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.
●FEATURES
●General
●• 2.7 to 3.6 V power supply
●• 5 V tolerant digital inputs
●• 24-bit data path
●• Selectable control: via L3-bus or I2C-bus microcontroller interface
●• Supports sample frequency ranges for:
● – Audio ADC: fs = 16 to 100 kHz
● – Voice ADC: fs = 7 to 50 kHz
● – Audio DAC: fs = 16 to 200 kHz.
●• Separate power control for ADC and DAC
●• ADC plus integrated high-pass filter to cancel DC offset
●• Integrated digital filter plus DAC
●• Slave mode only applications
●• Easy application.
●Multiple format data interface
●• Audio interface supports standard I2S-bus, MSB-justified, LSB-justified and two multichannel formats
●• Voice interface supports I2S-bus and mono channel formats.
●Digital sound processing
●• Control via L3-bus or I2C-bus:
● – Channel independent digital logarithmic volume
● – Digital de-emphasis for fs = 32, 44.1, 48 or 96 kHz
● – Soft or quick mute
● – Output signal polarity control.
●Advanced audio configuration
●• Inputs:
● – 4 single-ended audio inputs (2 × stereo) with programmable gain amplifiers
● – 1 single-ended voice input
●• Outputs:
● – 6 differential audio outputs (3 × stereo)
●• DSD mode to support stereo DSD playback
●• High linearity, wide dynamic range and low distortion
●• DAC digital filter with selectable sharp or soft roll-off.
●APPLICATIONS
●• Excellently suitable for multichannel home audio-video application.
