MAX13335E
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MAX13335E

Dual Automotive Differential Audio Receivers with I²C Control and Diagnostics

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Programmable Gain Audio Input Amplifiers with I²C Control and Full Automotive Grade Diagnostics Capability

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 4
1ku List Price Starting From $2.48
Features
  • +3.3V or +5V Operation
  • +28V to -16V Tolerant Inputs
  • Wide Common-Mode Input Range (-5V to +11.5V)
  • Fully Differential Inputs Up to 7VRMS
  • Quasi-Differential Inputs Up to 3.5VRMS
  • Audio Presence Detection
  • Jack Sense Detection
  • Diagnostic Capability
  • Programmable Gain with Zero-Crossing Detection
  • I2C Control Interface
  • Automotive Grade ESD Protection
    • ISO 10605 ±15kV Air Gap
    • ±8kV Contact Discharge
Additional Details
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The MAX13335E/MAX13336E are high-fidelity stereo audio input amplifiers designed for automotive applications requiring audio-level detection and/or jack sensing capability.

The devices feature a dual-channel, low-noise, programmable gain amplifier that accepts fully differential and quasi-differential input signals with diagnostics capability controlled through an I²C interface. The devices' audio receiver can also pair with the MAX13325/MAX13326 audio transmitter to form a complete differential audio link in automotive systems.

Each channel of the device features high common-mode rejection ratio (CMRR) (80dB), enabling the recovery of audio signals in the presence of large common-mode noise in automotive environments. An integrated programmable gain amplifier is adjustable from -14dB to +16dB (MAX13335E) and -22dB to +8dB (MAX13336E) with zero-crossing detection to provide an optimum output-signal level and limit zip noise. The external flexible diagnostic inputs can be configured to perform jack sense functions or to detect short-to-battery, short-to-ground, open load, and shorts between channels.

The audio inputs are protected against ISO 10605 ±15kV Air Gap and ±8kV Contact Discharge ESD pulses. Both devices have a -40°C to +105°C operating temperature range, and are available in a 16-pin QSOP package.

Applications

  • Automotive Telematics
  • Connectivity Modules
  • Radio Head Units
  • RSA/RSE
Part Models 4
1ku List Price Starting From $2.48

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX13335EGEE/V+
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  • HTML
MAX13335EGEE/V+T
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MAX13335EGEEA/V+
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MAX13335EGEEA/V+T
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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

MAX13335EEVKIT

Evaluation Kit for the MAX13335E and MAX13336E

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MAX13335EEVKIT

Evaluation Kit for the MAX13335E and MAX13336E

Evaluation Kit for the MAX13335E and MAX13336E

Features and Benefits

  • +3.3V or +5V Single-Supply Operation
  • Proven Audio PCB Layout
  • On-Board USB Interface Circuit Generates I²C-Compatible Signals
  • PCB Pads for User-Supplied I²C-Compatible Signals
  • Surface-Mount Components
  • Evaluates the MAX13336E After IC Replacement
  • Windows XP-, Windows Vista-, and Windows 7-Compatible Software
  • Fully Assembled and Tested

Product Detail

The MAX13335E evaluation kit (EV kit) is a fully assembled and tested PCB that evaluates the MAX13335E automotive audio receiver. The IC features a dual automotive differential audio receiver with I²C control and diagnostics. The EV kit features an on-board microcontroller for communicating with the I²C interface of the device. PCB pads are provided for accessing the analog inputs/outputs and the diagnostic I/O ports.
The EV kit operates from a +3.3V or +5V power supply that provides 100mA of current. The EV kit can also operate from the on-board USB +5V supply. The EV kit delivers the audio outputs with programmable gain between -14dB and +16dB. The EV kit can also evaluate the MAX13336E after IC replacement of U1.
Windows XP®-, Windows Vista®-, and Windows® 7-compatible software is provided to facilitate configuration. The EV kit software controls the on-board microcontroller over the USB, which generates I²C commands.

Applications

  • Automotive Telematics
  • Connectivity Modules
  • Radio Head Units
  • RSA/RSE

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