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Part Name(s) : WM8860 WM8860GEFL/RV WM8860GEFL/V Wolfson
Wolfson Microelectronics plc
Description : MULTI-CHANNEL HIGH DEFINITION AUDIO CODEC View

DESCRIPTION
The WM8860 is a HIGH performance MULTI-CHANNEL AUDIO CODEC designed for HIGH performance portable PC AUDIO systems. The device offers full compatibility with the Intel HIGH DEFINITION AUDIO (HDA) specification revision 1.0, allowing seamless integration with industry-standard HDA controllers.

 

Part Name(s) : WM8850 WM8850GEFL WM8850GEFL/RV WM8850GEFL/V Wolfson
Wolfson Microelectronics plc
Description : MULTI-CHANNEL HIGH DEFINITION AUDIO CODEC View

DESCRIPTION
The WM8850 is a HIGH performance MULTI-CHANNEL AUDIO CODEC designed for HIGH performance PC AUDIO systems. The device offers full compatibility with the Intel HIGH DEFINITION AUDIO (HDA) specification revision 1.0,allowing seamless integration with industry-standard HDA controllers.

FEATURES
 MULTI-CHANNEL HIGH DEFINITION AUDIO CODEC
 Fully compatible with Intel HIGH DEFINITION AUDIO Revision 1.0
 6-Channel DAC, 4-channel ADC
 DAC sampling frequency 8kHz - 192kHz
 ADC sampling frequency 8kHz - 96kHz
 DAC Performance:
  - SNR 108 dB (‘A’ weighted)
  - SNR 105dB (non weighted)
  - THD -96dB (at 0dBFS)
 ADC Performance:
  - SNR 105 dB (‘A’ weighted)
  - SNR 102dB (non weighted)
  - THD -95dB (at -1dBFS)
 Ground-referenced stereo headphone driver
 Differential line inputs/outputs
 Stereo microphone interface with integrated pre-amp
 MULTI-CHANNEL digital microphone interface
 IEC-60958-3 compatible S/PDIF transceiver
 Additional IEC-60958-3 compatible S/PDIF transmitter
 Jack detect and load impedance sensing
 Beep generator
 GPIO functionality
 IEEE-754 Single precision 32-bit floating point support
 Power supplies
  - Digital core:  1.62V – 1.98V
  - Digital buffer:  2.97V – 3.63V
  - Analogue:  4.5V – 5.25V
  - Charge pump:  4.5V – 5.25V  48-pin 7mm x 7mm QFN package

APPLICATIONS
HIGH performance PC AUDIO
All-in-one desktop PC
Notebook PC

Part Name(s) : 92HD202 92HD202D 92HD202XX5PRGXYYX 92HD202DX5PRGXYYX IDT
Integrated Device Technology
Description : 8-CHANNEL HIGH DEFINITION AUDIO CODEC View

DESCRIPTION
The 92HD202 is a HIGH fidelity, 8-channel AUDIO CODEC compatible with Intel’s HIGH DEFINITION (HD) AUDIO Interface. The 92HD202 CODEC provides stereo 24-bit resolution with sample rates up to 192 KHz. SPDIF I/O provides connectivity to consumer electronic equipment. The 92HD202 CODEC incorporates IDTs proprietary  Σ∆ technology to achieve an estimated DAC SNR in excess of 95dB. The 92HD202 CODEC provides HIGH quality HD AUDIO capability to notebook and media centric desktop PC applications.

FEATURES
HIGH performance HD AUDIO CODEC provides Theater Quality AUDIO
• Targeted for designs meeting Premium Windows Logo Program
HIGH performance Σ∆technology
  • 95dB DAC SNR
• Intel HD AUDIO interface
• Eight Channel (4 DAC pairs and 2 stereo ADCs) with 24-bit resolution
• Sample Rates Up to 192 KHz
• Integrated Headphone Amps
• Stereo Microphone
  • Supports Stereo Microphone
  • Microphone Boost 0, 10, 20, 30, 40dB
• Direct CDROM Recording Mixerless Design
• SPDIF In and Out
• Two-Pin Volume Up/Down Control
• Impedance Sensing
• Universal Jacks™ Functionality for Jack Retasking
  • Headphone, Line Out, Line In and Microphone Support
    • Pins 35/36
    • Pins 39/41
  • Line Out, Line In and Microphone Support
    • Pins 16/17 (with strong line out)
    • Pins 23/24
    • Pins 21/22
  • Line In and Microphone Support
    • Pins 14/15
• Four Adjustable VREF Out pins for Microphone Bias
• Digital PC Beep to all outputs
• +5 V Analog Power Supply
• 48-pin LQFP package (7mm x 7mm)

