AK4571 Datasheet, PDF (1/54 Pages) Asahi Kasei Microsystems – USB I/F Audio CODEC

ASAHI KASEI
[AK4571]
AK4571
:
n USB
12 Mbps bit rate
USB Serial Interface Engine SIE
Audio Class Processing Block
4 Endpoints
USB transceiver
n 16 bit codec
- A/D Converter
1 channel for Microphone
Pre-Amp (Fixed Gain: 20dB)
Mute/Volume Control
Programmable Gain Control
+24dB to –31dB ( 1dB step )
- D/A Converter
2 channel
- Mixer
Mute/Attenuation Control
+0dB to –47dB ( 1dB step )
Analog Bass Boost
n HID Support
-
-
&
n Power Management
-
n EEPROM Interface (Micrpwore Type)
- Descriptor
EEPROM
- 1K/2K/4K bit EEPROM
n On-chip PLL
7
8kHz, 11.025kHz, 16kHz, 22.05kHz,
32kHz, 44.1kHz, 48kHz
n Single Power Supply, Low Power
+3.3Volts±0.3V
n Package
48pin LQFP
USB I/F
Audio CODEC
:
AK4571 1ch A/D
2ch D/A
16bit CODEC
AK4571 USB I/F
1
USB
7
ADC DAC
PLL
SIE Serial Interface
Engine
FIFO
-31dB
20dB
1dB
D/A
+24dB
0dB -43dB 1dB
AK4571 HID
AK4571
AK4571
500uA
1uA
USB
Microwire
ID
EEPROM I/F
Vendor ID Product
AK4571
USB
MS0153-J-02
-1 -
2003/3