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

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) : WM8960 WM8960CGEFL/2RV WM8960CGEFL/RV WM8960CGEFL/V Wolfson
Wolfson Microelectronics plc
Description : Stereo Codec With 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications View

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) : WM8960 WM8960CGEFL/2RV WM8960CGEFL/RV WM8960CGEFL/V WM8960CGEFL Cirrus-Logic
Cirrus Logic
Description : Stereo Codec With 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications View

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

Part Name(s) : APA3160A APA3160AQCAI-TRG Anpec
Anpec Electronics
Description : 20W Stereo Digital Class-D Audio Power Amplifier View

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) : 92HD93 92HD93B2X5NLGXYYX 92HD93B2X5NLGXYYX8 IDT
Integrated Device Technology
Description : SINGLE CHIP PC Audio SYSTEM, Codec+Speaker Amplifier+CAPLESS HP + LDO + I2S View

SINGLE CHIP PC Audio SYSTEM
Codec+Speaker Amplifier+CAPLESS HP+LDO+I2S

Description
The 92HD93 single-chip Audio system is a low power optimized, high fidelity, 4-channel Audio Codec With integrated Speaker Amplifier, capless headphone Amplifier, and low drop out voltage regulator.

Features
• 4 Channels (2 Stereo DACs and 2 Stereo ADCs) With 24-bit resolution
• Supports full-duplex Stereo Audio and simultaneous VoIP
• Provides a mono output
• 2.1 Audio crossover support
• 2W/channel Class-D Stereo BTL Speaker Amplifier @ 4 ohms and 5V
• 10 band hardware parametric equalizer
• Hardware compressor limiter
• Capless headphone Amplifier With charge pump/LDO)
• I2S support (2 ports)
• Combo Jack Support allowing for dual-function headphone and headset detection
Speaker Protection
• Dedicated BTL high pass filter
• Mono bandpass filter
• Full HDA015-B low power support
• Internal digital core LDO voltage regulator
• Microsoft WLP desktop premium logo compliant
• Dual SPDIF for WLP compliant support of simultaneous HDMI and SPDIF output
• Support for 1.5V and 3.3V HDA signaling
• Two digital microphone inputs (mono, Stereo, or quad microphones)
• Microphone Mute Input
• High performance analog mixer
• 2 adjustable VREF Out pins for analog microphone bias
• 4 analog ports With port presence detect (3 single ended, 1 BTL)
• Analog and digital PC Beep support
• 48-pad QFN RoHS package

Part Name(s) : CX20671-11Z CX20671-21Z CX20671 ETC
Unspecified
Description : Low-Power Codec SoC With Integrated Class-D Stereo Amplifier for High Definition Audio View

[Conexant]

Overview
Conexants CX20671 HD Audio Codec SoC is a Low-Power,102 dB SNR, highperformance Audio Codec With integrated 2-WRMS (per channel) Stereo Speaker Amplifier With Spread Spectrum EMI dispersion technology. Two independent pairs of DACs and three independent pairs of ADCs support Multi-Streaming and Real Time Communications applications. The Audio fidelity of the device exceeds Microsoft WLP 4.0 Desktop and Notebook Premium Logo requirements. Additionally, the device achieves a high level of integration by featuring an integrated 5 V to 3.3 V Low-dropout (LDO) voltage regulator that guarantees high performance analog Audio performance Without incurring external BOM, and an integrated 3.3 V to 1.8 V low-dropout voltage regulator used to power internal digital blocks. features a ProC

CX20671 Audio Codec Features
♦ 24-bit, two pairs of independent DACs and three pairs of independent ADCs
♦ ProCoustic headphone driver, which delivers 50 mW into 32 Ω load With no pop, eliminating the need for an external Amplifier and DC-blocking capacitors
♦ Integrated 5 V to 3.3 V low-dropout voltage regulator for improved Audio performance, eliminating need for external regulator or power transistor
♦ Integrated 3.3 V to 1.8 V low-dropout voltage regulator, used to power digital blocks
♦ Integrated 2 WRMS (per channel) Class-D Stereo Speaker Amplifier With Spread Spectrum and 10-kV ESD Withstand capability
♦ Digital Microphone interface With internal MIC boost supporting 2 digital microphone elements
♦ Independent Sony Philips Digital Interface (SPDIF) Output supporting sample rates 44.1 kHz, 48 kHz, and 96 kHz, 16, 20, and 24-bit resolution
♦ Internal microphone boost
    – Digital: 0, 12, 24, 36, 48 dB
    – Analog: 0, 10, 20, 30, 40 dB
♦ Microphone Security Control (Contact Conexant Sales/FAE for additional information).
♦ Exceeds Vista/Windows 7 Desktop and Notebook Premium Logo Requirements, WLP4.0
♦ D-Flex power management exceeds Intel ECR 15B requirements, and features Wake-On-PCBeep functionality
♦ Hardware Headphone limiter bit (supports GS Mark EN50332-2)
♦ Compliant With Intel High Definition Audio Specification Rev. 1.0
♦ Supports both 1.5 V and 3.3 V signaling With the core logic chipset
♦ Retaskable ports
    – Configure between Headphone and Line-out or between Mic and Line-in
♦ Independent sampling rate for DAC and ADC; supports Audio formats ranging from 16-bit, 44.1 kHz to 24-bit, 192 kHz
♦ Pop Shield: pops and clicks reduction circuitry, including Class-D Speaker outputs
♦ Jack sense detects up to four jacks using only one sense pin
♦ Digital Mixer
♦ +3.3 V analog and I/O operation; uses Vaux for power management modes
Audio Director for Headphone and Internal Speakers Redirection (optional).
    – Supporting Classic Mode
    – Vista/Windows 7 Multi-Stream
    – Custom Multi-Stream Mode
♦ Voice Processing Algorithms (optional)
    – End-to-end Noise Reduction (patent pending)
    – Multi-band Acoustic Echo Cancellation
    – Side Noise Rejection Beam Forming
♦ SmartAudio GUI (optional) - advanced Audio control
♦ Digital Parametric SmartEQ With Dynamic Compression DSP (optional)
    – Enhances the sound quality on low cost Speakers
    – Night Mode
♦ 3D Expander
♦ Third Party Logo Software support includes
    – SRS
    – Dolby
    – Creative Labs
    – ForteMedia
    – andrea
    – MaaxAudio
    – Virage Logic
♦ Supports 32-bit/64-bit Windows OS and Linux
♦ Available in 40-pad thermally-enhanced QFN package