Part Name(s) : 92HD001 92HD001XX3PRGXYYX 92HD001XX3PRGXYYX8 92HD001XX5PRGXYYX 92HD001XX5PRGXYYX8 IDT
Integrated Device Technology
Description : 2-CHANNEL HIGH DEFINITION AUDIO CODEC View

Description
The 92HD001 is a HIGH quality, 2-channel AUDIO CODEC compatible with the Intel HIGH DEFINITION (HD) AUDIO Interface. The 92HD001 provides Stereo 24-Bit resolution with sample rates up to 192 KHz. SPDIF I/O provides connectivity to consumer electronic equipment. The 92HD001 incorporates IDT's proprietary SD technology to achieve an estimated DAC SNR of 95dB. The 92HD001 provides HIGH quality, HD AUDIO capability to notebook and cost sensitive desktop PC applications.

Features
HIGH performance SDtechnology
• 95dB DAC SNR
• Intel HD AUDIO Interface
• Two Channel DACs and ADCs with 24-bit resolution
• Sample rates up to 192 KHz
• Mixer-less design
   • Low-latency Karaoke Mode Supported
• Integrated Headphone Amplifiers
• Stereo Microphone
   • Supports Stereo Microphone
   • Microphone Boost 0, 10, 20, 30, 40dB
• Direct CDROM Recording Mixerless Design
• S/PDIF In and Out
• Universal JacksTM Functionality for jack retasking
• Adjustable VREF Out
• Digital PC Beep to all outputs
• +3.3 V, and +5 V analog power supply options
• 48-pin LQFP 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) : LM4548A LM4548AVH National-Semiconductor
National ->Texas Instruments
Description : AC ?97 Rev 2 MULTI-CHANNEL AUDIO CODEC with Sample Rate Conversion and National 3D Sound View

General Description
The LM4548A is an AUDIO CODEC for PC systems which is fully PC98 compliant and performs the analog intensive functions of the AC ’97 Rev 2 architecture. Using 18-bit Sigma-Delta ADCs and DACs, the LM4548A provides 90 dB of Dynamic Range.

Features
■ AC ’97 Rev 2 compliant
HIGH quality Sample Rate Conversion from 4 kHz to 48 kHz in 1 Hz increments
■ Multiple CODEC support
■ True Line Level Output with separate gain control
■ National’s 3D Sound stereo enhancement circuitry
■ Advanced power management support
■ Digital 3.3V and 5V supply options
■ Extended Temperature: −40˚C ≤ TA ≤ 85˚C

Applications
■ Desktop PC AUDIO systems on PCI cards, AMR cards, or with motherboard chips sets featuring AC Link
■ Portable PC systems as on MDC cards, or with a chipset or accelerator featuring AC Link
■ General and MULTI-CHANNEL AUDIO frequency systems

Part Name(s) : AK4527B AK4527BVQ AKD4527B AKM
Asahi Kasei Microdevices
Description : HIGH Performance MULTI-CHANNEL AUDIO CODEC View

GENERAL DESCRIPTION
The AK4527B is a single chip CODEC that includes two channels of ADC and six channels of DAC. The ADC outputs 24bit data and the DAC accepts up to 24bit input data. The ADC has the Enhanced Dual Bit architecture with wide dynamic range. The DAC introduces the new developed Advanced Multi-Bit architecture, and achieves wider dynamic range and lower outband noise. An auxiliary digital AUDIO input interface maybe used instead of the ADC for passing AUDIO data to the primary AUDIO output port. Control may be set directly by pins or programmed through a separate serial interface. The AK4527B has a dynamic range of 102dB for ADC, 106dB for DAC and is well suited for digital surround for home theater and car AUDIO. An AC-3 system can be built with a IEC60958(SPDIF) receiver such as the AK4112A. The AK4527B is available in a small 44pin LQFP package which will reduce system space.

