Datasheet > CDB43L22

CDB43L22

更新时间： 2024-02-19 08:25:41

品牌	Logo	应用领域
凌云 - CIRRUS		放大器
页数	文件大小	规格书
66页	672K
描述
Low Power, Stereo DAC w/Headphone & Speaker Amps

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中文翻译

获取价格

数据手册

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CDB43L22 数据手册

Confidential Draft

3/4/10

CS43L22

Low Power, Stereo DAC w/Headphone & Speaker Amps

Class D Stereo/Mono Speaker Amplifier

FEATURES

 No External Filter Required

 98 dB Dynamic Range (A-wtd)

 88 dB THD+N

 High Stereo Output Power at 10% THD+N

 Headphone Amplifier - GND Centered

–

2 x 1.00 W into 8 Ω @ 5.0 V

2 x 550 mW into 8 Ω @ 3.7 V

2 x 230 mW into 8 Ω @ 2.5 V

–

No DC-Blocking Capacitors Required

Integrated Negative Voltage Regulator

2 x 23 mW into Stereo 16 Ω @ 1.8 V

2 x 44 mW into Stereo 16 Ω @ 2.5V

 High Mono Output Power at 10% THD+N

 Stereo Analog Input Passthrough Architecture

–

1 x 1.90 W into 4 Ω @ 5.0 V

1 x 1.00 W into 4 Ω @ 3.7 V

1 x 350 mW into 4 Ω @ 2.5 V

–

Analog Input Mixing

–

Analog Passthrough with Volume Control

 Digital Signal Processing Engine

–

Bass & Treble Tone Control, De-Emphasis

PCM Input w/Independent Vol Control

Master Digital Volume Control and Limiter

Soft-Ramp & Zero-Cross Transitions

 Direct Battery Powered Operation

Battery Level Monitoring & Compensation

–

 81% Efficiency at 800 mW

 Programmable Peak-Detect and Limiter

 Beep Generator w/Full Tone Control

 Phase-Aligned PWM Output Reduces Idle

–

Tone Selections Across Two Octaves

Separate Volume Control

Programmable On and Off Time Intervals

Continuous, Periodic, One-Shot Beep

Selections

Channel Current

 Spread Spectrum Modulation

 Low Quiescent Current

+1.65 V to +3.47 V

Interface Supply

+1.60 V to +5.25 V

Battery

Battery Level Monitoring & Compensation

Stereo/Mono

Full-Bridge

Speaker

Pulse-Width

Modulator

Outputs

Serial

Audio

Class D Amps

Input

Digital Volume,

Mono Mix,

Limiter, Bass,

Treble Adjust

Left HP/Line

Output

Multi-bit

ΔΣ DAC

Right HP/Line

Output

Reset

Ground-Centered

Amps

Beep

Generator

Summing

Amplifiers

Speaker/HP

Switch

I²C

Control

-VHP

Charge Pump

+VHP

+1.65 V to +2.63 V

Headphone Supply

+1.65 V to +2.63 V

Analog Supply

+1.65 V to +2.63 V

1 2 3 4

Digital Supply

Left

Inputs

Right

Inputs

MARCH '10

DS792F2

http://www.cirrus.com

12 3 4 5 6 7...66

中文翻译

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