uda1325 NXP Semiconductors, uda1325 Datasheet - Page 2

• Manufacturer Part Number: uda1325
• Description: Universal Serial Bus Usb Codec
• Manufacturer: NXP Semiconductors

Philips Semiconductors
FEATURES
General
Audio playback channel
1999 May 10
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.
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
I
One slave 20-bit I
I
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.
Universal Serial Bus (USB) CODEC
2
2
S and LSB justified serial formats
S and LSB justified serial formats
2
S digital stereo playback input,
2
S digital stereo playback output,
2
Audio recording channel
USB endpoints
Document references
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
I
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.
2 control endpoints
2 interrupt endpoints
1 isochronous data sink endpoint
1 isochronous data source endpoint.
“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” .
2
S and LSB justified serial formats
2
S digital stereo recording input,
Preliminary specification
UDA1325