PDF AK4359 Data sheet ( Hoja de datos )

Número de pieza	AK4359
Descripción	192kHz 24-Bit 8ch DAC
Fabricantes	Asahi Kasei Microsystems
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No Preview Available ! ASAHI KASEI [AK4359] AK4359 192kHz 24-Bit 8ch DAC GENERAL DESCRIPTION The AK4359 is eight channels 24bit DAC corresponding to digital audio system. Using AKM's advanced multi bit architecture for its modulator the AK4359 delivers a wide dynamic range while preserving linearity for improved THD+N performance. The AK4359 has single end SCF outputs, increasing performance for systems with excessive clock jitter. The AK4359 accepts 192kHz PCM data, ideal for a wide range of applications including DVD-Audio. FEATURES Sampling Rate Ranging from 8kHz to 192kHz 24Bit 8 times Digital Filter with Slow roll-off option THD+N: -94dB DR, S/N: 106dB High Tolerance to Clock Jitter Single Ended Output Buffer with 2nd order Analog LPF Digital De-emphasis for 32, 44.1 & 48kHz sampling Zero Detect function Channel Independent Digital Attenuator (Linear 256 steps) 3-wire Serial and I2C Bus µP I/F for mode setting I/F format: MSB justified, LSB justified (16bit, 20bit, 24bit), I2S, TDM Master clock: 256fs, 384fs, 512fs or 768fs or 1152fs (Normal Speed Mode) 128fs, 192fs, 256fs or 384fs (Double Speed Mode) 128fs or 192fs (Quad Speed Mode) Power Supply: 4.5 to 5.5V 30pin VSOP Package DZF LOUT1 ROUT1 LOUT2 ROUT2 LOUT3 ROUT3 LOUT4 ROUT4 Audio I/F LPF SCF DAC DATT LPF SCF DAC DATT PCM LPF SCF DAC DATT LPF SCF DAC DATT Control Register LPF SCF DAC DATT LPF SCF DAC DATT LPF SCF DAC DATT LPF SCF DAC DATT AK4359 MCLK LRCK BICK SDTI1 SDTI2 SDTI3 SDTI4 3-wire or I2C MS0289-E-00 -1- 2004/02 1 page ASAHI KASEI Handling of Unused Pin The unused I/O pins should be processed appropriately as below. Classification Analog Digital Pin Name LOUT4-1, ROUT4-1 DZF2-1 SDTI4-1, SMUTE, DIF1, DEM0 [AK4359] Setting These pins should be open. These pins should be open. These pins should be connected to DVSS. ABSOLUTE MAXIMUM RATINGS (AVSS, DVSS=0V; Note 1) Parameter Symbol Min Power Supplies Analog AVDD -0.3 Digital DVDD -0.3 \|AVSS-DVSS\| (Note 2) ∆GND - Input Current (any pins except for supplies) IIN - Analog Input Voltage VINA -0.3 Digital Input Voltage VIND -0.3 Ambient Operating Temperature Ta -40 Storage Temperature Tstg -65 Note 1. All voltages with respect to ground. Note 2. AVSS and DVSS must be connected to the same analog ground plane. Max 6.0 6.0 0.3 ±10 AVDD+0.3 DVDD+0.3 85 150 WARNING: Operation at or beyond these limits may result in permanent damage to the device. Normal operation is not guaranteed at these extremes. Units V V V mA V V °C °C RECOMMENDED OPERATING CONDITIONS (AVSS, DVSS=0V; Note 1) Parameter Symbol Min Typ Power Supplies Analog AVDD 4.5 5.0 (Note 3) Digital DVDD 4.5 5.0 Note 3. The power up sequence between AVDD and DVDD is not critical. *AKM assumes no responsibility for the usage beyond the conditions in this datasheet. Max Units 5.5 V 5.5 V MS0289-E-00 -5- 2004/02 5 Page ASAHI KASEI [AK4359] CSN CCLK CDTI CSN CCLK tCSS tCCKL tCCKH tCDS tCDH C1 C0 R/W WRITE Command Input Timing VIH VIL VIH VIL VIH A4 VIL tCSW tCSH VIH VIL VIH VIL CDTI D3 D2 D1 D0 WRITE Data Input Timing VIH VIL SDA tBUF tLOW tR tHIGH tF SCL tHD:STA Stop Start tHD:DAT tSU:DAT tSU:STA Start I2C Bus mode Timing tRST RSTB Reset Timing MS0289-E-00 - 11 - VIH VIL tSP VIH VIL tSU:STO Stop VIL 2004/02 11 Page

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