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參數(shù)資料
| 型號(hào)： | UDA1335H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Universal Serial Bus USB Audio Playback Recording Peripheral APRP |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 14 X 20 MM, 2.80 MM HEIGHT, PLASTIC, SOT-319-2, QFP-64 |
| 文件頁(yè)數(shù)： | 3/44頁(yè) |
| 文件大小： | 254K |
| 代理商： | UDA1335H |
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1998 Aug 28
3
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) Audio
Playback Recording Peripheral (APRP)
UDA1335H
The firmware for the microcontroller must be located in an
external (E)PROM.
The ADAC enables the wide and continuous range of input
sampling frequencies. By means of a Sample Frequency
Generator (SFG), the ADAC is able to reconstruct the
average sample frequency from the incoming audio
samples. The ADAC also performs the sound processing.
The ADAC consists of a FIFO, a unique audio feature
processing DSP, the SFG, digital upsampling filters, a
variable hold register, a Noise Shaper (NS) and a Filter
Stream DAC (FSDAC) with integrated filter and line output
drivers. The audio information is applied to the ADAC via
the USB processor or via the digital I/O input.
The ADIF consists of an Programmable Gain Amplifier
(PGA), an Analog-to-Digital Converter (ADC) and a
Decimator Filter (DF). An Analog Phase Lock Loop (APLL)
or oscillator is used for clocking the ADIF. The clock
frequency for the ADIF can be controlled via the
microcontroller. Several clock frequencies are possible for
sampling the analog input signal at different sampling
rates.
Via the digital I/O-bus, an external DSP can be used for
adding extra sound processing features for the audio
received from the PC.
The UDA1335H supports the digital I/O and the I
2
S-bus
interface, with standard I
2
S-bus data input format and the
LSB justified serial data input format with word lengths of
16, 18 and 20 bits.
The wide dynamic range of the bitstream conversion
technique used in the UDA1335H guarantees a high audio
sound quality.
APPLICATIONS
USB monitors
USB speakers
USB headsets
USB telephone/answering machines
USB links in consumer audio devices.
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
UDA1335H
QFP64
plastic quad flat package; 64 leads (lead length 1.95 mm);
body 14
×
20
×
2.8 mm
SOT319-2
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| UDA1340 | Low-voltage low-power stereo audio CODEC with DSP features |
| UDA1340M | Low-voltage low-power stereo audio CODEC with DSP features |
| UDA1342 | Audio CODEC |
| UDA1344 | Low-voltage low-power stereo audio CODEC with DSP features |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UDA1338H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multichannel audio coder-decoder |
| UDA1338H/N1 | 制造商:NXP Semiconductors 功能描述:IC CODEC AUDIO 44QFP |
| UDA1338H/N1,518 | 功能描述:音頻放大器 MULTICHANNEL CODEC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| UDA1338H/N1,557 | 功能描述:音頻放大器 MULTICHANNEL CODEC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| UDA1338HB | 功能描述:音頻放大器 MULTICHANNEL CODEC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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