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Technical Documentation


Technical Documentation

Technical Documents

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MAX98090 Ultra-Low Power Stereo Audio Codec

The MAX98090 is a fully integrated audio codec whose high-performance, ultra-low power consumpti...
  • 102dB DR Stereo DAC to HP (8kHz < fS < 96kHz)
  • 3.6mW Stereo Playback Power Consumption
  • 99dB DR Stereo ADC (8kHz < fS < 96kHz)
  • 4.2mW Stereo Record Power Consumption
  • 3 Stereo Single-Ended/Differential Analog Microphone/Line Inputs (WLP Version)
  • Stereo PDM Digital Microphone Input
  • Master Clock Frequencies from 256 x fS to 60MHz
  • I2S/LJ/RJ/TDM Digital Audio Interface
  • FlexSound Technology Signal Processing
    • Record Path Biquad Filter
    • Playback Path 7-Band Parametric EQ
    • Playback Path Automatic Level Control
    • Digital Filtering and Gain/Level Control
  • Stereo Low EMI Class D Speaker Amplifiers
    • 3.2W/Channel (RL = 4Ω, VSPK_VDD = 5V, WLP)
    • 1.8W/Channel (RL = 8Ω, VSPK_VDD = 5V, WLP)
  • Stereo DirectDrive Class H Headphone Amplifier Jack Detection and Identification
  • Differential Receiver Amplifier/Stereo Line Output
  • Extensive Click-and-Pop Reduction Circuitry
  • RF Immune Analog Inputs and Outputs
  • Programmable Microphone Bias
  • I2C Control Interface with Two Address Options
  • 49-Bump 0.4mm WLP and 40-Pin TQFN Packages

MAX20317 Universal 3.5mmØ Accessory Management IC

The MAX20317 is an I2C controllable, universal 3.5mmØ accessory management IC. The device provid...
  • Allows Wide Range of Applications by Supporting Universal 3.5mm Jack Types
    • Auto-Configuration for CTIA and OMTP Headsets
    • Supports MEMS Microphone
    • 50mΩ Ground Switch
  • Enables Long Utilization of Accessories by Supplying Power Through 3.5mm Jack
    • Powered Accessory/Headset Detection
    • Bypass Switch to Power Accessories, Such as ANC Headsets
    • Programmable Button Detection in Powered Accessory Mode
  • Empowers New Path in Data Communication to Accessories
    • Power Line Communication by 3.5mm Jack
    • Bidirectional Digital Data Communication in Power Mode
    • Allow Emergence of New Accessory Types
  • Provides Comfortable Sounds by Introducing Automatic Volume Adjustment
    • Adaptive Volume Control Based on Precision Headset Impedance
    • False Insertion Detection
  • Saves Board Space with Small Form Factor
    • 1.65mm x 2.05mm 4 x 5 Array 20-Bump 0.4mm Pitch WLP

MAX4993 Low RON, Dual-SPDT/Single-DPDT Analog Switches with Slow Turn-On Time

The MAX4991–MAX4994 low on-resistance analog switches operate from a single +1.8V to +5.5V suppl...
  • Slow Turn-On for Click-and-Pop Reduction Without Additional Parts
  • Low 0.3Ω On-Resistance
  • Low RON Flatness (1mΩ)
  • Low THD+N: 0.004%
  • +1.8V to +5.5V Single-Supply Operation
  • 1.2µA (typ) Supply Current
  • Space-Saving Packages
    • 10-Pin UTQFN (1.4mm x 1.8mm x 0.55mm)

MAX4744 Low-Voltage, Dual SPDT, Audio Clickless Switches with Negative Rail Capability

The MAX4744/MAX4744H/MAX4745/MAX4745H/MAX4746H dual SPDT (single-pole/double-throw) audio switch...
  • Distortion-Free Negative Signal Throughput Down to VCC - 5.5V
  • Internal Shunt Resistor Reduces Click/Pop (MAX4744/MAX4744H)
  • 0.6Ω (typ) Low On-Resistance
  • 0.1Ω (max) Channel-to-Channel Matching
  • 0.55Ω (max) On-Resistance Flatness
  • +1.8V to +5.5V Single-Supply Voltage
  • 0.01% (typ) Total Harmonic Distortion
  • -75dB (typ) Crosstalk (100kHz)
  • -68dB (typ) Off-Isolation (100kHz)
  • Available in 10-Pin µDFN Package (2mm x 2mm)

MAX4584 Serially Controlled Audio/Video Switches

The MAX4584/MAX4585 serial-interface, programmable switches are ideal for multimedia application...
  • +2.7V to +5.5V Single-Supply Operation
  • SPST and SPDT Switches
  • 65Ω (max) RON with +5V Supply
  • Audio Performance
    • -83dB Off-Isolation at 20kHz
    • -84dB Crosstalk at 20kHz
  • Video Performance
    • -48dB Off-Isolation at 10MHz
    • -60dB Crosstalk at 10MHz
  • Serial Interface
    • 2-Wire I2C Compatible (MAX4584)
    • 3-Wire SPI/QSPI/MICROWIRE Compatible (MAX4585)