參數(shù)資料
型號(hào)： TLC320AD90C
廠商： Texas Instruments, Inc.
元件分類(lèi)： Codec
英文描述： Stereo Audio Codec(立體聲音頻編碼譯碼器)
中文描述： 立體聲音頻編解碼器（立體聲音頻編碼譯碼器）
文件頁(yè)數(shù)： 7/51頁(yè)
文件大?。?/td> 219K
代理商： TLC320AD90C
1–1
1 Introduction
The TLC320AD90C is designed to be 100% compliant with the audio codec ‘97 (AC‘97) standard
specification. The codec is designed to be controlled by a digital controller. The two fixed 48-kHz sample
rate DACs support a stereo PCM output channel that contains a mix, determined by the codec controller,
of all digital audio sources, including an internal synthesizer, and any other digital sources. The output of
these DACs is mixed with additional analog sources and sent to the independently-controlled LINE_OUT
output. For a speakerphone, the MONO_OUT output delivers either mic only or a mono mix of sources to
a telephony subsystem. The ADC path supports two channels of fixed 48-kHz sample rate inputs. The
standard stereo PCM input channel supports the record of any mono or stereo source, or a mix of sources.
1.1
Features
Compatible with INTEL audio codec ‘97 specification
Very high sound quality
Tone free ADC and DAC in PC environment
Exceeds many performance parameters of the AC‘97 specification
Serial (AC-Link) interface port
Standard 64-pin LQFP (TQFP) package
Full-duplex codec with 16-bit resolution ADC and DAC
48-kHz sample rate
Four analog stereo inputs: LINE_IN, CD, VIDEO, and AUX
Line level mono inputs for speakerphone and BEEP
Unique mono mic input allows quick switching from two different sources without pop noises
Buffered voltage reference output is designed for microphone biasing
Very high performance CDROM input rejects 5x – standard pseudo-diff design – yeilding 65 dB
rejection of CDROM servo noises
Very high PSRR – (55 dB – including very high frequency bands) 5x better than standard – low
noise easily obtained at system level
Very low interchannel crosstalk (<100 dB) preserves stereo fidelity
High fidelity linear phase FIR digital filter for ADC and DAC
High fidelity linear phase Bessel DAC filters utilized
ADC and DAC THD met for full scale (1 VRMS) levels
Stereo line level output
Mono output for speakerphone
Power management support
Low operating current consumption – typically less than 55 mA total when outputs are driving
10-k
loads
Very low standby current (100
μ
A) in power-down mode
Interfaces to 5-V or 3.3-V digital controller
相關(guān)PDF資料
PDF描述
TLC34076-110 Color-Palette(110MHz,與TLC34075兼容，另具24位和16位真彩色模式)
TLC34076-85 Color-Palette(85MHz,與TLC34075兼容，另具24位和16位真彩色模式)
TLC34076-170 Color-Palette(170MHz,與TLC34075兼容，另具24位和16位真彩色模式)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLC320AD91 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Stereo Audio Codec
TLC320AD91CPT 制造商:Rochester Electronics LLC 功能描述:- Bulk
TLC320V320CFN 制造商:Texas Instruments 功能描述:
TLC320V320CFNR 制造商:Texas Instruments 功能描述:
TLC320V340CFN 制造商:Texas Instruments 功能描述:
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