www.DataSheet4U.com
CS42L51
Low Power, Stereo CODEC with Headphone Amp
DIGITAL to ANALOG FEATURES
! 98 dB Dynamic Range...
www.DataSheet4U.com
CS42L51
Low Power, Stereo CODEC with Headphone Amp
DIGITAL to ANALOG FEATURES
! 98 dB Dynamic Range (A-wtd) ! -86 dB THD+N ! Headphone Amplifier - GND Centered
ANALOG to DIGITAL FEATURES
! 98 dB Dynamic Range (A-wtd) !
-88 dB THD+N – – +32 dB or +16 dB MIC Pre-
Amplifiers Analog Programmable Gain Amplifier (PGA)
! Analog Gain Controls
– – – – – – – – –
!
On-Chip Charge Pump Provides -VA_HP No DC-Blocking Capacitor Required 46 mW Power Into Stereo 16 Ω @ 1.8 V 88 mW Power Into Stereo 16 Ω @ 2.5 V -75 dB THD+N Bass & Treble Tone Control, De-Emphasis PCM + ADC Mix w/Independent Vol Control Master Digital Volume Control Soft Ramp & Zero Cross Transitions
! +20 dB Digital Boost ! Programmable Automatic Level Control (ALC)
! Digital Signal Processing Engine
– –
Noise Gate for Noise Suppression Programmable Threshold and Attack/Release Rates
! Independent Channel Control ! Digital Volume Control ! High-Pass Filter Disable for DC Measurements ! Stereo 3:1 Analog Input MUX ! Dual MIC Inputs
Beep Generator – Tone Selections Across Two Octaves – Separate Volume Control – Programmable On & Off Time Intervals – Continuous, Periodic or One-Shot Beep Selections
– –
! Programmable Peak-Detect and Limiter ! Pop and Click Suppression
Programmable, Low Noise MIC Bias Levels Differential MIC Mix for Common Mode Noise Rejection
! Very Low 64 Fs Oversampling Clock Reduces
Power Consumption
1.8 V to 2.5 V
MUX
1.8 V to 3.3 V
1.8 V to 2.5 V
1.8 V to 2.5 V Headph...