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PDF CS3310 Data sheet ( Hoja de datos )
| Número de pieza | CS3310 | |
| Descripción | Stereo Digital Volume Control | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CS3310 (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
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CS3310
Stereo Digital Volume Control
Features
z Complete Digital Volume Control
— 2 Independent Channels
— Serial Control
— 0.5 dB Step Size
z Wide Adjustable Range
— -95.5 dB Attenuation
— +31.5 dB Gain
z Low Distortion & Noise
— 0.001% THD+N
— 116 dB Dynamic Range
z Noise Free Level Transitions
z Channel-to-Channel Crosstalk Better Than
110 dB
Description
The CS3310 is a complete stereo digital volume control
designed specifically for audio systems. It features a 16-
bit serial interface that controls two independent, low-
distortion audio channels.
The CS3310 includes an array of well-matched resistors
and a low noise active output stage that is capable of
driving a 600 Ω load. A total adjustable range of 127 dB,
in 0.5 dB steps, is achieved through 95.5 dB of attenua-
tion and 31.5 dB of gain.
The simple 3-wire interface provides daisy-chaining of
multiple CS3310's for multi-channel audio systems.
The device operates from ±5 V supplies and has an in-
put/output voltage range of ±3.75 V.
ORDERING INFORMATION
CS3310-KS
0° to 70° C 16-pin Plastic SOIC
CS3310-KSZ, Lead Free 0° to 70° C 16-pin Plastic SOIC
AINL 16
AGNDL 15
AGNDR 10
AINR 9
+
-
MUX
8
8
Control
Register
8
8
MUX
-
+
12 13
VA+ VA-
4
VD+
16
Serial to
Parallel
Register
14 AOUTL
8 MUTE
1 ZCEN
2 CS
3 SDATAI
7 SDATAO
6 SCLK
5
DGND
11 AOUTR
Cirrus Logic, Inc.
www.cirrus.com
Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved)
SEPTEMBER '05
DS82F1
1
1 page  
CS3310
+
10 µ F
10**
0.1 µ F
14
ZCEN VD+
CONTROLLER
2
CS
3
SDATAI
6
SCLK
8 MUTE
AUDIO
SOURCE
16
AINL
9
AINR
CS3310
12 0.1 µ F
VA+
13
VA-
0.1 µ F
+
10 µ F
+5V ANALOG
0.1 µ F
+
10 µ F
-5V ANALOG
7
SDATAO
*
47 kΩ
14
AOUTL
11
AOUTR
AUDIO
OUTPUTS
TO ANOTHER
CS3310 OR
CONTROLLER
DGND
AGNDL AGNDR
5 15 10
*Required to terminate SDATAI due to high impedance
state of SDATAO when CS is high.
**Refer to Note 3.
Figure 2. Recommended Connection Diagram
DS82F1
5
5 Page 
CS3310
Figure 7 is a 16k FFT plot demonstrating the crosstalk performance of the CS3310 at 20 kHz.
Both channels were set to unity gain. The right channel input is grounded with the left channel
driven to 2.65 Vrms output at 20 kHz. The FFT plot is of the right channel output. This indicates
channel to channel crosstalk of -130 dB at 20 kHz.
Figure 10 is a series of plots which display the unity-gain THD+N vs. Frequency for 600 Ω, 2 kΩ
and infinite load conditions. The output was set to 2 Vrms. The Audio Precision System One was
bandlimited to 22 kHz
Figure 11 is a series of plots which display the unity-gain THD+N vs. Frequency for 1, 2 and 2.8
Vrms output levels. The output load was open circuit. The Audio Precision System One was
bandlimited to 22 kHz.
DS82F1
11
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet CS3310.PDF ] | |
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