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UDA1338/UDA1338H pdf datasheet
消耗积分:3 |
格式:rar |
大小:666 |
2008-07-16
杨平
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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 configuration 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 I
2S-bus format with word lengths of up to 24 bits, the MSB-justified format with word
lengths of up to 24 bits and the LSB-justified 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-justified output format and the LSB-justified 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
I
2C-bus interface.
2. Features
2.1 General
n 2.7 V to 3.6 V power supply
n 5 V tolerant digital inputs
n 24-bit data path
n Selectable control: via L3-bus or I
2C-bus microcontroller interface
n Supports sample frequency ranges for:
u Audio ADC: fs = 16 kHz to 100 kHz
u Voice ADC: fs = 7 kHz to 50 kHz
u Audio DAC: fs = 16 kHz to 200 kHz
n Separate power control for ADC and DAC
n ADC plus integrated high-pass filter to cancel DC offset
n Integrated digital filter plus DAC
n Slave mode only applications
n Easy application
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 configuration 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 I
2S-bus format with word lengths of up to 24 bits, the MSB-justified format with word
lengths of up to 24 bits and the LSB-justified 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-justified output format and the LSB-justified 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
I
2C-bus interface.
2. Features
2.1 General
n 2.7 V to 3.6 V power supply
n 5 V tolerant digital inputs
n 24-bit data path
n Selectable control: via L3-bus or I
2C-bus microcontroller interface
n Supports sample frequency ranges for:
u Audio ADC: fs = 16 kHz to 100 kHz
u Voice ADC: fs = 7 kHz to 50 kHz
u Audio DAC: fs = 16 kHz to 200 kHz
n Separate power control for ADC and DAC
n ADC plus integrated high-pass filter to cancel DC offset
n Integrated digital filter plus DAC
n Slave mode only applications
n Easy application
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