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參數資料
| 型號： | UDA1325PS |
| 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, PDIP42 |
| 封裝： | 0.600 INCH, PLASTIC, SDIP-42 |
| 文件頁數： | 2/52頁 |
| 文件大小： | 310K |
| 代理商： | UDA1325PS |
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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”
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