Products > Integrated Circuits (ICs) > Audio ICs > MAX9890BETA/V+T
  • MAX9890BETA/V+T
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Manufacturer :
Maxim Integrated
Package/Case :
Product Categories :
Audio Special Purpose
RoHs Status:
Lead free/RoHS Compliant
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MAX9890BETA/V+T Product Details

The MAX9890BETA/V+T provides click-and-pop suppression for devices such as CODECs with integrated headphone amplifiers that lack a clickless/popless startup/power-up or shutdown/power-down. The device controls the ramping of the DC bias voltage on the output-coupling capacitors and the application of the audio signal to ensure that no audible transients are present at the headphones. The MAX9890A features a 200ms startup time for use with up to 100μF coupling capacitors. The MAX9890B features a 330ms startup time for use with greater than 100μF coupling capacitors. The MAX9890BETA/V+T consumes 14μA of supply current and 0.001μA in shutdown, while contributing less than 0.003% THD+N into a 32Ω load. ESD (Human Body Model) protection circuitry on the outputs protect the MAX9890BETA/V+T and devices further up the signal chain from ESD strikes up to ±8kV. The MAX9890BETA/V+T is available in a miniature (1.5mm x 1.5mm x 0.6mm) 9-bump chip-scale package (UCSP), as well as an 8-pin TDFN package (3mm x 3mm x 0.8mm), and is specified for operation over the -40°C to +85°C extended temperature range.


  • 36dB Click-Pop Suppression
  • 2.7V to 5.5V Single-Supply Operation
  • Clickless/Popless Startup/Power-Up and Shutdown/Power-Down
  • 0.001μA Low-Power Shutdown Mode
  • THD+N < 0.003% Into 32Ω
  • ±8kV ESD Protected Outputs (Human Body Model)
  • Requires Only One 0.1μF Capacitor to Complete the Circuit
  • Low 14μA Supply Current
  • Tiny Packaging
    • 9-Bump UCSP (1.5mm x 1.5mm x 0.6mm)
    • 8-Pin TDFN (3mm x 3mm x 0.8mm)


  • Cell Phones
  • High-End Notebook Audio
  • PDAs
  • Portable DVD Players
  • Portable MP3 Players

MAX9890BETA/V+T Block Diagram
(Picture: Diagram)

Technical Parameters

Function Noise Reduction Operating Temperature -40??C ~ 85??C (TA)
Applications Consumer Audio Specifications 36dB
Number of Channels 2 Package / Case 8-WDFN Exposed Pad
Interface Analog Supplier Device Package 8-TDFN-EP (3x3)
Voltage Supply 2.7V ~ 5.5V

MAX9890BETA/V+T Documents

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Maxim Integrated Products is a global range of linearity, mixed-signal integrated circuits (IC) design, R & D and manufacturing leader, has designed, developed, and manufactured analog, mixed-signal,...
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