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Part Name(s) : NAU8401 NAU8401YG
ETC
Unspecified
Description : 24-bit Stereo Audio DAC With Speaker Driver / 32-QFN

The NAU8401 is a low power, high quality Audio output system for portable applications. In addition to precision 24-bit Stereo DACs, this device integrates a broad range of additional functions to simplify implementation of complete Audio systems. 

The NAU8401 includes drivers for Speaker, headphone, and Stereo line outputs, and integrates mixing of the DAC outputs With analog input signals. Advanced on-chip digital signal Processing includes a 5-band equalizer, a 3-D Audio enhancer, and a digital limiter/dynamic range compressor function for the playback path. The digital interface can operate as either a master or a slave.  Additionally, an internal fractional-N  PLL is available to generate accurate Audio sample rate clocks for the DAC derived from any available system clock from 8MHz through 33MHz.

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

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

Part Name(s) : PA5750
Protek-Devices
ProTek Devices.
Description : Low Power Stereo Audio CODEC With Speaker and Headphone Amplifier.

DESCRIPTION
The PA5750 is a high performance, low power and low cost Audio CODEC.
It consists of 2-channel ADC, 2-channel DAC, microphone Amplifier, Speaker Amplifier, headset Amplifier, digital enhancements and analog mixing and amplification functions.

FEATURES
ADC
• 24-bit, 8 – 96 kHz sampling frequency
• 92dB dynamic range, 92dB signal to noise ratio, -85dB THD+N
Stereo or Mono microphone interface With microphone Amplifier
• Auto level control and noise gate
• 3 to1 analog input selection
• Analog input mixers and Amplifiers

DAC
• 24-bit, 8 – 96 kHz sampling frequency
• 93dB dynamic range, 93dB signal to noise ratio, -81dB THD+N
• 500mWatt Speaker Amplifier
• 40mWatt headphone option, pop free, capless opt.
Stereo enhancement
• Bass and Treble
• Analog output mixers and Amplifiers

Low Power
• 1.8 to 3.3Volt operation
• 7mWatt playback, 16mWatt playback and record.

System
• I2C or SPI µC interface
• Headphone Detector
• 256Fs, 384Fs, USB 12MHz or 24MHz
• Master or Slave serial port
• I2S, Left Justified, DSP/PCM Mode

APPLICATIONS
• MP3 Players / Recorders
• AAC/WMA/Multi Format Players
• Portable Digital Music Systems
• GPS
• Bluetooth

Part Name(s) : TA2024
Unspecified2
Unspecified
Description : Stereo 10W (4Ω) Class-T™ Digital Audio Amplifier using Digital Power Processing™ Technology

[TRIPATH TECHNOLOGY, INC.]

General Description
The TA2024 is a 10W/ch continuous average two-channel Class-T Digital Audio Power Amplifier IC using Tripath’s proprietary Digital Power Processing™ technology. Class-T Amplifiers offer both the Audio fidelity of Class-AB and the power efficiency of Class-D Amplifiers.

 

Part Name(s) : TA2024B
Unspecified2
Unspecified
Description : Stereo 15W (4Ω) CLASS-T™ DIGITAL Audio Amplifier USING DIGITAL POWER Processing™ TECHNOLOGY

[TRIPATH TECHNOLOGY, INC]


GENERAL DESCRIPTION
The TA2024B is a 15W/ch continuous average two-channel Class-T Digital Audio Power Amplifier IC using Tripath’s proprietary Digital Power Processing™ technology. Class-T Amplifiers offer both the Audio fidelity of Class-AB and the power efficiency of Class-D Amplifiers.

Part Name(s) : TA2022
Unspecified1
Unspecified
Description : Stereo 90W (4Ω) CLASS-T™ DIGITAL Audio Amplifier DRIVER USING DIGITAL POWER Processing (DPP™) TECHNOLOGY

[TRIPATH TECHNOLOGY, INC]

GENERAL DESCRIPTION
The TA2022 is a 90W (4Ω) continuous average per channel Class-T Digital Audio Power Amplifier IC using Tripath’s proprietary Digital Power Processing (DPP™) technology. Class-T Amplifiers offer both the Audio fidelity of Class-AB and the power efficiency of Class-D Amplifiers.

