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Cirrus Logic

CS3310 Datasheet Preview

CS3310 Datasheet

Stereo Digital Volume Controller

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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 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




Cirrus Logic

CS3310 Datasheet Preview

CS3310 Datasheet

Stereo Digital Volume Controller

No Preview Available !

CS3310
ANALOG CHARACTERISTICS (TA = 25 °C, VA+, VD+ = 5 V ± 5%; VA- = -5V ± 5%; Rs = 0; RL =
2 k; CL = 20 pF; 10 Hz to 20 kHz Measurement Bandwidth; unless otherwise specified)
Parameter
Symbol Min
Typ
Max
Unit
DC Characteristics
Step Size
- 0.5 - dB
Gain Error (31.5 dB Gain)
- ±0.05 - dB
Gain Matching Between Channels
- ±0.05 - dB
Input Resistance
Input Capacitance
AC Characteristics
RIN 8 10 - k
CIN - 10 - pF
Total Harmonic Distortion plus Noise (V in = 2V rms, 1 kHz) THD+N
-
0.001 .0025
%
Dynamic Range
110 116
- dB
Input/Output Voltage Range
(VA-)+1.25 - (VA+)-1.25 V
Output Noise
(Note 1)
- 4.2 8.4 µVrms
Digital Feedthrough (Peak Component)
(Note 2)
-80 -
- dB
Interchannel Isolation (1 kHz)
(Note 2)
-100
-110
-
dB
Output Buffer
Offset Voltage
Load Capacitance
(Note 1) VOS
-
0.25
0.75
mV
- - 100 pF
Short Circuit Current
- 20 - mA
Unity Gain Bandwidth, Small Signal
(Note 2)
2 - - MHz
Power Supplies
Supply Current (No Load, AIN = 0 V)
IA+ -
7.0 9.0 mA
IA- - 7.0 9.0 mA
ID+ - 450 800 µA
Power Consumption
Power Supply Rejection Ratio (250 Hz)
PD
PSRR
-
-
72 94 mW
80 - dB
Notes: 1. Measured with input grounded and Gain = 1. Will increase as a function of Gain settings >1.
2. This parameter is guaranteed by design and/or characterization.
2 DS82F1


Part Number CS3310
Description Stereo Digital Volume Controller
Maker Cirrus Logic
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CS3310 Datasheet PDF






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