參數(shù)資料
型號： UDA1338H/N1,557
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： Multichannel audio coder-decoder; Package: SOT307-2 (QFP44); Container: Tray Dry Pack, Bakeable, Multiple
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝： 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù)： 1/54頁
文件大?。?/td> 269K
代理商： UDA1338H/N1,557
1.
General description
The UDA1338H is a single-chip consisting of 4 plus 1 analog-to-digital converters and
6 digital-to-analog converters with signal processing features employing bitstream
conversion techniques. The multichannel conguration makes the device eminently
suitable for use in digital audio equipment which incorporates surround feature.
The UDA1338H supports conventional 2 channels per line data transfer conformable to
the I2S-bus format with word lengths of up to 24 bits, the MSB-justied format with word
lengths of up to 24 bits and the LSB-justied format with word lengths of 16 bits, 20 bits
and 24 bits, as well as 4 to 6 channels per line transfer mode. The device also supports a
combination of the MSB-justied output format and the LSB-justied input format. The
UDA1338H has special sound processing features in the Direct Stream Digital (DSD)
playback mode, de-emphasis, volume and mute which can be controlled via the L3-bus or
I2C-bus interface.
2.
Features
2.1 General
s 2.7 V to 3.6 V power supply
s 5 V tolerant digital inputs
s 24-bit data path
s Selectable control: via L3-bus or I2C-bus microcontroller interface
s Supports sample frequency ranges for:
x Audio ADC: fs = 16 kHz to 100 kHz
x Voice ADC: fs = 7 kHz to 50 kHz
x Audio DAC: fs = 16 kHz to 200 kHz
s Separate power control for ADC and DAC
s ADC plus integrated high-pass lter to cancel DC offset
s Integrated digital lter plus DAC
s Slave mode only applications
s Easy application
UDA1338H
Multichannel audio coder-decoder
Rev. 03 — 16 February 2005
Product data sheet
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