 

Wolfson
Wolfson Microelectronics plc
Description : Stereo CODEC With 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications

DESCRIPTION
The WM8960 is a low power, high quality Stereo CODEC designed for portable digital Audio applications. Stereo class D Speaker drivers provide 1W per channel into 8 loads With a 5V supply. Low leakage, excellent PSRR and pop/click suppression mechanisms also allow direct battery connection to the Speaker supply. Flexible Speaker boost settings allow Speaker output power to be maximised while minimising other analogue supply currents.
A highly flexible input configuration for up to three Stereo sources is integrated, With a complete microphone interface.
External component requirements are drastically reduced as no separate microphone, Speaker or headphone Amplifiers are required. Advanced on-chip digital signal Processing performs automatic level control for the microphone or line input.
Stereo 24-bit sigma-delta ADCs and DACs are used With low power over-sampling digital interpolation and decimation filters and a flexible digital Audio interface.
The master clock can be input directly or generated internally by an onboard PLL, supporting most commonly-used clocking schemes.

FEATURES
DAC SNR 98dB (‘A’ weighted), THD -84dB at 48kHz, 3.3V
● ADC SNR 94dB (‘A’ weighted), THD -82dB at 48kHz, 3.3V
● Pop and click suppression
● 3D Enhancement
Stereo Class D Speaker Driver
   - <0.1% THD With 1W per channel into 8 BTL Speakers
   - 70dB PSRR @217Hz
   - 87% efficiency (1W output)
   - Flexible internal switching clock
● On-chip Headphone Driver
   - 40mW output power into 16 at 3.3V
   - Capless mode support
   - THD -75dB at 20mW, SNR 90dB With 16 load
● Microphone Interface
   - Pseudo differential for high noise immunity
   - Integrated low noise MICBIAS
   - Programmable ALC / Limiter and Noise Gate
● Low Power Consumption
● Low Supply Voltages
   - Analogue 2.7V to 3.6V (Speaker supply up to 5.5V)
   - Digital core and I/O: 1.71V to 3.6V
● On-chip PLL provides flexible clocking scheme
● Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48
● 5x5x0.9mm QFN package

APPLICATIONS
● Games consoles
● Portable media / DVD players
● Mobile multimedia

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

Description : Stereo CODEC With 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications

DESCRIPTION
The WM8960 is a low power, high quality Stereo CODEC designed for portable digital Audio applications.
Stereo class D Speaker drivers provide 1W per channel into 8Ω loads With a 5V supply. Low leakage, excellent PSRR and pop/click suppression mechanisms also allow direct battery connection to the Speaker supply. Flexible Speaker boost settings allow Speaker output power to be maximised while minimising other analogue supply currents.
A highly flexible input configuration for up to three Stereo sources is integrated, With a complete microphone interface. External component requirements are drastically reduced as no separate microphone, Speaker or headphone Amplifiers are required. Advanced on-chip digital signal Processing performs automatic level control for the microphone or line input.

FEATURES
DAC SNR 98dB (‘A’ weighted), THD -84dB at 48kHz, 3.3V
● ADC SNR 94dB (‘A’ weighted), THD -82dB at 48kHz, 3.3V
● Pop and click suppression
● 3D Enhancement
Stereo Class D Speaker Driver
   - <0.1% THD With 1W per channel into 8Ω BTL Speakers
   - 70dB PSRR @217Hz
   - 87% efficiency (1W output)
   - Flexible internal switching clock
● On-chip Headphone Driver
   - 40mW output power into 16 at 3.3V
   - Capless mode support
   - THD -75dB at 20mW, SNR 90dB With 16 load
● Microphone Interface
   - Pseudo differential for high noise immunity
   - Integrated low noise MICBIAS
   - Programmable ALC / Limiter and Noise Gate
● Low Power Consumption
● Low Supply Voltages
   - Analogue 2.7V to 3.6V (Speaker supply up to 5.5V)
   - Digital core and I/O: 1.71V to 3.6V
● On-chip PLL provides flexible clocking scheme
● Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48
● 5x5x0.9mm QFN package

APPLICATIONS
● Games consoles
● Portable media / DVD players
● Mobile multimedia

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