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Número de pieza | CDB5344 | |
Descripción | (CDB5343 / CDB5344) Multi-Bit Audio A/D Converter | |
Fabricantes | Cirrus Logic | |
Logotipo | ||
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CS5343/4
98 dB, 96 kHz, Multi-Bit Audio A/D Converter
Features
! Advanced Multi-Bit ∆Σ Architecture
! 24-bit Conversion
! Supports Audio Sample Rates Up to 108 kHz
! 98 dB Dynamic Range at 5 V
! -90 dB THD+N
! Low-Latency Digital Filter
! High-Pass Filter to Remove DC Offsets
! Single +3.3 V or +5 V Power Supply
! Power Consumption Less Than 50 mW
! 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 (-10° to +70° C) and Automotive
grades (-40° to +85° C). The CDB5343 Customer Dem-
onstration Board is also available for device evaluation
and implementation suggestions. Please refer to the
“Ordering Information” on page 21 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+
Internal
Reference
VQ Voltages
High-Pass
Filter
Low-Latency
Digital Filters
Auto-detect
MCLK Divider
Slave Mode
Auto-detect
Master
Clock
SCLK
LRCK
Single-Ended
Analog Input
High-Z
AINR Sampling
Network
High-Pass
Filter
Low-Latency
Digital Filters
SDOUT
Advance Product Information
http://www.cirrus.com
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright © Cirrus Logic, Inc. 2006
(All Rights Reserved)
AUGUST '06
DS687A4
1 page CS5343/4
2. CHARACTERISTICS AND SPECIFICATIONS
(All Min/Max characteristics and specifications are guaranteed over the Specified Operating Conditions. Typical
performance characteristics and specifications are derived from measurements taken at typical supply voltages
and TA = 25°C.)
SPECIFIED OPERATING CONDITIONS
(GND = 0 V, all voltages with respect to GND.)
Power Supplies
Parameter
Ambient Operating Temperature
Symbol Min Typ Max Unit
VA
3.1 3.3 3.5 V
4.75 5.0 5.25 V
Commercial TAC
-10
-
70 °C
Automotive TAD
-40
-
85 °C
ABSOLUTE MAXIMUM RATINGS
(GND = 0 V, all voltages with respect to GND.) (Note 1)
Parameter
DC Power Supplies
Input Current
Input Voltage
Ambient Operating Temperature (Power Applied)
Storage Temperature
(Note 2)
(Note 3)
Symbol
VA
Iin
VIN
TA
Tstg
Min
-0.3
-10
-0.7
-50
-65
Max
+6.0
+10
VA+0.7
+115
+150
Unit
V
mA
V
°C
°C
Notes:
1. Operation beyond these limits may result in permanent damage to the device. Normal operation is not
guaranteed at these extremes.
2. Any pin except supplies. Transient currents of up to ±100 mA on the analog input pins will not cause
SCR latch-up.
3. The maximum over/under voltage is limited by the input current.
DS687A4
5
5 Page LRCK
SCLK
t slrd
t sclkw
SDOUT
MSB
MSB-1
LRCK
SCLK
t stp t hld
Figure 1. CS5343 I²S Serial Audio Interface
t slrd
t sclkw
SDOUT
MSB
MSB-1
t stp t hld
Figure 2. CS5344 Left-Justified Serial Audio Interface
CS5343/4
DS687A4
11
11 Page |
Páginas | Total 21 Páginas | |
PDF Descargar | [ Datasheet CDB5344.PDF ] |
Número de pieza | Descripción | Fabricantes |
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CDB5343 | Evaluation Board | Cirrus Logic |
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