Cirrus-logic CS4340A Manuale Utente

1Copyright © Cirrus Logic, Inc. 2005(All Rights Reserved)http://www.cirrus.comCS4340A24-Bit, 192 kHz Stereo DAC for AudioFeatures! 101 dB Dynamic Rang

CS4340A10 DS590F23.8 Mute ControlThe Mute Control pin goes high during power-up initialization, reset, or if the MCLK to LRCK ratio isincorrect. The p

CS4340ADS590F2 114. CHARACTERISTICS AND SPECIFICATIONS (Min/Max performance characteristics and specifications are guaranteed over the Specified Opera

CS4340A12 DS590F2ANALOG CHARACTERISTICS (CS4340A-KS/KSZ) (Test conditions (unless otherwise specified): Input test signal is a 997 Hz sine wave; measu

CS4340ADS590F2 13ANALOG CHARACTERISTICS (CS4340A-KS/KSZ) (Continued) Notes: 2. One-half LSB of triangular PDF dither is added to data.3. Refer to Fig

CS4340A14 DS590F2COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE (Thefilter characteristics and the X-axis of the response plots have been

CS4340ADS590F2 15Figure 11. Single-Speed Transition Band (Detail) Figure 12. Single-Speed Passband RippleFigure 13. Double-Speed Stopband Rejection

CS4340A16 DS590F2Figure 15. Double-Speed Transition Band (Detail) Figure 16. Double-Speed Passband Ripple

CS4340ADS590F2 17SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE Notes: 6. Speed mode is detected automatically, based on the input sample rate.7.

CS4340A18 DS590F2DC ELECTRICAL CHARACTERISTICS (AGND = 0 V; all voltages with respect to AGND.) DIGITAL INTERFACE SPECIFICATIONS (GND = 0 V; all vo

CS4340ADS590F2 195. PARAMETER DEFINITIONSTotal Harmonic Distortion + Noise (THD+N)The ratio of the rms value of the signal to the rms sum of all other

CS4340A2 DS590F2TABLE OF CONTENTS1. PIN DESCRIPTION ...

CS4340A20 DS590F27. PACKAGE DIMENSIONSTHERMAL CHARACTERISTICS AND SPECIFICATIONS INCHES MILLIMETERSDIM MIN NOM MAX MIN NOM MAXA 0.053 0.064 0.069 1.3

CS4340ADS590F2 218. REVISION HISTORYRelease Date ChangesF2 July 2005 Added Revision History table and updated ordering information.Contacting Cirrus L

CS4340ADS590F2 3LIST OF FIGURESFigure 1. Typical Connection Diagram...

CS4340A4 DS590F21. PIN DESCRIPTION Pin Name # Pin DescriptionRST1Reset (Input) - Powers down device.SDIN2Serial Audio Data (Input) - Input for two’s c

CS4340ADS590F2 52. TYPICAL CONNECTION DIAGRAM13Serial AudioDataProcessorExternal ClockMCLKAGNDAOUTRCS4340ASDINLRCKVAAOUTL345140.1 µF+1µF12+3.3V or +5.

CS4340A6 DS590F23. APPLICATIONS3.1 Upgrading from the CS4340 to the CS4340AThe CS4340A is pin and functionally compatible with all CS4340 designs, ope

CS4340ADS590F2 7 3.4 Digital Interface FormatThe device will accept audio samples in several digital interface formats as illustrated in Table 5. Th

CS4340A8 DS590F23.5 De-Emphasis The device includes on-chip digital de-emphasis. Figure 6 shows the de-emphasis curve for Fs equal to44.1 kHz. The fre

CS4340ADS590F2 93.6 Power-up SequenceReliable power-up can be accomplished by keeping the device in reset until the power supply and config-uration pi