CS4265(2021) データシート - Cirrus Logic

General Description
   The CS4265 is a highly integrated stereo audio CODEC. The CS4265 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 192 kHz.

D/A Features
✦ Multi-Bit Delta Sigma Modulator
✦ 104 dB Dynamic Range
✦ -90 dB THD+N
✦ Up to 192 kHz Sampling Rates
✦ Single-Ended Analog Architecture
✦ Volume Control with Soft Ramp
   – 0.5 dB Step Size
   – Zero Crossing, Click-Free Transitions
✦ Popguard® Technology
   – Minimizes the Effects of Output Transients
✦ Filtered Line-Level Outputs
✦ Selectable Serial Audio Interface Formats
   – Left-Justified up to 24-bit
   – I²S up to 24-bit
   – Right-Justified 16-, 18-, 20-, and 24-bit
✦ Selectable 50/15 µs De-Emphasis

A/D Features
✦ Multi-Bit Delta Sigma Modulator
✦ 104 dB Dynamic Range
✦ -95 dB THD+N
✦ Stereo 2:1 Input Multiplexer
✦ Programmable Gain Amplifier (PGA)
   – ± 12 dB Gain, 0.5 dB Step Size
   – Zero Crossing, Click-Free Transitions
✦ Pseudo-Differential Stereo Line Inputs
✦ Stereo Microphone Inputs
   – +32 dB Gain Stage
   – Low-Noise Bias Supply
✦ Up to 192 kHz Sampling Rates
✦ Selectable Serial Audio Interface Formats
   – Left-Justified up to 24-bit
   – I²S up to 24-bit
✦ High-Pass Filter or DC Offset Calibration

System Features
✦ Synchronous IEC60958-3 Transmitter
   – Up to 192 kHz Sampling Rates
   – 75 Ω Drive Capability
✦ Serial Audio Data Input Multiplexer
✦ Internal Digital Loopback
✦ Supports Master or Slave Operation
✦ Mute Output Control
✦ Power-Down Mode
   – Available for A/D, D/A, CODEC, Mic
      Preamplifier
✦ +3.3 V to +5 V Analog Power Supply
✦ +3.3 V to +5 V Digital Power Supply
✦ Direct Interface with 1.8 V to 5 V Logic Levels
✦ Supports I²C® Control Port Interface