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CS4270 Datasheet PDF

Part Series:CS4270 Series
Category:CODECs
Description:Audio Codec 2ADC / 2DAC 24Bit 24Pin TSSOP Rail
Document:CS4270-CZZR Datasheet PDF (49 Pages)

CS4270 CODECs Datasheet PDF

CS4270-CZZ - Cirrus Logic Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
24 Pin
Case/Package
TSSOP-24
Supply Current
31.0 mA
Number of Channels
1 Channel
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CS4270-CZZ - Cirrus Logic Function Overview

General Description
The CS4270 is a high-performance, integrated audio CODEC. The CS4270 performs stereo analog-to-digital (A/D) and digital-to-analog (D/A) conversion of up to 24-bit serial values at sample rates up to 216 kHz. Standard 50/15 µs de-emphasis is available for sampling rates of 44.1 kHz for compatibility with digital audio programs mastered using the 50/15 µs pre-emphasis technique.
Integrated level translators allow easy interfacing be tween the CS4270 and other devices operating over a wide range of logic levels.
Independently addressable high-pass filters are available for the right and left channel of the A/D. This allows the A/D to be used in a wide variety of applications where one audio channel and one DC measurement channel is desired.
D/A Features
♦ High Performance
   – 105 dB Dynamic Range
   – -95 dB THD+N
♦ Selectable Serial Audio Interface Formats
   – Left-Justified up to 24-bit
   – I²S up to 24-bit
   – Right-Justified 16-, and 24-Bit
♦ Control Output for External Muting
♦ On-Chip Digital De-Emphasis
♦ Popguard® Technology
♦ Multi-bit ∆Σ Conversion
♦ Digital Volume Control
♦ Single-Ended Output
A/D Features
♦ High Performance
   – 105 dB Dynamic Range
   – -95 dB THD+N
♦ Multi-bit ∆Σ Conversion
♦ High-Pass Filter to Remove DC Offsets
♦ Selectable Serial Audio Interface Formats
   – Left-Justified up to 24-bit
   – I²S up to 24-bit
♦ Single-Ended Input
System Features
♦ Direct Interface with Logic Levels 1.8 V to 5 V
♦ Internal Digital Loopback
♦ Stand-Alone or Control Port Functionality
♦ Single-Ended Analog Architecture
♦ Supports all Audio Sample Rates from 4 kHz to 216 kHz
♦ 3.3 V or 5 V Core Supply
Stand-Alone Mode Feature Set
♦ System Features
   – Serial Audio Port Master or Slave Operation
   – Single-, Double-, or Quad-Speed Operation
♦ D/A Features
   – Auto-Mute on Static Samples
   – 44.1 kHz 50/15 µs De-emphasis Available
   – Selectable Serial Audio Interface Formats
      • Left-Justified up to 24-bit
      • I²S up to 24-bit
♦ A/D Features
   – High-Pass Filter
   – Selectable Serial Audio Interface Formats
      • Left-Justified up to 24-bit
      • I²S up to 24-bit
Software Mode Feature Set
♦ System Features
   – Serial Audio Port Master or Slave Operation
   – Internal Digital Loopback Available
♦ D/A Features
   – Selectable Auto-mute
   – 44.1-kHz De-emphasis Filters
   – Configurable Muting Controls
   – Volume Control
   – Selectable Serial Audio Interface Formats
      • Left-Justified up to 24-bit
      • I²S up to 24-bit
      • Right-Justified 16, and 24-bit
♦ A/D Features
   – Selectable High-Pass Filter or DC Offset Calibration
   – Selectable Serial Audio Interface Formats
      • Left-Justified up to 24-bit
      • I²S up to 24-bit
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