參數(shù)資料
型號(hào): UDA1325H
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Universal Serial Bus USB CODEC
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP64
封裝: PLASTIC, QFP-64
文件頁數(shù): 2/52頁
文件大?。?/td> 310K
代理商: UDA1325H
1999 May 10
2
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) CODEC
UDA1325
FEATURES
General
High Quality USB-compliant Audio/HID device
Supports 12 Mbits/s serial data transmission
Fully USB Plug and Play operation
Supports ‘Bus-powered’ and ‘Self-powered’ operation
3.3 V power supply
Low power consumption with optional efficient power
control
On-chip clock oscillator, only an external crystal is
required.
Audio playback channel
One isochronous output endpoint
Supports multiple audio data formats (8, 16 and 24 bits)
Adaptive sample frequency support from 5 to 55 kHz
One master 20-bit I
2
S digital stereo playback output,
I
2
S and LSB justified serial formats
One slave 20-bit I
2
S digital stereo playback input,
I
2
S and LSB justified serial formats
Selectable volume control for left and right channel
Soft mute control
Digital bass and treble tone control
Selectable on-chip digital de-emphasis
Low total harmonic distortion (typical 90 dB)
High signal-to-noise ratio (typical 95 dB)
One stereo Line output.
Audio recording channel
One isochronous input endpoint
Supports multiple audio data formats (8, 16 and 24 bits)
Twelve selectable sample rates (4, 8, 16 or 32 kHz;
5.5125, 11.025, 22.05 or 44.1 kHz; 6, 12, 24 or 48 kHz)
via analog PLL (APLL).
Selectable sample rate between 5 to 55 kHz via a
second oscillator (optional)
One slave 20-bit I
2
S digital stereo recording input,
I
2
S and LSB justified serial formats
Programmable Gain Amplifier for left and right channel
Low total harmonic distortion (typical 85 dB)
High signal-to-noise ratio (typical 90 dB)
One stereo Line/Microphone input.
USB endpoints
2 control endpoints
2 interrupt endpoints
1 isochronous data sink endpoint
1 isochronous data source endpoint.
Document references
“USB Specification”
“USB Device Class Definition for Audio Devices”
“Device Class Definition for Human Interface Devices
(HID)”
“USB HID Usage Table”
“USB Common Class Specification”
相關(guān)PDF資料
PDF描述
UDA1325PS Universal Serial Bus USB CODEC
UDA1326PS USB AUDIO-CODEC(通用串行總線音頻編解碼器)
UDA1331H Universal Serial Bus USB Audio Playback Peripheral APP
UDA1334BT Low power audio DAC
UDA1334TS Low power audio DAC
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