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UDA1330ATS-5, UDA1330ATSDK, UDA1331H

Table of contents:
Info of UDA1330ATS-5
Info of UDA1330ATSDK
Info of UDA1331H

UDA1330ATS-5, UDA1330ATSDK, UDA1331H Selling Leads, Datasheet

MFG:PHILIPS Package Cooled:SOP D/C:04+

UDA1330ATS-5, UDA1330ATSDK, UDA1331H Picture

UDA1330ATS-5, UDA1330ATSDK, UDA1331H Datasheet download

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Part Number: UDA1330ATS-5

MFG: PHILIPS

Package Cooled: SOP

D/C: 04+

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UDA1331H General Description

The UDA1331H is a stereo CMOS digital-to-analog bitstream converter designed for USB-compliant audio playback devices and multimedia audio applications. The UDA1331H is an adaptive asynchronous sink USB audio device with a continuous sampling frequency (f_s) range from 5 to 55 kHz. It contains a USB interface, an embedded microcontroller and an Asynchronous Digital-to-Analog Converter (ADAC).

The USB interface is the interface between the USB, the ADAC and the microcontroller. The USB interface consists of an analog front-end and a USB processor. The analog front-end transforms the differential USB data to a digital data stream. The USB processor buffers the input and output data from the analog front-end and handles all low-level USB protocols. The USB processor selects the relevant data from the universal serial bus, performs an extensive error detection and separates control information (input and output) and audio information (input only).

The control information becomes accessible at the microcontroller. The audio information becomes available at the digital I/O output or is fed directly to the ADAC. The microcontroller handles the high-level USB protocols, translates the incoming control requests and manages the user interface via General Purpose (GP) pins and an I²C-bus. 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 FIFO registers, a unique audio feature processing DSP, the SFG, digital up-sampling 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.

An external DSP can be used for adding extra sound processing features via the digital I/O-bus.

The UDA1331H supports the standard I²S-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 UDA1331H guarantees a high audio sound quality.

UDA1331H Maximum Ratings

SYMBOL	PARAMETER	CONDITIONS	MIN.	TYP.	MAX.	UNIT
All digital I/Os
V_I/O	DC input/output voltage range		-0.5	-	VDD	V
I_O	output current		-	-	4	mA
Temperature
T_j	junction temperature		0	-	125
T_stg	storage temperature		-55	-	+150
T_amb	operating ambient temperature		0	25	70
Electrostatic handling
V_es	electrostatic handling	note 1	-3000	-	+3000	V
V_es	electrostatic handling	note 1	-300	-	+300	V

Notes
1. Equivalent to discharging a 100 pF capacitor through a 1.5 k series resistor.
2. Equivalent to discharging a 200 pF capacitor through a 2.5 H series inductor and a 25 resistor.

UDA1331H Features

General
` Universal Serial Bus (USB) stereo Audio Playback Peripheral (APP) system with adaptive (5 to 55 kHz)
20-bits digital-to-analog conversion and filtering
` USB-compliant audio and Human Interface Device (HID)
` Supports 12 Mbits/s full-speed serial data transmission
` Supports multiple audio data formats (8, 16 and 24 bits)
` Supports headphone and line output
` Fully automatic 'Plug-and-Play' operation
` High linearity
` Wide dynamic range
` Superior signal-to-noise ratio (typical 95 dB)
` Low total harmonic distortion (typical 90 dB)
` 3.3 V power supply
` Efficient power management
` Low power consumption
` On-chip master clock oscillator, only an external crystal is required
` Partly programmable USB descriptors and configuration via I²C-bus.
Sound processing
` Separate digital volume control for left and right channel
` Soft mute
` Digital bass and treble tone control
` External Digital Sound Processor (DSP) option possible via standard I²S-bus or Japanese digital I/O format
` Selectable clipping prevention
` Selectable Dynamic Bass Boost (DBB)
` On-chip digital de-emphasis.
Document references
` "USB Specification"
` "USB Common Class Specification"
` "USB Device Class Definition for Audio Devices"
` "Device Class Definition for Human Interface Devices (HID)"
` "USB HID Usage Table".

UDA1331H Typical Application

· USB monitors
· USB speakers
· USB headsets
· USB telephone/answering machines
· USB links in consumer audio devices.

UDA1331H Connection Diagram

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