSOP-14

Pin Configuration

Package: TDFN-14

  • Pin 1: MICBIAS — Microphone bias output
  • Pin 2: MIC+ — Mic positive input
  • Pin 3: MIC- — Mic negative input
  • Pin 4: GND — Ground
  • Pin 5: A/R — Attack/release ratio select
  • Pin 6: GAIN — Gain select (40/50/60dB)
  • Pin 7: OUT — Amplified audio output
  • Pin 8: GND — Ground
  • Pin 9: CG — AGC capacitor
  • Pin 10: CT — AGC time constant
  • Pin 11: TH — AGC threshold
  • Pin 12: VDD — Supply voltage (2.7V-5.5V)
  • Pin 13: SHDN — Shutdown (active low)
  • Pin 14: GND — Ground

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0 revisions · Updated 2026-03-02 17:31:36