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CX2077X 데이터시트(PDF) 1 Page - Synaptics Incorporated.

부품명 CX2077X
상세설명  On-Chip Voice//Audio DSP
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제조업체  CONEXANT [Synaptics Incorporated.]
홈페이지  https://www.synaptics.com/
Logo CONEXANT - Synaptics Incorporated.

CX2077X 데이터시트(HTML) 1 Page - Synaptics Incorporated.

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CX2077x USB Audio Codec IC with Integrated DSP
and Tri-color PWM LED Driver
Innovative cost-effective single-chip solution enables superior audio
Conexant’s CX2077x is the first USB audio
codec Integrated Circuit (IC) product family that
incorporates the functionality of a digital audio/
voice processor, USB audio codec, and Tri-
color Pulse-Width Modulator (PWM) driver, and
digital audio interfaces in one cost-effective,
single-chip package. The award-winning Digital
Signal Processor (DSP) runs a suite of turnkey
audio and voice algorithms that greatly
enhances the voice and audio experience. The
devices are part of Conexant’s embedded
audio solutions and are specifically designed
for USB audio peripherals, including headsets,
headphones, and microphones. The CX2077x
product family includes CX20773, CX20774,
and CX20776.
The on-chip DSP runs a suite of innovative
Conexant proprietary voice processing
algorithms and audio post processing effects
that dramatically improves sound quality and
frees up processing power for other
applications without compromising on cost and
future firmware scalability. Key audio
innovations include Subband Acoustic Echo
Cancellation, Dynamic Range Control, Inband
Microphone Noise Reduction, 3D, and
Microphone Auto Gain Control.
Conexant’s innovative CX2077x product family
contains an industry-first internal tri-color RGB
(red, green, blue) PWM driver and controller.
Each LED output contains an 8-bit resolution
PWM controller for brightness and dimming
control, enabling designers to create
differentiated user-friendly products. The on-
chip RGB PWM significantly reduces the Bill-of-
Material (BOM) costs.
The audio performance is optimized with stereo
high fidelity 24-bit DAC. All internal analog
circuitry uses differential signaling to guard
against noise coupling from interfering RF. The
external BOM cost is minimized with internal
PLL and headset in-rush circuit.
The CX2077x turnkey solutions eliminate the
need for a multiple-chip reference design,
making it easy and economical for
manufacturers to design high-quality audio
products. A complete evaluation kit with
reference board and all the necessary technical
documents and software is available.
Applications
Unified Communication USB
Headset
Skype Super-wideband Headset
Entertainment USB Headset/
Headphones
Gaming USB Headset
USB Microphone
Key Features
Benefits
USB Audio Codec with integrated DSP
Audio enhancement and optimization for speakers
and microphones
Tri-color PWM LED Driver
Configurable features for product differentiation
Advanced Voice and Audio DSP Algorithms
Improves audio and voice experience
Dual Stereo DMA Endpoints
Independent Gaming audio and voice audio
control
Digital Audio Interfaces
Connect to third party digital audio processor
Tri-color (RGB) PWM LED Driver
and controller
8-bit 256-step independent and
group brightness and dimming
control
9kB Controller RAM for firmware
extension and plug-in
Up to 18 GPIO
Volume, Mute, Hook, and LED
Infinity rotary wheel control
Press-N-Hold button support
4 wires external Co-processor
interface (I2S/SPDIF-Out)
In-rush Circuit Elimination Circuit
for Headset/Headphone
applications
Stereo Microphone input with
hardware boost and bias
35 mW Stereo Headphone driver
Jack Sense
Interface to controller LCD display
24-button keypad support
48-pin and 64-pin QFN Package
CX2077x Features
On-Chip Voice//Audio DSP
DSP support for 3D, EQ, NR,
AEC, BF,CNG, ST, AGC, and
DRC
USB Codex, 2.0 Full Speed
Stereo Input, Differential and Single-
ended
Microphone Input
Stereo Input, Single-ended for Line-in
Stereo Output, Differential and Single-
ended
Line Output
Stereo Headphone Driver, Single-
ended
HP Output
Dual Stereo DMA End Points
PCM/I2S, S/PDIF Digital Audio I/F(s)
UART, I2C
Stereo DAC/Stereo ADC
8, 16, 24, 32, 44.1, 48 kHz Sampling
rate
<100 mA operation for Headset/
Headphone Terminal Type


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