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參數(shù)資料
| 型號： | CS44L11 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | CONN DSUB RECEPT 15POS FER FLTR |
| 中文描述： | 低壓D類耳機放大器脈寬調(diào)制 |
| 文件頁數(shù)： | 1/34頁 |
| 文件大小： | 476K |
| 代理商： | CS44L11 |
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Copyright
Cirrus Logic, Inc. 2005
(All Rights Reserved)
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
http://www.cirrus.com
Low Voltage Class-D PWM Headphone Amplifier
Features
Up to 95 dB Dynamic Range
1.8 V to 2.4 V Analog and Digital Supplies
Sample Rates up to 96 kHz
Digital Tone Control
– 3 Selectable HPF and LPF Corner
Frequencies
– 12 dB Boost for Bass and Treble - 1 dB step
size
Programmable Digital Volume Control
– +18 to -96 dB in 1 dB steps
Peak Signal Soft Limiting
De-emphasis for 32 kHz, 44.1 kHz, and 48 kHz
Selectable Outputs for Each Channel, including
– Channel A: R, L, mono (L + R) / 2, mute
– Channel B: R, L, mono (L + R) / 2, mute
PWM PopGuard
23 mW/Channel into 16
@ 2.4 V
Description
The CS44L11 is a complete stereo digital-to-PWM
Class-D audio amplifier system controller including in-
terpolation, volume control, and a headphone amplifier
in a 16-pin TSSOP package.
The CS44L11 architecture uses a direct-to-digital ap-
proach that maintains digital signal integrity to the final
output filter. This minimizes analog interference effects
that can negatively affect system performance.
The CS44L11 contains on-chip digital bass and treble
boost, peak signal limiting, and de-emphasis. The PWM
amplifier can achieve greater than 90% efficiency. This
efficiency leads to longer battery life for portable sys-
tems, smaller device package, less heat sink
requirements, and smaller power supplies.
The CS44L11 is ideal for portable audio, headphone
amplifiers, and mobile phones.
ORDERING INFORMATION
CS44L11-CZZ, Lead Free -10 to 70 °C 16-pin TSSOP
Multibit
Σ
Modulator with
Correction
Multibit
Σ
Modulator with
Correction
Digital Volume
Control,
Bass/Treble
Boost,
Compression
Limiting,
De-emphasis
Control Port
SCL/DIF0
MCLK
Serial
Audio
Port
SDA/DEM
PWM
Conversion
PWM
Conversion
HP_B
VA_HPB
GND_HPB
Level
Shifter
VA_HPA
Level
Shifter
HP_A
GND_HPA
RST
Interpolation
SCLK
LRCK
Input Sampling Rate
LRCLK/MCLK Ratio
SDIN
VD
CS44L11
JULY '05
DS640PP4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CS44L11-CZZ | Low Voltage Class-D PWM Headphone Amplifier |
| CS4525_07 | 30 W Digital Audio Amplifier with Integrated ADC |
| CS4525 | 30 W Digital Audio Amplifier with Integrated ADC |
| CS4525-CNZ | 30 W Digital Audio Amplifier with Integrated ADC |
| CS4525-CNZR | 30 W Digital Audio Amplifier with Integrated ADC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS44L11-CZZ | 功能描述:音頻放大器 IC True Digital Class D Hdphn Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| CS44L11-CZZR | 功能描述:音頻放大器 IC True Digital Class D Hdphn Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| CS-44M | 功能描述:化學(xué)物質(zhì) SPONGE 2.7in x 2.7in RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Adhesives 類型:Epoxy Compound 大小:1.7 oz 外殼:Plastic Tube |
| CS-44M/625 | 功能描述:化學(xué)物質(zhì) SPONGE (10/PACK) RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Adhesives 類型:Epoxy Compound 大小:1.7 oz 外殼:Plastic Tube |
| CS45001D14 | 制造商:ON Semiconductor 功能描述: |
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