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Anpec
Anpec Electronics
Description : 20W Stereo Digital Class-D Audio Power Amplifier

General Description
The APA3160A is a Digital input, Stereo, high efficiency, Class-D Audio Amplifier available in a TQFP7x7-48P package.
The APA3160A accepts the Digital serial Audio data and using the Digital Audio processor to convert the Audio data becomes the Stereo Class-D output speaker Amplifier. This provides the seamless integration between the codec and the speaker Amplifier.

Features
• Operating Voltage: 8.0V~24V for PVDD
    – 3.0V~3.6V for DVDD and AVDD
• High Efficiency Class-D Operation Eliminate the Need of Heatsinks
Digital Serial Audio Input (Stereo Output)
• I2C Control Interface
• Sampling Rate can Support from 32kHz to 192kHz
• Separated Volume Control from 24dB to Mute
• Soft Mute (50% Duty Cycle)
• Shutdown and Mute Function
• Thermal and Over-Current Protections With Auto-Recovery
• Space Saving Package TQFP7x7-48P
• Lead Free and Green Devices Available (RoHS Compliant)

Applications
• LCD TV

Anpec
Anpec Electronics
Description : 20W Stereo Digital Class-D Audio Power Amplifier With EQ and DRC

General Description
The APA3160 is a Digital input, Stereo, high efficiency, Class-D Audio Amplifier available in a TQFP7x7-48P package.
The APA3160 accepts the Digital serial Audio data and using the Digital Audio processor to convert the Audio data becomes the Stereo Class-D output speaker Amplifier. This provides the seamless integration between the codec and the speaker Amplifier.

Features
• Operating Voltage: 8.0V~24V for PVDD
    – 3.0V~3.6V for DVDD and AVDD
• High Efficiency Class-D Operation Eliminate the Need of Heatsinks
Digital Serial Audio Input (Stereo Output)
• I2C Control Interface
• Sampling Rate can Support from 32kHz to 192kHz
• Separated Volume Control from 24dB to Mute
• Soft Mute (50% Duty Cycle)
• Programmable Dynamic Range Compression
    – Power Limiter
    – Speaker Protection
    – Night-Mode Listening
• Programmable Biquads for Speaker EQ
• Shutdown and Mute Function
• Thermal and Over-Current Protections With Auto-Recovery
• Space Saving Package TQFP7x7-48P
• Lead Free and Green Devices Available (RoHS Compliant)

Applications
• LCD TV

ETC
Unspecified
Description : 12 TO 20 W HI FI Audio Power Amplifier

12 TO 20 W HI FI Audio Power Amplifier

The TDA 1512A is a monolithic integrated hi-fi Audio Power Amplifier designed for asymmetrical Power supplies for mains-fed apparatus.

Part Name(s) : CS5390 CS5390-KP
CRYSTEKCRYSTAL
Crystek Corporation
Description : 20-Bit, Stereo A/D Converter for Digital Audio

20-Bit, Stereo A/D Converter for Digital Audio

EUTECH
Eutech Microelectronics Inc
Description : 3-W Stereo Audio Power Amplifier With Advanced DC Volume Control

DESCRIPTOIN
The EUA6011A is a Stereo Audio Power Amplifier that drives 3 W/channel of continuous RMS Power into a 3-Ωload. Advanced dc volume control minimizes external components and allows BTL (speaker) volume control and SE (headphone) volume control. Notebook and pocket PCs benefit from the integrated feature set that minimizes external components Without sacrificing functionality.

FEATURES
Advanced DC Volume Control With 2-dB Steps From -40 dB to 20 dB
  -Fade Mode 
  -Maximum Volume Setting for SE Mode
  -Adjustable SE Volume Control
 Referenced to BTL Volume control
3 W into 3-ΩSpeakers 
Stereo Input MUX
Differential Inputs
RoHS Compliant and 100% Lead (Pb)-Free

APPLICATIONS
Notebook PC
LCD Monitors
Pocket PC

 

Part Name(s) : STA538 STA538B STA538Q
ST-Microelectronics
STMicroelectronics
Description : 2 x 1.3 W class-D Amplifier With analog or Digital input 2.0 multichannel Digital Audio processor With FFX

Introduction
The STA538 is a Digital Stereo class-D Audio Amplifier. It includes an Audio DSP, a ST proprietary high-efficiency class-D driver and CMOS Power output stage. It is intended for high-efficiency Digital-to-Power-Audio conversion for portable applications. The STA538 also provides output capabilities for FFXTM. In conjunction With a Power device, the STA538 provides high-quality Digital amplification.

