CDB5340 Cirrus Logic Inc, CDB5340 Datasheet

BOARD EVAL FOR CS5340 STEREO ADC

CDB5340

Manufacturer Part Number
CDB5340
Description
BOARD EVAL FOR CS5340 STEREO ADC
Manufacturer
Cirrus Logic Inc
Datasheets

Specifications of CDB5340

Number Of Adc's
1
Number Of Bits
24
Sampling Rate (per Second)
192k
Data Interface
Serial
Inputs Per Adc
2 Single
Power (typ) @ Conditions
180mW @ 5 V
Voltage Supply Source
Analog and Digital
Operating Temperature
-10°C ~ 70°C
Utilized Ic / Part
CS5340
Product
Audio Modules
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Other names
598-1544
Features
Single-Ended
Single-Ended
Analog Input
Analog Input
Advanced Multi-bit Delta-Sigma Architecture
24-bit Conversion
Supports All Audio Sample Rates Including
192 kHz
101 dB Dynamic Range at 5 V
-94 dB THD+N
90 mW Power Consumption
High-Pass Filter to Remove DC Offsets
Analog/Digital Core Supplies from 3.3 V to 5 V
Supports Logic Levels between 1.8 V and 5 V
Auto-detect Mode Selection in Slave Mode
Auto-Detect MCLK Divider
Pin Compatible with CS5341
http://www.cirrus.com
101 dB, 192 kHz, Multi-Bit Audio A/D Converter
AINR
AINL
FILT+
VQ
3.3 V to 5 V
Switch-Cap
ADC
Switch-Cap
ADC
Reference
Voltages
VA
Internal
High-Pass
High-Pass
Filter
Filter
Copyright © Cirrus Logic, Inc. 2008
3.3 V to 5 V
VD
(All Rights Reserved)
Confidential Draft
Digital Filters
Low-Latency
Digital Filters
Low-Latency
General Description
The CS5340 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 200 kHz per channel.
The CS5340 uses a 5th-order, multi-bit Delta-Sigma
modulator followed by digital filtering and decimation,
which removes the need for an external anti-alias filter.
The CS5340 is available in a 16-pin TSSOP package
for Commercial (-10° to +70° C) and Automotive grades
(-40° to +85° C). The CDB5340 Customer Demonstra-
tion Board is also available for device evaluation and
implementation suggestions. Please refer to
Information”
information.
The CS5340 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.
3/11/08
on
page 22
1.8 V to 5 V
VL
MCLK Divider
Auto-detect
Slave Mode
Auto-detect
for
CS5340
M0
M1
complete
Mode
Configuration
Master Clock
Reset
SDOUT
March '08
SCLK
LRCK
“Ordering
DS601F2
ordering

Related parts for CDB5340

CDB5340 Summary of contents

Page 1

... The CS5340 is available in a 16-pin TSSOP package for Commercial (-10° to +70° C) and Automotive grades (-40° to +85° C). The CDB5340 Customer Demonstra- tion Board is also available for device evaluation and implementation suggestions. Please refer to Information” ...

Page 2

TABLE OF CONTENTS 1. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 4 SPECIFIED OPERATING CONDITIONS ............................................................................................... 4 ABSOLUTE MAXIMUM RATINGS ......................................................................................................... 4 ANALOG CHARACTERISTICS - COMMERCIAL GRADE .................................................................... 5 ANALOG CHARACTERISTICS - AUTOMOTIVE GRADE ..................................................................... 6 DIGITAL FILTER CHARACTERISTICS ................................................................................................. 7 DC ELECTRICAL ...

Page 3

LIST OF FIGURES Figure 1.Single-Speed Mode Stopband Rejection ...................................................................................... 8 Figure 2.Single-Speed Mode Stopband Rejection ...................................................................................... 8 Figure 3.Single-Speed Mode Transition Band (Detail) ................................................................................ 8 Figure 4.Single-Speed Mode Passband Ripple .......................................................................................... 8 Figure 5.Double-Speed Mode Stopband Rejection ..................................................................................... 8 Figure ...

Page 4

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 T = 25°C.) A SPECIFIED OPERATING CONDITIONS (GND = ...

Page 5

ANALOG CHARACTERISTICS - COMMERCIAL GRADE Test Conditions (unless otherwise specified): Input test signal kHz sine wave; measurement bandwidth kHz. Dynamic Performance for Commercial Grade Single-Speed Mode kHz Dynamic Range ...

