Datasheet High Sound Quality Audio D/A Converters 32-bit, 768 kHz Sampling Stereo Audio D/A Converter BD34301EKV General Description Key Specifications (Note 2) BD34301EKV is 32-bit high sound quality Stereo Audio Supply Voltage Range of AVCC 4.5 V to 5.5 V D/A converter with ROHM original sound quality design, Supply Voltage Range of DVDD 1.4 V to 1.6 V realizing excellent numerical performance (SNR: 130 dB Supply Voltage Range of DVDDIO 3.0 V to 3.6 V (Note 1) (Typ), THD+N: -115 dB (Typ)) suitable for high-end audio. SNR 130 dB (Typ) (Note 1) Favourite sound is selectable by switching 2 kinds of THD+N -115 dB (Typ) (Note 1) digital FIR filters (Sharp Roll-Off, Slow Roll-Off). PCM I/F Dynamic Range 130 dB (Typ) supports up to 768 kHz and DSD I/F supports up to 22.4 Operation Temperature Range -25 C to +85 C MHz. Package Features W (Typ) x D (Typ) x H (Max) TM MUS-IC Series HTQFP64BV 12.0 mm x 12.0 mm x 1.0 mm (Note 1) SNR 130 dB (Typ), THD+N -115 dB (Typ) (Note 1) Sampling Frequency 32 kHz to 768 kHz (Note 1) 2 Kinds of Digital FIR Filters DSD 2.8 MHz, 5.6 MHz, 11.2 MHz, 22.4 MHz Available Supports Stereo Mode (2ch) and Mono Mode (1ch) Selectable 4 Device Addresses (38h, 3Ah, 3Ch, 3Eh) . Applications CD/SACD Player Digital Audio Player (DAP) USB-DAC and Others (Note 1) PCM mode (Note 2) AVCC, AVCC R and AVCC L in Typical Application Circuit Typical Application Circuit AVCC L DVDDIO 5.0 V DVDD 3.3 V 1.5 V 100 F 100 F 100 F 100 F 100 F 100 F 100 F 100 F 100 F 100 F C15 C35 C1 C7 C19 C3 C5 C11 C13 C17 C9 1500 pF C16 C2 C4 C6 C8 C12 C14 C20 C10 C18 R5 0.1 F 0.1 F 0.1 F 0.1 F 0.1 F 0.1 F 0.1 F 0.1 F 0.1 F 0.1 F 64 2 9 17 15 11 50 48 53 55 58 56 R7 R11 7 63 59 61 4447 1 k 560 + 820 390 R9 C38 Lch Out C36 Single 1500 pF 1500 pF IOUT LP C37 51 R6 BCLK/DSDCLK Current BCLK R10 IOUT LN 1 k 12 Segment R8 C39 52 AVCC Over 560 + 820 1500 pF 5.0 V R12 C21 LRCLK/DSD2 LRCLK Lch Out Sampling PCM 100 F Differential DSP 13 C22 Digital AVCC 42 I/F 0.1 F Modulator FIR 100 F AVCC L C23 DIN/DSD1 Audio DIN 5.0 V Filter 0.1 F 14 VREF L C24 Function 43 (Note 3) EXT RES L R1 MCLK Control 41 The written values of external parts VREF 910 EXT RES R R2 are checked by sound test. Changing 40 910 these values can affect the sound VREF R AVCC R DSD C25 38 5.0 V 0.1 F quality. Please check the sound I/F C26 C40 when the values are changed. 100 F AGND 39 1500 pF R13 R15 R19 IOUT RP 1 k 560 + 820 390 30 MCLK Current 2-wire System Master R17 C43 Rch Out 60 IOUT RN Segment I/F Control 29 Clock C41 1500 pF Single 1500 pF C42 R14 R18 1 k R16 C44 8 10 16 18 19 20 21 3 4 5, 6 1 34 37 31 33 28 26 23 25 1500 pF 560 + 820 0.1 F 0.1 F 0.1 F 0.1 F R20 R3 C33 C31 C29 C27 2.2 k Rch Out DVDDIO 3.3 V Differential C34 C32 C30 C28 R4 100 F 100 F 100 F 100 F 2.2 k CPU AVCC R 5.0 V Figure 1. Typical Application Circuit TM MUS-IC is a trademark or a registered trademark of ROHM Co., Ltd. Product structure : Silicon integrated circuit This product has not designed protection against radioactive rays. www.rohm.com TSZ02201-0C2C0E300770-1-2 2020 ROHM Co., Ltd. All rights reserved. 1/51 TSZ22111 14 001 02.Jul.2020 Rev.001 TEST1 TEST2 DSD1 DSDCLK DIN LRCLK BCLK DSD2 TEST3 TEST4 DVDD1 TEST5 DGND1 TEST6 DVDD1 TEST7 DGND1 SDA DVDD1 SCL DGND1 ADDR1, 2 DVDDIO1 DVDD2 DGND2 RESETB DVDDIO2 AVCC R AVCC L AGND1 R AGND1 L AVCC1 R AVCC1 L AGND2 R AGND2 L AVCC2 R AVCC2 L AGND3 R AGND3 L AVCC3 R AVCC3 L 1000 pF // 330 pF 1000 pF // 330 pF 390 390 390 390 390 390 Datasheet BD34301EKV Contents General Description ........................................................................................................................................................................ 1 Features.......................................................................................................................................................................................... 1 Applications .................................................................................................................................................................................... 1 Key Specifications .......................................................................................................................................................................... 1 Package .......................................................................................................................................................................................... 1 Typical Application Circuit ............................................................................................................................................................... 1 TM MUS-IC ....................................................................................................................................................................................... 3 Pin Configuration ............................................................................................................................................................................ 4 Pin Descriptions .............................................................................................................................................................................. 5 Block Diagram ................................................................................................................................................................................ 7 Absolute Maximum Ratings ............................................................................................................................................................ 8 Thermal Resistance ........................................................................................................................................................................ 8 Recommended Operating Conditions ............................................................................................................................................. 8 Electrical Characteristics................................................................................................................................................................. 9 Measurement Circuit ..................................................................................................................................................................... 11 DC Characteristics ........................................................................................................................................................................ 12 AC Characteristics (MCLK, RESETB) .......................................................................................................................................... 12 AC Characteristics (PCM Mode) ................................................................................................................................................... 13 AC Characteristics (DSD Mode) ................................................................................................................................................... 13 AC Characteristics (2-wire I/F) ...................................................................................................................................................... 14 Typical Performance Curves ......................................................................................................................................................... 15 2-wire I/F ....................................................................................................................................................................................... 16 Register Map ................................................................................................................................................................................ 18 Register Description ..................................................................................................................................................................... 20 System Clock ................................................................................................................................................................................ 35 Power-On Sequence .................................................................................................................................................................... 36 Power-Off Sequence..................................................................................................................................................................... 38 Mode Switching Sequence ........................................................................................................................................................... 39 Recommended Settings................................................................................................................................................................ 41 Sound Settings ............................................................................................................................................................................. 41 Application Examples ................................................................................................................................................................... 42 Operational Notes ......................................................................................................................................................................... 47 Ordering Information ..................................................................................................................................................................... 49 Marking Diagrams ......................................................................................................................................................................... 49 Physical Dimension and Packing Information ............................................................................................................................... 50 Revision History ............................................................................................................................................................................ 51 www.rohm.com TSZ02201-0C2C0E300770-1-2 2020 ROHM Co., Ltd. All rights reserved. 2/51 TSZ22111 15 001 02.Jul.2020 Rev.001