Features
■ Up to 96 dB dynamic range
■ Sample rates from 8 kHz to 192 kHz
■ FFXTM class-D driver
■ 1.5 V to 1.95 V Digital Power supply
■ 1.5 V to 3.6 V analog Power supply
■ 18-bit Audio processing and class-D FFXTM modulator
Digital volume control:
   – +36 dB to 105 dB in 0.5 dB steps
   – Software volume update
■ Individual channel and master gain/attenuation
■ Automatic invalid input detect mute
■ 2-channel I2S input/output data interface
Digitally controlled POP-free operation
■ Input and output channel mapping
■ 250 mΩ output CMOS Rdson
■ > 90% efficiency
■ 2 x 1.3 W (10% THD) on 4 Ω at 3.6 V
■ 2 x 0.7 W (10% THD) on 8 Ω at 3.3 V
Stereo headphone plus mono speaker application:
   – 50 mW Stereo into 32 Ω headphone, 1.2 W mono into 4 Ω speaker at 3.3 V
   – 100 mW Stereo into 16 Ω headphone, 1.2 W mono into 4 Ω speaker at 3.3 V

ST-Microelectronics
STMicroelectronics
Description : 20 W + 20 W dual BTL class-D Audio Amplifier

Description
The TDA7491HV is a dual BTL class-D Audio Amplifier With single Power supply designed for LCD TVs and monitors. Thanks to the high efficiency and slug-down package no heatsink is required. Furthermore, the filterless operation allows a reduction in the external component count. The TDA7491HV is pin to pin compatible With the TDA7491P and TDA7491LP.

Features
20 W + 20 W continuous output Power:
   RL= 8 Ω, THD = 10% at VCC = 18 V
Wide range single supply operation (5 V - 19 V)
High efficiency (η= 90%)
Four selectable, fixed gain settings of 20 dB,26 dB, 30 dB and 32 dB
Differential inputs minimize common-mode noise
Filterless operation
No ‘pop’ at turn-on/off
Standby and mute features
Short circuit protection
Thermal overload protection
Externally synchronizable

Part Name(s) : TDA2005 TDA2005R
ST-Microelectronics
STMicroelectronics
Description : 20 W bridge/Stereo Amplifier for car radio

Description
The TDA2005 is a class B dual Audio Power Amplifier in Multiwatt11 package specifically designed for car radio applications.
Power booster Amplifiers can be easily designed using this device that provides a high current capability (up to 3.5 A) and can drive very low impedance loads (down to 1.6Ω in Stereo applications) obtaining an output Power of more than 20 W (bridge configuration).

Features
■ High output Power:
   – Po = 10 + 10 W @ RL = 2 Ω, THD = 10 %
   – Po = 20 W @ RL = 4 Ω, THD = 10 %.
■ Protection against:
   – Output DC and AC short circuit to ground
   – Overrating chip temperature
   – Load dump voltage surge
   – Fortuitous open ground
   – Very inductive loads
■ Loudspeaker protection during short circuit for one wire to ground

Part Name(s) : TK2070
TRIPATH
Tripath Technology Inc.
Description : Stereo 70W (4Ω) CLASS-T™ Digital Audio Amplifier DRIVER USING Digital Power PROCESSING (DPP™) TECHNOLOGY

GENERAL DESCRIPTION
The TK2070 (TC2001/TPS1035 chipset) is a bridged Stereo 70W continuous average Power per channel, Class-T Digital Audio Power Amplifier using Tripath’s proprietary Digital Power ProcessingTM technology. The TK2070 chipset consists of 1 TC2001 and 4 TPS1035’s to obtain a bridged Stereo configuration. Class-T Amplifiers offer both the Audio fidelity of Class-AB and the Power efficiency of Class-D Amplifiers.

FEATURES
Class-T Architecture
High Output Power
  70W @ 4Ω,10% THD+N Bridged
  40W @ 8Ω, 10% THD+N Bridged
Audiophile Quality Sound
  0.03% THD+N @ 35W 4Ω Bridged
  0.03% THD+N @ 25W 8ΩBridged
High Efficiency
  86% @ 70W 4ΩBridged
  92% @ 40W 8ΩBridged
Dynamic Range >100 dB

APPLICATIONS
5.1-Channel DVD
Mini/Micro Component Systems
Home Theater
Stereo applications (4Ω/ 8Ω)
Powered Subwoofer

NXP
NXP Semiconductors.
Description : 2-channel Audio Amplifier (SE: 1 W to 20 W or BTL: 4 W to 40 W)

General description
The TFA9843J contains two identical Audio Power Amplifiers. The TFA9843J can be used as two Single-Ended (SE) channels With a fixed gain of 26 dB or one Bridge-Tied Load (BTL) channel With a fixed gain of 32 dB. The TFA9843J comes in a 9-pin DIL-bent-SIL (DBS7P) Power package. The TFA9843J is pin compatible With the TFA9842J and TFA9841J.

Features
■ SE: 1 W to 20 W; BTL: 4 W to 40 W operation possibility
■ Soft clipping
■ Standby and mute mode
■ No on/off switching plops
■ Low standby current
■ High supply voltage ripple rejection
■ Outputs short-circuit protected to ground, supply and across the load
■ Thermally protected
■ Pin compatible With the TFA9842J and TFA9841J.

Applications
■ Television
■ PC speakers
■ Boom box
■ Mini and micro Audio receivers.

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