Datasheet > CS42L51_07

CS42L51_07

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
凌云 - CIRRUS		解码器编解码器放大器
页数	文件大小	规格书
88页	1582K
描述
Low Power, Stereo CODEC with Headphone Amp

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CS42L51_07 数据手册

CS42L51

Low Power, Stereo CODEC with Headphone Amp

DIGITAL to ANALOG FEATURES

ANALOG to DIGITAL FEATURES

98 dB Dynamic Range (A-wtd)

-86 dB THD+N

98 dB Dynamic Range (A-wtd)

-88 dB THD+N

Analog Gain Controls

Headphone Amplifier - GND Centered

–

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

–

+32 dB or +16 dB MIC Pre-Amplifiers

–

Analog Programmable Gain Amplifier

(PGA)

+20 dB Digital Boost

Programmable Automatic Level Control (ALC)

–

Noise Gate for Noise Suppression

Digital Signal Processing Engine

–

Bass & Treble Tone Control, De-Emphasis

PCM + ADC Mix w/Independent Vol Control

Master Digital Volume Control

–

Programmable Threshold and

Attack/Release Rates

Independent Channel Control

Digital Volume Control

Soft Ramp & Zero Cross Transitions

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, Low Noise MIC Bias Levels

Programmable On & Off Time Intervals

–

Differential MIC Mix for Common Mode

Noise Rejection

Continuous, Periodic or One-Shot Beep

Selections

Very Low 64 Fs Oversampling Clock Reduces

Programmable Peak-Detect and Limiter

Pop and Click Suppression

Power Consumption

1.8 V to 3.3 V

1.8 V to 2.5 V

MUX

Headphone

Amp - GND

Centered

Switched

Capacitor DAC

and Filter

Left HP Out

Digital

Signal

Processing

Engine

Serial Audio

Input

Beep

Generator

Multibit

∆Σ Modulator

Headphone

Amp - GND

Centered

Switched

Capacitor DAC

and Filter

Right HP Out

Hardware

Mode or I²C &

SPI Software

Mode

Charge

Pump

Control Data

ALC

Reset

Stereo Input 1

Stereo Input 2

Multibit

Oversampling

ADC

MUX

PGA

+32 dB

Volume

Controls

High Pass

Filters

MUX

Serial Audio

Output

Stereo Input 3 /

Mic Input 1 & 2

Multibit

Oversampling

ADC

+32 dB

MIC

Bias

Configuration

ALC

JULY '06

DS679F1

http://www.cirrus.com

12 3 4 5 6 7...88

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