FEATURES
o 2ch 24bit ADC
- 64x Oversampling
- Sampling Rate up to 96kHz
- Linear Phase Digital Anti-Alias Filter
- Differential Inputs with single-ended use capability
- S/(N+D): 92dB
- Dynamic Range, S/N: 102dB
- Digital HPF for offset cancellation
- I/F format: MSB justified or I2S
- Overflow flag
o 6ch 24bit DAC
- 128x Oversampling
- Sampling Rate up to 96kHz
- 24bit 8 times Digital Filter
- Single-Ended Outputs
- On-chip Switched-Capacitor Filter
- S/(N+D): 90dB
- Dynamic Range, S/N: 106dB
- I/F format: MSB justified, LSB justified(20bit,24bit) or I2S
- Individual channel digital volume with 256 levels and 0.5dB step
- Soft mute
- De-emphasis for 32kHz, 44.1kHz and 48kHz
- Zero Detect Function
o HIGH Jitter Tolerance
o TTL Level Digital I/F
o 3-wire Serial and I2C Bus µP I/F for mode setting
o Master clock:256fs, 384fs or 512fs for fs=32kHz to 48kHz
128fs, 192fs or 256fs for fs=64kHz to 96kHz
o Power Supply: 4.5 to 5.5V
o Power Supply for output buffer: 2.7 to 5.5V
o Small 44pin LQFP

Part Name(s) : LM4549A LM4549AVH National-Semiconductor
National ->Texas Instruments
Description : AC ?97 Rev 2.1 MULTI-CHANNEL AUDIO CODEC with Sample Rate Conversion and National 3D Sound View

General Description
The LM4549A is an AUDIO CODEC for PC systems which is fully PC99 compliant and performs the analog intensive functions of the AC ’97 Rev 2.1 architecture. Using 18-bit Sigma-Delta ADCs and DACs, the LM4549A provides 90 dB of Dynamic Range.

Features
■ AC ’97 Rev 2.1 compliant
HIGH quality Sample Rate Conversion from 4 kHz to 48 kHz in 1 Hz increments
■ Multiple CODEC support
■ True Line Level Output with separate gain control
■ National’s 3D Sound stereo enhancement circuitry
■ Advanced power management support
■ External Amplifier Power Down (EAPD) control
■ PC-Beep passthrough to Line Out during Initialization or Cold Reset
■ Digital 3.3V and 5V supply options
■ Extended Temperature: −40˚C ≤ TA ≤ 85˚C

Applications
■ Desktop PC AUDIO systems on PCI cards, AMR cards, or with motherboard chips sets featuring AC Link
■ Portable PC systems as on MDC cards, or with a chipset or accelerator featuring AC Link
■ General and MULTI-CHANNEL AUDIO frequency systems

Part Name(s) : LM4549B LM4549BVH National-Semiconductor
National ->Texas Instruments
Description : AC ?97 Rev 2.1 MULTI-CHANNEL AUDIO CODEC with Sample Rate Conversion and National 3D Sound View

General Description
The LM4549B is an AUDIO CODEC for PC systems which is fully PC99 compliant and performs the analog intensive functions of the AC ’97 Rev 2.1 architecture. Using 18-bit Sigma-Delta ADCs and DACs, the LM4549B provides 90 dB of Dynamic Range.

Features
■ AC ’97 Rev 2.1 compliant
HIGH quality Sample Rate Conversion from 4 kHz to 48 kHz in 1 Hz increments
■ Multiple CODEC support
■ True Line Level Output with separate gain control
■ National’s 3D Sound stereo enhancement circuitry
■ Advanced power management support
■ External Amplifier Power Down (EAPD) control
■ PC-Beep passthrough to Line Out during Initialization or Cold Reset
■ Digital 3.3V and 5V supply options
■ Extended Temperature: −40˚C ≤ TA ≤ 85˚C

Applications
■ Desktop PC AUDIO systems on PCI cards, AMR cards, or with motherboard chips sets featuring AC Link
■ Portable PC systems as on MDC cards, or with a chipset or accelerator featuring AC Link
■ General and MULTI-CHANNEL AUDIO frequency systems
■ Automotive Telematics

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