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Número de pieza | ET2314 | |
Descripción | 4-Channel Input Audio Processor | |
Fabricantes | ETEK | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de ET2314 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
No Preview Available ! Etek
Microelectronics
ET2314
4-Channel Input Audio Processor
General Description
ET2314 is a four-channel input digital audio processor utilizing CMOS Technology. Volume, Bass, Treble
and Balance are incorporated into a single chip. Loudness Function and Selectable Input Gain are also provided to
build a highly effective electronic audio processor having the highest performance and reliability with the least
external components. All functions are programmable using the I2C Bus. The pin assignments and application
circuit are optimized for easy PCB layout and cost saving advantage for audio application.
Features
z CMOS Technolog
z Least External Components
z Treble and Bass Control
z Loudness Function
z 4 Stereo Inputs with Selectable Input Gain
z Input/Output for External Noise Reduction System/Equalizer
z 2 Independent Speaker Controls for Balance Control
z Independent Mute Function
z Volume Control in 1.25 dB/step
z Low Distortion
z Low Noise and DC Stepping
z Controlled by I2C Bus Micro-Processor Interface
z Package: SOP28
Applications
z Car Stereo (Audio)
z Hi-Fi Audio System
1/11
Rev 1.0 2009-12-07
Free Datasheet http://www.datasheet-pdf.com/
1 page ET2314
Software Specification
ET2314 Address
ET2314 Address is shown below.
10001000
MSB
LSB
Data Bytes
MSB
LSB FUNCTION
0 0 B2 B1 B0 A2 A1 A0
Volume Control
1 1 0 B1 B0 A2 A1 A0
Speaker ATT L
1 1 1 B1 B0 A2 A1 A0
Speaker ATT R
0 1 0 G1 G0 S2 S1 S0
Audio Switch
0 1 1 0 C3 C2 C1 C0
Bass Control
0 1 1 1 C3 C2 C1 C0
Treble Control
where Ax = 1.25 dB steps; Bx = 10 dB steps; Cx = 2 dB steps; Gx = 3.75 dB/steps
Volume
The table below gives a detailed description of the Volume Data Bytes. For example, a volume of -37.5 dB is
given by 0 0 0 1 1 1 1 0.
MSB
0
0
00
LSB
B2 B1 B0 A2 A1 A0
000
001
010
011
100
101
110
111
B2 B1 B0 A2 A1 A0
000
001
010
011
100
101
110
111
FUNCTION
Volume 1.25 dB steps
0
-1.25
-2.5
-3.75
-5
-6.25
-7.5
-8.75
Volume 10 dB steps
0
-10
-20
-30
-40
-50
-60
-70
5/11
Rev 1.0 2009-12-07
Free Datasheet http://www.datasheet-pdf.com/
5 Page Package Dimension
SOP28
ET2314
18.00±0.10
0.406±0.10
1.27 2°~8°
0.16+-00..0150
2.34±0.10
Unit:mm
11/11
Rev 1.0 2009-12-07
Free Datasheet http://www.datasheet-pdf.com/
11 Page |
Páginas | Total 11 Páginas | |
PDF Descargar | [ Datasheet ET2314.PDF ] |
Número de pieza | Descripción | Fabricantes |
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