Page 6

ANALOG CHARACTERISTICS - AUTOMOTIVE GRADE Test Conditions (unless otherwise specified): Input test signal kHz sine wave; measurement bandwidth kHz. Dynamic Performance for Automotive Grade Single-Speed Mode kHz Dynamic Range ...

Page 7

DIGITAL FILTER CHARACTERISTICS Parameter Single-Speed Mode Passband (-0.1 dB) Passband Ripple Stopband Stopband Attenuation Total Group Delay (Fs = Output Sample Rate) Double-Speed Mode Passband (-0.1 dB) Passband Ripple Stopband Stopband Attenuation Total Group Delay (Fs = Output Sample Rate) ...

Page 8

Frequency (norm alized to Fs) Figure 1. Single-Speed Mode Stopband Rejection ...

Page 9

Frequency (norm alized to Fs) Figure 7. Double-Speed Mode Transition Band (Detail) 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 ...

Page 10

DC ELECTRICAL CHARACTERISTICS (GND = 0 V, all voltages with respect MCLK=12.288 MHz; Master Mode) Parameter DC Power Supplies: Power Supply Current (Normal Operation) Power Supply Current (Power-Down Mode) (Note 9) Power Consumption (Normal Operation) Power Supply ...

Page 11

SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT (Logic "0" = GND = 0 V; Logic "1" = VL, C Parameter MCLK Specifications MCLK Period MCLK Pulse Duty Cycle Master Mode SCLK falling to LRCK SCLK falling to SDOUT valid. SCLK Duty ...

Page 12

SCLK output t mslr LRCK output t sdo S DOUT Figure 13. Master Mode, Left-Justified SAI SCLK output t mslr LRCK output S DOUT Figure 15. Master Mode, I²S SAI 12 Confidential Draft 3/11/08 LRCK input SCLK input MSB MSB-1 ...

Page 13

PIN DESCRIPTION Pin Name # Pin Description M0 1 Mode Selection (Input) - Determines the operational mode of the device MCLK 2 Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters ...

Page 14

TYPICAL CONNECTION DIAGRAM 3. µ F 0.1 µ µ F 0.1 µ F *** + 1 µ F 0.1 µ F 0.1 µ F 1µF + Analog Input Buffer ...

Page 15

APPLICATIONS 4.1 Single-, Double-, and Quad-Speed Modes The CS5340 can support output sample rates from 2 kHz to 200 kHz. The proper speed mode can be de- termined by the desired output sample rate and the external MCLK/LRCK ratio, ...

Page 16

Operation as a Clock Master As a clock master, LRCK and SCLK operate as outputs. The left/right and serial clocks are internally de- rived from the master clock with the left/right clock equal to Fs and the serial clock ...

Page 17

Master Clock The CS5340 requires a Master clock (MCLK) which runs the internal sampling circuits and digital filters. There is also an internal MCLK divider which is automatically activated based on the speed mode and frequency of the MCLK. ...

Page 18

... FILT+ and REF_GND. Furthermore, all ground pins on CS5340 should be referenced to the same ground reference. The CDB5340 evaluation board demonstrates the optimum layout and power supply arrangements. To min- imize digital noise, connect the ADC digital outputs only to CMOS inputs. ...

Page 19

... The CS5340 requires an external capacitance on the internal reference voltage pin, FILT+. The size of this decoupling capacitor will affect the low frequency distortion performance as shown in capacitor values used to optimize low frequency distortion performance. This plot was taken using the CDB5340 evaluation platform, with the device running in Single-Speed Mode and VA=VD=VL 2 ...

Page 20

PARAMETER DEFINITIONS Dynamic Range The ratio of the rms value of the signal to the rms sum of all other spectral components over the specified bandwidth. Dynamic Range is a signal-to-noise ratio measurement over the specified bandwidth made with ...

Page 21

PACKAGE DIMENSIONS 16L TSSOP (4.4 mm BODY) PACKAGE DRAWING TOP VIEW INCHES DIM MIN NOM 0.002 0.004 A2 0.03346 0.0354 b 0.00748 0.0096 D 0.193 0.1969 E 0.248 0.2519 E1 0.169 ...

Page 22

... Confidential Draft 3/11/08 Package Pb-Free Grade 16-TSSOP YES Commercial -10° to +70° C 16-TSSOP YES Automotive -40° to +85° Changes www.cirrus.com. CS5340 Temp Range Container Order # Bulk CS5340-CZZ Tape & Reel CS5340-CZZR Bulk CS5340-DZZ Tape & Reel CS5340-DZZR - - CDB5340 Table 1 on page 15 DS601F2 ...

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