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CS42526

Features: ·Six 24-bit D/A, two 24-bit A/D Converters·114 dB DAC / 114 dB ADC Dynamic Range· -100 dB THD+N·System Sampling Rates up to 192 kHz·S/PDIF Receiver Compatible with EIAJ CP1201 and IEC-60958·Recovered S/PDIF Clock or System Clock Selection·8:2 S/PDIF Input MUX·ADC High-pass Filter for DC ...

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SeekIC No. : 004316374 Detail

CS42526: Features: ·Six 24-bit D/A, two 24-bit A/D Converters·114 dB DAC / 114 dB ADC Dynamic Range· -100 dB THD+N·System Sampling Rates up to 192 kHz·S/PDIF Receiver Compatible with EIAJ CP1201 and IEC-6095...

CS42526 Data Sheet

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Part Number:
CS42526
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·Six 24-bit D/A, two 24-bit A/D Converters
·114 dB DAC / 114 dB ADC Dynamic Range 
·  -100 dB THD+N
·System Sampling Rates up to 192 kHz
·S/PDIF Receiver Compatible with EIAJ CP1201 and IEC-60958
·Recovered S/PDIF Clock or System Clock Selection
·8:2 S/PDIF Input MUX
·ADC High-pass Filter for DC Offset Calibration
·Expandable ADC Channels and One-line Mode Support
·Digital Output Volume Control with Soft Ramp
·Digital +/-15dB Input Gain Adjust for ADC
·Differential Analog Architecture
·Supports logic levels between 5 V and 1.8 V.


Application

The CS42526 is a highly integrated mixed signal 24-bit audio codec comprised of 2 analog-to-digital converters (ADC), implemented using multi-bit delta-sigma techniques, 6 digital-to-analog converters (DAC) and a 192 kHz digital audio S/PDIF receiver. Other functions integrated within the codec include independent digital volume controls for each DAC, digital de-emphasis filters for DAC and S/PDIF, digital gain control for ADC channels, ADC high-pass filters, an on-chip voltage reference, and an 8:2 mux for S/PDIF sources. All serial data is transmitted through two configurable serial audio interfaces with standard serial interface support as well as enhanced one line modes of operation allowing up to 6 channels of serial audio data on one data line. All functions are configured through a serial control port operable in SPI mode or in I2C mode. Figure 5 show the recommended connections for the CS42526.

The CS42526 operates in one of three oversampling modes based on the input sample rate. Mode selection is determined by the FM bits in register "Functional Mode (address 03h)" on page 48. Single-Speed mode (SSM) supports input sample rates up to 50 kHz and uses a 128x oversampling ratio. Double- Speed mode (DSM) supports input sample rates up to 100 kHz and uses an oversampling ratio of 64x. Quad-Speed mode (QSM) supports input sample rates up to 192 kHz and uses an oversampling ratio of 32x.

Using the receiver clock recovery PLL, a low jitter clock is recovered from the incoming S/PDIF data stream. The recovered clock or an externally supplied clock attached to the OMCK pin can be used as the System Clock.


Pinout

Connection Diagram


Specifications

Parameters
Symbol
Min
Max
Units
DC Power Supply
Analog
Digital
Serial Port Interface
Control Port Interface
VA / VARX
VD
VLS
VLC
-0.3
-0.3
-0.3
-0.3
6.0
6.0
6.0
6.0
V
V
V
V
Input Current
(Note 1)
Iin
-
±10
mA
Analog Input Voltage
(Note 2)
VIN
AGND-0.7
VA+0.7
V
Digital Input Voltage
(Note 2)
Serial Port Interface
Control Port Interface
S/PDIF interface
VIND-S
VIND-C
VIND-SP
-0.3
-0.3
-0.3
VLS+ 0.4
VLC+ 0.4
VARX+0.4
V
V
V
Ambient Operating Temperature(power applied)
CS42526-CQZ
CS42526-DQZ
TA
TA
-20
-50
+85
+95
°C
°C
Storage Temperature
Tstg
-65
+150
°C



Description

The CS42526 codec provides two analog-to-digital and six digital- to-analog delta-sigma converters, as well as an integrated S/PDIF receiver, in a 64-pin LQFP package.

The CS42526 integrated S/PDIF receiver supports up to eight inputs, clock recovery circuitry and format auto-detection. The internal stereo ADC is capable of independent channel gain control for single-ended or differential analog inputs. All six channels of DAC provide digital volume control and differential analog outputs. The general purpose outputs may be driven high or low, or mapped to a variety of DAC mute controls or ADC overflow indicators.

The CS42526 is ideal for audio systems requiring wide dynamic range, negligible distortion and low noise, such as A/V receivers, DVD receivers, digital speaker and automotive audio systems.




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