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Home » NEWEST Products » New by Manufacturer » Cirrus Logic » Cirrus Logic CS4207 Low Power HD Audio Codec
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Cirrus Logic CS4207 Low Power HD Audio Codec

Cirrus Logic CS4207 Low Power HD Audio Codec

Cirrus Logic's CS4207 Low Power HD Audio Codec is a highly integrated multi-channel low-power HD Audio Codec featuring 192 kHz DACs, 96 kHz ADCs, 192 kHz S/PDIF Transmitters and Receiver, Microphone pre-amp and bias voltage, and a ground centered Headphone driver. Based on multi-bit, delta-sigma modulation, it allows infinite sample rate adjustment between 32 kHz and 192 kHz. In addition to its many features, the CS4207 operates from a low-voltage analog and digital core, making this part ideal for portable systems that require low power consumption in a minimal amount of space.

Digital to Analog Features
  • DAC1 (Headphone)
  • Headphone Amplifier - GND Centered
  • DAC2 & DAC3 (Line Outs)
  • Each DAC Supports 32 kHz to 192 kHz Sample Rates Independently
  • Digital Volume Control
  • Independent Support of D0 and D3 Power States for Each DAC
  • Fast D3 to D0 Transition
Analog to Digital Features
  • ADC1 & ADC2
  • MIC Inputs
  • Each ADC Supports 8 kHz to 96 kHz Sample Rates Independently
  • Additional Digital Attenuation Control
  • Digital Interface for Two Dual Digital Mic Inputs
  • Independent Support of D0 and D3 Power States for Each ADC
  • Laptops and Netbooks
  • MID HD Tablet
  • In-Seat Entertainment

CDB4707 Evaluation Board

Cirrus Logic's CDB4207 HD Audio CODEC Development Platform is a flexible development platform designed for easy evaluation of the CS4207 HD Audio CODEC. Evaluation requires a PC with an HD Audio Bus connector and an analog or digital audio signal source for recording. Analog I/O is provided via 1/8" or 1/4" jacks. S/PDIF I/O is provided via optical connectors. Two identical HD Audio Bus headers are provided for connection to a PC. The CDB4207 is configured via hardware jumper settings to set up the analog I/O circuitry and select a source for each CS4207 power supply rail. The analog inputs and outputs support several signal types for compatibility with a variety of signal sources and analyzers.

  • Demonstrates Recommended Layout and Grounding Arrangements
    Analog I/O Use Standard 1/8" (3.5 mm) or 1/4" (6.35 mm)
  • Jacks With Presence Detection
  • Analog Inputs (Passive)
  • Analog Outputs (Passive)
  • Digital I/O

  • Powered by HDA Bus Connection to PC
  • Configured by Hardware Jumpers
  • Current Sense Resistors for CS4207 Supplies
Additional Resources

Block Diagram
Block Diagram
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  • Cirrus Logic
  • Semiconductors|Integrated Circuits|IC-Interface