Part Name(s) : BD5471MUV ROHM
ROHM Semiconductor
Description : Analog Input Stereo Class-D Speaker Amplifier View

●Description
BD5471MUV is a low voltage drive Class-D Stereo Speaker Amplifier that was developed for note-book PC, cellular phone, mobile Audio products and the others. LCfilters of Speaker outputs are unnecessary, and only 7 external components are needed for Speaker system. Also, 3.3V regulator in BD5471MUV can use power supply for Audio-Codec. BD5471MUV, that is high-efficiency, low consumption, is suitable for application by using battery. Shutdown current is 0µA typically. Also,
start-up time is fast from shutdown to active mode. BD5471MUV can use for some applications that change mode between “shutdown state” and “active state”.


●Features
 1)  High power 2.3W typ. (VDD=5V, RL=4Ω, THD+N=10%, Stereo input)
  High power 1.5W typ. (VDD=5V, RL=8Ω, THD+N=10%, Stereo input)
 2)  Gain selectable by the external control (6, 12, 18, 24dB)
 3)  Pop noise suppression circuitry 
 4)  Standby function (Mute function) [ISD=0uA]
 5)  Protection circuitry (Shortprotection [Audio, REG], Thermal shutdown, Under voltage lockout)
 6)  Built-in 3.3V regulator 
 7)  Built-in BEEP detect circuitry 
 8)  Very small package VQFN024V4040


●Applications
Notebook computers,Mobile electronicapplications,Mobile phones,PDA etc.

Part Name(s) : 92HD90 92HD90B0X5NLGXYYX 92HD90B2X5NLGXYYX 92HD90B4X5NLGXYYX IDT
Integrated Device Technology
Description : SINGLE CHIP PC Audio SYSTEM, Codec+Speaker Amplifier+CAPLESS HP+LDO View

SINGLE CHIP PC Audio SYSTEM
Codec+Speaker Amplifier+CAPLESS HP+LDO+I2S

Description
The 92HD90 single-chip Audio system is a low power optimized, high fidelity, 4-channel Audio Codec With integrated Speaker Amplifier, capless headphone Amplifier, and low drop out voltage regulator.
Dual High Definition Audio and I2S Interfaces allow for docking Audio support With a single Codec.
The integrated combo jack allows for dual-function headphone and headset detection.
The integrated high-pass and band-pass filters allow for Hardware EQ and Speaker protection.
The high integration of the 92HD90 enables the smallest PCB footprint With the lowest system Audio BOM count and cost. The 92HD90 provides high quality HD Audio capability to notebook and business desktop PC applications.

Features
• 4 Channels (2 Stereo DACs and 2 Stereo ADCs) With 24-bit resolution
• Supports full-duplex Stereo Audio and simultaneous VoIP
• Provides a mono output
• 2.1 Audio crossover support
• 2W/channel Class-D Stereo BTL Speaker Amplifier @ 4 ohms and 5V
• 10 band hardware parametric equalizer
• Hardware compressor limiter
• Capless headphone Amplifier With charge pump/LDO)
• I2S support (2 ports)
• Combo Jack Support allowing for dual-function headphone and headset detection
Speaker Protection
• Dedicated BTL high pass filter
• Mono bandpass filter
• Full HDA015-B low power support
• Internal digital core LDO voltage regulator
• Microsoft WLP desktop premium logo compliant
• Dual SPDIF for WLP compliant support of simultaneous HDMI and SPDIF output
• Support for 1.5V and 3.3V HDA signaling
• Two digital microphone inputs (mono, Stereo, or quad microphones)
• High performance analog mixer
• 2 adjustable VREF Out pins for analog microphone bias
• 4 analog ports With port presence detect (3 single ended, 1 BTL)
• Analog and digital PC Beep support
• 48-pad QFN RoHS package

 

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

[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.

 

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