|Category||Multimedia => Audio => D/A Converters|
|Company||AKM Semiconductor, Inc.|
|Datasheet||Download AK4383 datasheet
|Cross ref.||Similar parts: AD1955|
GENERAL DESCRIPTION The AK4383 offers the perfect mix for cost and performance based audio systems. Using AKM's multi bit architecture for its modulator the AK4383 delivers a wide dynamic range while preserving linearity for improved THD+N performance. The AK4383 has full differential SCF outputs, removing the need for AC coupling capacitors and increasing performance for systems with excessive clock jitter. The AK4383 accepts 192kHz PCM data and 1-Bit DSD data, ideal for a wide range of applications including DVDAudio and SACD. The AK4383 is offered in a space saving 20pin TSSOP package. FEATURES Sampling Rate Ranging from 24-Bit 8 times FIR Digital Filter On chip SCF Digital de-emphasis for 32k, 44.1k and 48kHz sampling Soft mute Digital Attenuator (Linear 256 steps) PCM I/F format: 24-Bit MSB justified, 24/20/16-Bit LSB justified or I2S Master clock: or 768fs (PCM Normal Speed Mode) or 384fs (PCM Double Speed Mode) or 192fs (PCM Quad Speed Mode) or 768fs (DSD Mode) THD+N: -94dB Dynamic Range: 110dB DSD Data Input Mode High Tolerance to Clock Jitter Power supply: to 5.25V Very Small Package: 20pin TSSOP (0.65mm pitch) AK4382 Pin CompatibleMCLK BICK/DCLK SDTI/DSDL LRCK/DSDR PDN CSN CCLK CDTI DCLK DSDL
DZFL DZFR VDD VSS AOUTL+ AOUTLAOUTR+ AOUTRDSDM DSDR
No. Pin Name MCLK BICK/DCLK SDTI/DSDL LRCK/DSDR PDN I/O Function Master Clock Input Pin An external TTL clock should be input on this pin. Audio Serial Data Clock Pin / DSD Clock Pin Audio Serial Data Input Pin / DSD Lch Data Input Pin L/R Clock Pin / DSD Rch Data Input Pin Power-Down Mode Pin When at "L", the is in the power-down mode and is held in reset. The AK4383 should always be reset upon power-up. Chip Select Pin Control Data Input Pin Control Data Input Pin in serial mode DSD Clock Pin (Pull-down Pin) DSD Lch Data Input Pin (Pull-down Pin) DSD Rch Data Input Pin (Pull-down Pin) DSD Mode Enable Pin (Pull-down Pin) "0": PCM data is input from Pin 2-4. And the mode can be switched between PCM and DSD mode by register. "1": DSD data is input from Pin 9-11. Rch Negative Analog Output Pin Rch Positive Analog Output Pin Lch Negative Analog Output Pin Lch Positive Analog Output Pin Ground Pin Power Supply Pin Rch Data Zero Input Detect Pin Lch Data Zero Input Detect PinCSN CCLK CDTI DCLK DSDL DSDR DSDM
Note: All input pins except pull-up pin should not be left floating.
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