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Cirrus Logic

CS5334 Datasheet Preview

CS5334 Datasheet

Stereo A/D Converter

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CS5334 CS5335
20-Bit, Stereo A/D Converter for Digital Audio
Features
CS5334
Dynamic Range: 100 dB
THD+N: -90 dB
CS5335
Dynamic Range: 105 dB
THD+N: -95 dB
128X Oversampling
Fully Differential Inputs
Linear Phase Digital Anti-Alias Filtering
21.7 kHz passband (fs = 48kHz)
85 dB stop band attenuation
0.0025 dB pass band ripple
High Pass Filter - DC offset removal
Peak Signal Level Detector
High Resolution and Bar Graph Modes
General Description
The CS5334 and CS5335 are 2-channel, single +5V
supply, pin compatable analog-to-digital converters for
digital audio systems. The CS5334 and CS5335 perform
sampling, analog-to-digital conversion and anti-alias fil-
tering, generating 20-bit values for both left and right
inputs in serial form. The output word rate can be up to
50 kHz per channel.
The CS5334 and CS5335 use 4th-order, delta-sigma
modulation with 128X oversampling followed by digital
filtering and decimation, which removes the need for an
external anti-alias filter. These ADCs use a differential
architecture which provides excellent noise rejection.
The CS5334 and CS5335 have a filter passband to
21.7kHz. The filter has linear phase, 0.0025 dB pass-
band ripple, and >85 dB stopband rejection. An on-chip
high pass filter is also included to remove DC offsets.
ORDERING INFORMATION:
Model
Temp. Range Package Type
CS5334-KS -10° to 70°C 20-pin Plastic SSOP
CS5335-KS -10° to 70°C 20-pin Plastic SSOP
VA+
3
VD+
6
RST
18
MCLK
7
OVFL
2
FRAME SCLK LRCK
10 8 12
CMOUT
15
Voltage Reference
AINL-
16
AINL+
17
S/H
LP Filter
DAC
Comparator
Serial Output Interface
SDATA
9
DIF0
20
19 DIF1
Digital Decimation
Filter
High Pass
Filter
AINR- 14
AINR+
13
S/H
LP Filter
DAC
4
AGND
Comparator
Digital Decimation
Filter
High Pass
Filter
5
DGND
11 1
PU HP DEFEAT
Preliminary Product Information
This document contains information for a new product. Crystal
Semiconductor reserves the right to modify this product without notice.
Crystal Semiconductor Corporation
P.O. Box 17847, Austin, TX 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.crystal.com
Copyright © Crystal Semiconductor Corporation 1996
(All Rights Reserved)
NOV ’96
DS237PP2
1




Cirrus Logic

CS5334 Datasheet Preview

CS5334 Datasheet

Stereo A/D Converter

No Preview Available !

CS5334 CS5335
ANALOG CHARACTERISTICS (TA = 25°C; VA+ = VD+ = 5V; -1 dBFS Input Sinewave, 997 Hz;
Fs = 48 kHz; MCLK = 12.288 MHz; SCLK = 3.072 MHz; Measurement Bandwidth is 10 Hz to 20 kHz unless
otherwise specified; Logic 0 = 0V, Logic 1 = VD+)
CS5334
CS5335
Parameter
Symbol Min Typ Max Min Typ Max Units
Resolution
Dynamic Performance
Dynamic Range
A-weighted
Total Harmonic Distortion + Noise
-1 dB
-20 dB
-60 dB
Interchannel Phase Deviation
Interchannel Isolation
(dc to 20 kHz)
dc Accuracy
Interchannel Gain Mismatch
Gain Error
Gain Drift
Offset Error
with HPF
HP defeat with CAL
Analog Input
Input Voltage Range
(Differential)
Input Impedance
Input Bias Voltage
Power Supplies
Power Supply Current
IA
ID
Power Down (IA+ID)
Power Dissipation
Normal
Power Down
Power Supply Rejection Ratio
THD+N
VIN
ZIN
20 -
- 20 -
-
TBD 100
TBD 97
- TBD 105
- TBD 102
-
-
- -90 TBD - -95 TBD
- -77 TBD - -82 TBD
- -37 TBD - -42 TBD
- 0.01 -
- 0.01 -
- 100 -
- 105 -
- 0.05 -
- - ±5
- 200 -
-0-
- +/- -
100
- 0.05 -
- - ±5
- 200 -
-0-
- +/- -
100
1.9 2.0 2.1 1.9 2.0 2.1
- 30 -
- 30 -
- 2.2 -
- 2.2 -
- 38 TBD - 40 TBD
- 25 TBD - 25 TBD
- 0.2 -
- 0.2 -
- 315 TBD - 325 TBD
- 1.0 -
- 1.0 -
- 50 -
- 55 -
Bits
dB
dB
dB
dB
dB
Degree
dB
dB
%
ppm/°C
LSB
LSB
Vrms
k
V
mA
mA
mA
mW
mW
dB
Specifications are subject to change without notice
2 DS237PP2


Part Number CS5334
Description Stereo A/D Converter
Maker Cirrus Logic
PDF Download

CS5334 Datasheet PDF






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