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PDF EKA8561A Data sheet ( Hoja de datos )
| Número de pieza | EKA8561A | |
| Descripción | USB Audio Controller | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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eKA8561A
USB Audio Controller
Product
Specification
DOC. VERSION 0.1
ELAN MICROELECTRONICS CORP.
April 2006
1 page  
eKA8561A
USB Audio Controller
1 General Description
The eKA8561A is a USB digital audio controller with audio data processing that
supports 16-bit 2-channel format at 48 kHz sampling rate. The device has an
integrated USB transceiver, USB core, DAC, ADC, and I2S Input/Output. It can handle
a high-level USB protocol, and manages user interface via HID I/O pins.
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2 Features
USB Specification v1.1 Compliant
USB Audio and Human Interface Device (HID) Class v1.1 Compliant
Supports 12 Mbits/s Full Speed Serial Data Transmission
Supports 48K, 44.1kHz, 32kHz, 8kHz sampling rate
Single oscillator: 6MHz
Audio buffer size: 192×16 bits × 2
Total of four Endpoints: Endpoint 0 for control transfer , Endpoint 1 for audio
streaming out , Endpoint 2 for streaming in , Endpoint 3 for HID
Supports stereo/mono playback
Built-in 2-channel D/A Converter with 10-bit resolution
Built-in 1-channel A/D converter with 10-bit resolution
Alternative settings supported by the audio streaming-out interface:
ALT-0: (default setting) zero isochronous bandwidth
ALT-1: 16-bit PCM 2 channel
Alternative settings supported by the audio streaming-in interface:
ALT-0: (default setting) zero isochronous bandwidth
ALT-1: 16-bit PCM stereo
2 LED direct sink pins with internal serial resistor
RC Oscillator with internal RC
Total of 3 HID control pins (Mute Speaker, Volume Down, Volume Up)
Wake-up pin in HID control pin
Package: 48-pin LQFP
Product Specification (V0.1) 04.21.2006
(This specification is subject to change without further notice)
•1
5 Page 
eKA8561A
USB Audio Controller
8.2 Analog Electrical Characteristic
Parameter
ADC
ADC Resolution
ADC Sampling Frequency
Internal High Reference Voltage for ADC
Internal Low Reference Voltage for ADC
www.DataSheet4U.coPmre-Amplifier Spec.
Pre-Amplifier Voltage Gain
Gain Amplifier Spec.
Voltage Amplifier Gain
Output Voltage Swing
Output Voltage
ALC Circuit Spec.
ALC Detection Level
ALC Operating Range
LPF Spec
Pass-Band Ripple
Pass-Band Cutoff Frequency
Stop-Band Attenuation @ 24kHz
Stop-Band Attenuation @ 48kHz
DAC
DAC Resolution
DAC Sampling Frequency
Reference Voltage (Vref)
Minimum Analog Output Voltage
Maximum Analog Output Voltage
Full Scale Voltage Range
Analog Output Impedance at Each Output Pin
Analog Output Capacitance at Each Output Pin
External Load Impedance
Volume Control Step
Condition
-
-
-
-
-
-
-
-
MIC input = 7.5mV
-
-
-
-
-
-
-
-
-
-
VDA=3.3V
-
-
-
-
Min
-
-
-
-
19.5
49
-
0.85
-40
36
-
-
70
90
-
-
1.45
0.99
2.15
-5%
-
-
-
-
Typ
10
48
2.55
0.75
20
50
1.6
-
-
40
-
4
-
-
10
48
1.65
1.04
2.26
1.2
-
-
32
16
Max
-
-
-
-
20.5
51
2.45
-
44
0.5
-
-
-
-
-
1.85
1.09
2.37
+5%
200
20
-
-
Unit
Bits
kHz
V
V
dB
dB
Vp-p
V
dBm
dB
dB
kHz
dB
dB
Bits
kHz
V
V
V
V
Ω
pF
Ω
Step
Product Specification (V0.1) 04.21.2006
(This specification is subject to change without further notice)
•7
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet EKA8561A.PDF ] | |
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