AD1955ARSZ Analog Devices Inc, AD1955ARSZ Datasheet
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AD1955ARSZ
Specifications of AD1955ARSZ
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AD1955ARSZ Summary of contents
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FEATURES 5 V Power Supply Stereo Audio DAC System Accepts 16-/18-/20-/24-Bit Data Supports 24-Bit, 192 kHz Sample Rate PCM Audio Data Supports SACD Bit Stream and External Digital Filter Interface Accepts a Wide Range of PCM Sample Rates Including: ...
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AD1955–SPECIFICATIONS TEST CONDITIONS (Unless otherwise noted.) Analog Supply Voltages ( Digital Supply Voltages ( ...
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DIGITAL I/O (– +85 C, unless otherwise noted.) Parameter Input Voltage Input Voltage Input Leakage ( 2 Input Leakage ( 0.8 ...
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AD1955 SPECIFICATIONS (continued) GROUP DELAY Chip Mode Group Delay Calculation INT8 Mode 5553/(128 INT4 Mode 5601/(64 INT2 Mode 5659/(32 Specifications subject to change without notice. DIGITAL TIMING (Guaranteed over – +85 C, AVDD = DVDD = 5.0 V ...
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ABSOLUTE MAXIMUM RATINGS Parameter Min Max DV to DGND –0 AGND –0 Digital Inputs DGND – 0.3 DV Analog Outputs AGND – 0.3 AV AGND to DGND –0.3 +0.3 Reference Voltage (AV Soldering ...
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AD1955 Pin No. I/O Mnemonic 1 DVDD 2 Input LRCLK/EF_WCLK 3 Input BCLK/EF_BCLK 4 Input SDATA/EF_LDATA 5 Input EF_RDATA 6 I/O DSD_SCLK 7 Input DSD_LDATA 8 Input DSD_RDATA 9 I/O DSD_PHASE 10 AGND 11 Output IOUTR+ 12 Output IOUTR– 13 ...
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TPC 1. Pass-Band Response, 8 Mode, 48 kHz Sample Rate TPC 2. Complete Response, 8 Mode, 48 kHz Sample Rate TPC 3. 44 kHz Pass-Band Response 4 Sample Rate REV. 0 Typical Performance Characteristics–AD1955 TPC 4. Complete Response, 4 Mode, ...
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AD1955 TPC 7. DSD Digital Filter Pass Band TPC 8. DSD Digital Filter Response, Input Sample Rate = 2.8224 MHz TPC 9. FFT Plot, THD + N = –110 dBFS, PCM kHz, 0 dBFS @ 1 kHz ...
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TPC 13. THD + N vs. Amplitude Plot, PCM kHz, 0 dBFS to –120 dBFS Input @ 1 kHz TPC 14. THD + N vs. Frequency Plot, PCM kHz, 0 dBFS Input TPC 15. ...
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AD1955 TPC 19. De-emphasis Frequency Response, PCM kHz, 0 dBFS Input TPC 20. FFT Plot, PCM kHz, 0 dBFS @ 1 kHz kHz TPC 21. FFT Plot, PCM ...
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TPC 25. FFT Plot, PCM SR = 192 kHz, –60 dBFS Input @ 1 kHz TPC 26. FFT Plot, PCM SR = 192 kHz, Zero Input TPC 27. Wideband FFT Plot, PCM SR = 192 kHz, 0 dBFS @ 60 ...
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AD1955 TPC 31. FFT Plot DSD 44.1 kHz dBFS @ 10 kHz (continued from page 1) sample rate converters. The AD1955 can be configured in left- 2 justified right-justified, or DSP serial ...
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Serial Data Format in External Digital Filter Mode In the External Digital Filter Mode, the AD1955 will accept up to 24-bit serial, twos complement, MSB-first data from an external digital filter, an HDCD decoder general-purpose DSP. If the ...
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AD1955 For example, with the stereo circuits given in Figures 7 through 10, this gives – 2.00 kΩ resistor ...
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LEFT CHANNEL LRCLK BCLK MSB SDATA LRCLK LEFT CHANNEL BCLK SDATA MSB LRCLK BCLK SDATA MSB LRCLK LEFT CHANNEL BCLK SDATA MSB NOTES 1. DSP MODE DOES NOT IDENTIFY CHANNEL LRCLK NORMALLY OPERATES AT EXCEPT FOR DSP MODE, ...
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AD1955 NORMAL MODE PHASE MOD MODE DSD_LDATA, DSD_RDATA CLATCH CCLK D15 D14 CDATA t CDS D0 D1 DSD_DATA DSD_BCLK D0 DSD_DATA D0 DSD_BCLK DSD_PHASE_0 DSD_PHASE_1 DSD_PHASE_2 DSD_PHASE_3 Figure 3. DSD Modes DSD_PHASE t DPHS DSD_SCLK t DSDS t DSDH Figure ...
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DVDD C1 0.1 F DVDD MCLK MCLK RDATA EF_RDATA SDATA SDATA/EF_LDATA BCLK/EF_BCLK BCLK LRCLK LRCLK/EF_WCLK DSD_PHASE DSD_PHASE DSD_RDATA DSD_RDATA DSD_LDATA DSD_LDATA DSD_SCLK DSD_SCLK CDATA CDATA CLATCH CLATCH CCLK CCLK MUTE MUTE ZEROR ZEROR ZEROL ZEROL PD/RST PD/RST DGND REV. 0 ...
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AD1955 12V R6 100 R2 R3 2.00k 2.00k IOUTL+ C7 OPEN C9 100pF C8 OPEN IOUTL– VBIAS R4 402 R7 100 12V R17 100 R14 R13 2.00k 2.00k IOUTR+ C15 OPEN C17 100pF C16 OPEN IOUTR– VBIAS R15 402 R18 ...
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R28 100 R24 R25 2.00k 2.00k IOUTL+ C23 OPEN C25 NL+ 100pF C24 OPEN IOUTL– VBIAS R26 402 NL+ R29 100 +12V + 4.7 F 0.1 F AD797 + 0 AMP BYPASS DUPLICATE FOR EACH ...
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AD1955 12V R3 R2 1.00k 1.00k IOUTL+ IOUTR– C7 OPEN C9 100pF C8 OPEN IOUTL– IOUTR+ R4 402 VBIAS NOTE REVERSE POLARITY OF RIGHT CHANNEL OUTPUTS 12V R28 100 R24 R25 1.00k 1.00k IOUTL+ IOUTR– AD797 C23 OPEN C25 NL+ ...
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MAX 0.05 MIN REV. 0 OUTLINE DIMENSIONS Dimensions shown in millimeters 28-Lead Shrink Small Outline Package (SSOP) (RS-28) 10.50 10.20 9. 5.60 8.20 5.30 7.80 5.00 7. 1.85 1.75 0.10 1.65 COPLANARITY 0.25 0.09 0.65 ...
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