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PDF CS42436 Data sheet ( Hoja de datos )
| Número de pieza | CS42436 | |
| Descripción | Surround-sound Codecs | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CS42436 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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CS42436
108 dB, 192 kHz 6-In, 6-Out TDM CODEC
FEATURES
Six 24-bit A/D, Six 24-bit D/A Converters
ADC Dynamic Range
– 105 dB Differential
– 102 dB Single-Ended
DAC Dynamic Range
– 108 dB Differential
– 105 dB Single-Ended
ADC/DAC THD+N
– -98 dB Differential
– -95 dB Single-Ended
Compatible with Industry-Standard Time
Division Multiplexed (TDM) Serial Interface
DAC Sampling Rates up to 192 kHz
ADC Sampling Rates up to 96 kHz
Programmable ADC High-Pass Filter for DC
Offset Calibration
www.DataSheet4U.com Logarithmic Digital Volume Control
Hardware Mode or Software I²C® & SPI™
Supports Logic Levels Between 5 V and 1.8 V
GENERAL DESCRIPTION
The CS42436 CODEC provides six multi-bit analog-to-
digital and six multi-bit digital-to-analog delta-sigma
converters. The CODEC is capable of operation with ei-
ther differential or single-ended inputs and outputs, in a
52-pin MQFP package.
Six fully differential, or single-ended, inputs are avail-
able on stereo ADC1, ADC2, and ADC3. When
operating in Single-ended Mode, an internal MUX be-
fore ADC3 allows selection from up to four single-ended
inputs. Digital volume control is provided for each ADC
channel, with selectable overflow detection.
All six DAC channels provide digital volume control and
can operate with differential or single-ended outputs.
An auxiliary serial input is available for an additional two
channels of PCM data.
The CS42436 is available in a 52-pin MQFP package in
Commercial (-10° to +70°) and Automotive (-40° to
+105°) grades. The CDB42436 Customer Demonstra-
tion board is also available for device evaluation and
implementation suggestions. Please refer to “Ordering
Information” on page 61 for complete ordering
information.
The CS42436 is ideal for audio systems requiring wide
dynamic range, negligible distortion and low noise, such
as A/V receivers, DVD receivers, and automotive audio
systems.
Control Port & Serial
Audio Port Supply =
1.8 V to 5 V
Digital Supply =
3.3 V
Hardware Mode or
I2C/SPI Software Mode
Control Data
Reset
Register
Configuration
Analog Supply =
3.3 V to 5 V
Internal Voltage
Reference
TDM Serial Audio
Input
Auxilliary Serial
Audio Input
Input Master
Clock
TDM Serial Audio
Output
http://www.cirrus.com
Volume
Controls
Digital
Filters
ΔΣ
Modulators
Multibit
DAC1-3 and
Analog Filters
6
6
Differential or
Single-Ended
Outputs
High Pass
Filter
High Pass
Filter
Digital
Filters
Digital
Filters
Multibit
Oversampling
ADC1&2
Multibit
Oversampling
ADC3
4
4 Differential or
Single-Ended
Analog Inputs
2
2
*Optional MUX allows selection from up to 4 single-ended inputs.
Copyright © Cirrus Logic, Inc. 2006
(All Rights Reserved)
AUGUST '06
DS647F1
1 page  
CS42436
Figure 43.QSM Transition Band ................................................................................................................ 57
Figure 44.QSM Transition Band (detail) .................................................................................................... 57
Figure 45.QSM Passband Ripple .............................................................................................................. 57
LIST OF TABLES
Table 1. I/O Power Rails ............................................................................................................................. 8
Table 2. Hardware Configurable Settings ................................................................................................. 26
Table 3. AIN5 Analog Input Selection ....................................................................................................... 29
Table 4. AIN6 Analog Input Selection ....................................................................................................... 29
Table 5. MCLK Frequency Settings .......................................................................................................... 33
Table 6. Serial Audio Interface Channel Allocations ................................................................................. 34
Table 7. MCLK Frequency Settings .......................................................................................................... 43
Table 9. Example AIN Volume Settings .................................................................................................... 48
Table 8. Example AOUT Volume Settings ................................................................................................ 48
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DS647F1
5
5 Page 
3. TYPICAL CONNECTION DIAGRAMS
+3.3 V
+
10 µF
0.01 µF
CS42436
0.01 µF
+
10 µF
+3.3 V to +5 V
0.01 µF
10 VLS
8
VD
CS5341
A/D
Converter
16 AUX_SCLK
15
AUX_LRCK
17 AUX_SDIN
0.01 µF
37
VA
46
VA
AOUT1+ 20
AOUT1- 19
AOUT2+ 21
AOUT2- 22
AOUT3+ 24
AOUT3- 23
AOUT4+ 25
AOUT4- 26
AOUT5+ 28
AOUT5- 27
AOUT6+ 29
AOUT6- 30
Analog Output Filter 2
Analog Output Filter 2
Analog Output Filter 2
Analog Output Filter 2
Analog Output Filter 2
Analog Output Filter 2
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AIN1+
AIN1-
AIN2+
AIN2-
39
38
41
40
Input
Filter 1
Input
Filter 1
Analog Input 1
Analog Input 2
+1.8 V
to +5.0 V
Digital Audio
Processor
12 MCLK
11 SCLK
7
14 FS
DAC_SDIN
13 ADC_SDOUT
AIN3+
AIN3-
AIN4+
AIN4-
43
42
45
44
AIN5+/AIN5A
AIN5-/AIN5B
AIN6+/AIN6A
AIN6-/AIN6B
50
49
52
51
Input
Filter 1
Input
Filter 1
Input
Filter 1
Input
Filter 1
Input
Filter 1
Analog Input 3
Analog Input 4
Analog Input 5
Analog Input 6
Analog Input 5A
Micro-
Controller
2 kΩ
5 RST
1 SCL/CCLK
2 SDA/CDOUT
4 AD1/CDIN
3 AD0/CS
** **
2 kΩ
+1.8 V
to +5 V
6 VLC
0.1 µF
** Resistors are required for
I2C control port operation
Input
Filter 1
Input
Filter 1
Input
Filter 1
Analog Input 5B
Analog Input 6A
Analog Input 6B
VQ 37
FILT+ 47
+
+
DGND DGND
9 18
AGND AGND
35 48
0.1 µF 100 µF 0.1 µF 4.7 µF
Connect DGND and AGND at Codec
1. See the ADC Input Filter section in the Appendix.
2. See the DAC Output Filter section in the Appendix.
Figure 1. Typical Connection Diagram (Software Mode)
DS647F1
11
11 Page | ||
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| PDF Descargar | [ Datasheet CS42436.PDF ] | |
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