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WM9714L Datasheet (PDF) - Cirrus Logic

WM9714L Datasheet PDF - Cirrus Logic
Part # WM9714L
Download  WM9714L Download

File Size   2369.64 Kbytes
Page   120 Pages
Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic
Description AC??7 Audio Codec

WM9714L Datasheet (PDF)

Go To PDF Page Download Datasheet
WM9714L Datasheet PDF - Cirrus Logic

Part # WM9714L
Download  WM9714L Click to download

File Size   2369.64 Kbytes
Page   120 Pages
Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic
Description AC??7 Audio Codec

WM9714L Datasheet (HTML) - Cirrus Logic


WM9714L Product details

DESCRIPTION
The WM9714L is a highly integrated input/output device
designed for mobile computing and communications.
The chip is architected for dual CODEC operation, supporting hifi stereo CODEC functions via the AC link interface, and
additionally supporting voice CODEC functions via a PCM type
Synchronous Serial Port (SSP). A third, auxiliary DAC is
provided which may be used to support generation of
supervisory tones, or ring-tones at different sample rates to the
main CODEC.
The device can connect directly to mono or stereo microphones,
stereo headphones and a stereo speaker, reducing total
component count in the system. Cap-less connections to the
headphones, speakers, and earpiece may be used, saving cost
and board area. Additionally, multiple analogue input and output
pins are provided for seamless integration with analogue
connected wireless communication devices.
All device functions are accessed and controlled through a
single AC-Link interface compliant with the AC’97 standard. The
24.576 MHz master clock can be input directly or generated
internally from a 13MHz (or other frequency) clock by an on-chip
PLL. The PLL supports a wide range of input clock from
2.048MHz to 78.6MHz.
The WM9714L operates at supply voltages from 1.8V to 3.6V.
Each section of the chip can be powered down under software
control to save power. The device is available in a small
leadless 7x7mm QFN package, ideal for use in hand-held
portable systems.

FEATURES
 AC’97 Rev 2.2 compatible stereo CODEC
- DAC SNR 94dB, THD –85dB
- ADC SNR 87dB, THD –86dB
- Variable Rate Audio, supports all WinCE sample rates
- Tone Control, Bass Boost and 3D Enhancement
 On-chip 45mW headphone driver
 On-chip 400mW mono or stereo speaker drivers
 Stereo, mono or differential microphone input
- Automatic Level Control (ALC)
- Mic insert and mic button press detection
 Auxiliary mono DAC (ring tone or DC level generation)
 Seamless interface to wireless chipset
 Additional PCM/I2S interface to support voice CODEC
 PLL derived audio clocks.
 Supports input clock ranging from 2.048MHz to 78.6MHz
 1.8V to 3.6V supplies (digital down to 1.62V, speaker up to
4.2V)
 7x7mm 48-lead QFN package

APPLICATIONS
 Smartphones
 Personal Digital Assistants (PDA)
 Handheld and Tablet Computers




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About Cirrus Logic


Cirrus Logic is an American company that specializes in the design and manufacture of high-precision analog and mixed-signal integrated circuits (ICs).
The company was founded in 1984 and is headquartered in Austin, Texas, USA.
Cirrus Logic offers a wide range of products including audio converters, audio codecs, digital signal processors, and other analog and mixed-signal ICs.
The company's products are used in various applications such as consumer electronics, automotive audio systems, and professional audio equipment.
Cirrus Logic is known for its expertise in analog and mixed-signal technology, high-quality products, and innovation in the field of audio and voice processing.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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