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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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WM9714CLGEFL/V bảng dữ liệu(PDF) 1 Page - Cirrus Logic |
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WM9714CLGEFL/V bảng dữ liệu(HTML) 1 Page - Cirrus Logic |
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1 / 120 page  AC’97 Audio Codec http://www.cirrus.com Copyright Cirrus Logic, Inc., 2010–2016 (All Rights Reserved) Rev 4.0 DEC ‘16 WM9714L 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 hi- fi 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 BLOCK DIAGRAM MONO ALC / NOISE GATE TONE / BASS BOOST 3D MIC2A/COMP1/AUX1 MIC2B/COMP2/AUX2 LINER LINEL PCBEEP ADCSEL INTERRUPT LOGIC DCVDD DBVDD DGND2 HPVDD HPGND AC'97 INTERFACE AUX DAC MONOIN ADC L ADC R MICBIAS VREF AVDD AVDD2 AGND CAP2 50K 50K VREF DAC L DAC R HEADPHONE MIXER SPEAKER MIXER MONO MIXER AUX ADC INPUT PGAs RECORD SELECT RECORD VOLUME DGND1 SPKVDD SPKGND AGND2 AGND3 MICCM MIC1 - DIFFERENTIAL STEREO or MONO MICS PLL PCM/I 2S INTERFACE VOICE DAC - + DEAD BAT LOW BAT + - VREF / AUX4 Stereo Speaker (R) 8R Stereo Speaker (L) 8R HP 16/32R Ear Speaker 32R Hands-free 32R HPL HPR SPKL SPKR OUT3 OUT4 SPKVDD / 3 WM9714L POR AVDD DCVDD RESETB (pin 11) rb AUX4/GPIO8/ (SPDIF) |
Số phần tương tự - WM9714CLGEFL/V |
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Mô tả tương tự - WM9714CLGEFL/V |
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