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PDF CS5343 Data sheet ( Hoja de datos )
| Número de pieza | CS5343 | |
| Descripción | (CS5343 / CS5344) Multi-Bit Audio A/D Converter | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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Draft
3/10/15
CS5343/4
98 dB, 96 kHz, Multi-Bit Audio A/D Converter
Features
Advanced Multi-Bit Architecture
24-bit Conversion
Supports Audio Sample Rates Up to 108 kHz
98 dB Dynamic Range at 5 V
-92 dB THD+N at 5 V
Low-Latency Digital Filter
High-Pass Filter to Remove DC Offsets
Single +3.3 V or +5 V Power Supply
Power Consumption < 40 mW at 3.3 V
Master or Slave Operation
Slave Mode Speed Auto-Detect
Master Mode Default Settings
256x or 384x MCLK/LRCK Ratio
CS5343 Supports I²S Audio Format
CS5344 Supports Left-Justified Audio Format
General Description
The CS5343/4 is a complete analog-to-digital converter
for digital audio systems. It performs sampling, analog-
to-digital conversion, and anti-alias filtering, generating
24-bit values for both left and right inputs in serial form
at sample rates up to 108 kHz per channel.
The CS5343/4 uses a 3rd-order, multi-bit Delta-Sigma
modulator followed by a digital filter, which removes the
need for an external anti-alias filter.
The CS5343/4 also features a high-impedance sam-
pling network which eliminates costly external
components such as op-amps.
The CS5343/4 is available in a 10-pin TSSOP package
for both Commercial (-40° to +85° C) and Automotive
grades (-40° to +105° C). The CDB5343 Customer
Demonstration Board is also available for device evalu-
ation and implementation suggestions. Please refer to
the “Ordering Information” on page 19 for complete
details.
The CS5343/4 is ideal for audio systems requiring wide
dynamic range, negligible distortion and low noise, such
as set-top boxes, DVD-karaoke players, DVD record-
ers, A/V receivers, and automotive applications.
VA
3.3 V to 5 V
Single-Ended
Analog Input
High-Z
AINL Sampling
Network
FILT+
VQ
Internal
Reference
Voltages
High-Pass
Filter
Low-Latency
Digital Filters
Single-Ended
Analog Input
High-Z
AINR Sampling
Network
High-Pass
Filter
Low-Latency
Digital Filters
Auto-detect
MCLK Divider
Slave Mode
Auto-detect
Master
Clock
SCLK
LRCK
SDOUT
http://www.cirrus.com
Copyright Cirrus Logic, Inc. 2006–2015
(All Rights Reserved)
MAR '15
DS687F5
1 page  
Draft
3/10/15
CS5343/4
ANALOG CHARACTERISTICS - COMMERCIAL GRADE (-CZZ)
Test conditions (unless otherwise specified): TA = 25C; Input test signal is a 997 Hz sine wave through recom-
mended inputs as seen in Figure 6 on page 14; source impedance less than or equal to 2.5 k; valid with FILT+
and VQ components as shown in Figure 3 on page 11; measurement bandwidth is 10 Hz to 20 kHz; Fs = 48 kHz
or 96 kHz.
Dynamic Performance for Commercial Grade
Dynamic Range
Symbol
A-weighted
unweighted
Total Harmonic Distortion + Noise
(Note 4)
-1 dB
-20 dB
THD+N
-60 dB
Dynamic Performance for Commercial Grade
Interchannel Isolation
DC Accuracy
Interchannel Gain Mismatch
Gain Error
Gain Drift
Analog Input Characteristics
Full-scale Input Voltage
VA = 3.3 V nom
Full-scale Input Voltage
VA = 5 V nom
Input Impedance
VA = 3.3 V
Min Typ Max
91 94
88 91
-
-
VA = 5.0 V
Min Typ Max
95 98
92 95
-
-
-
-89 -86 -
-92 -89
- -71 - - -75 -
- -31 - - -35 -
VA = 3.3 V and VA = 5.0 V
Min Typ Max
- 90 -
- - 0.1
-3 - +3
- 100 -
0.560*VA
0.552*VA
-
0.568*VA
0.559*VA
7.5
0.575*VA
0.567*VA
-
Unit
dB
dB
dB
dB
dB
Unit
dB
dB
%
ppm/°C
Vpp
Vpp
M
Notes:
4. Referred to the typical full-scale input voltage
DS687F5
5
5 Page 
Draft
3/10/15
3. TYPICAL CONNECTION DIAGRAM
CS5343/4
3.3 V to 5 V
5 FILT+
0.1 µF 1 µF
VA or
10 GND
VA VA
1 µF 0.1 µF
CS5343/4
9 GND
1 µF 0.1 µF
7 VQ
Analog Input
Conditioning
See Figure 6 on
page 14
6 AINL
8 AINR
SDOUT 1
SCLK 2
LRCK 3
MCLK 4
Audio
Processor/
System
Clocks
1 Pull-up to VA for Master Mode
Pull-down to GND for Slave Mode
2 Optional pull-up resistor for config-
uring clocks in Master Mode as
described in the “Master Mode Speed
Selection” section on page 13
Figure 3. Typical Connection Diagram
DS687F5
11
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet CS5343.PDF ] | |
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