ASAHI KASEI [AK5393] AK5393 Enhanced Dual Bit ∆Σ 96kHz 24-Bit ADC AK5393 108kHz 24 128 2ch A/D AK5393 AK5393 5V 3.3V 3.3V IC I/F o : 1kHz 108kHz o o S/(N+D): 105dB o DR: 117dB o S/N: 117dB o : 0 21.768kHz (@fs=48kHz) : 0.001dB : 110dB o HPF o 5V 5% 3 5.25V o 470mW o 28 SOP o AK5392 SMODE1 SMODE2 12 VREFL GNDL VCOML AINL+ AINLZCAL AINR+ AINRVCOMR VREFR GNDR 1 SCLK LRCK FSYNC 14 13 16 11 15 Serial Output Interface Voltage Reference 2 SDATA 3 4 5 6 25 24 Delta-Sigma Modulator Decimation Filter HPF Delta-Sigma Modulator Decimation Filter HPF 19 HPFE 17 18 MCLK DFS 26 28 27 23 VA Voltage Reference 22 AGND Controller 21 BGND 9 CAL M0038-J-04 10 RST Calibration SRAM 7 VD 8 DGND 2000/4 -1- ASAHI KASEI [AK5393] n AK5393-VS AKD5393 –10~+70°C 28pin SOP AK5393 Evaluation Board n VREFL 1 28 VREFR GNDL 2 27 GNDR VCOML 3 26 VCOMR AINL+ 4 25 AINR+ AINL- 5 24 AINR- ZCAL 6 23 VA VD 7 22 AGND DGND 8 21 BGND CAL 9 20 TEST RST 10 19 HPFE SMODE2 11 18 DFS SMODE1 12 17 MCLK LRCK 13 16 FSYNC SCLK 14 15 SDATA Top View n AK5392 Pin 18 fs (max) MCLK (DFS ="L"@fs=48kHz) MCLK (DFS ="H"@fs=96kHz) AK5392 AK5393 CMODE 54kHz 256fs/384fs DFS 108kHz 256fs 128fs M0038-J-04 2000/4 -2- ASAHI KASEI No. 1 2 3 4 5 6 Pin Name VREFL GNDL VCOML AINL+ AINLZCAL [AK5393] I/O O O I I I Lch GNDL Function 3.75V 10µF Lch Lch Lch Lch , 0V , 2.75V "L" VCOML , VCOMR "H" 7 VD - 8 9 DGND CAL O 0.1µF AINL ,AINR 3.3V "H" RST DFS ="L" DFS ="H" 10 RST "H" 8704LRCK 17408LRCK I "L" 11 12 SMODE2 SMODE1 13 LRCK "L" "L" I I I/O "H" MSB , 2's SMODE2 SMODE1 MODE LRCK L L Slave mode : : H/L L H Master mode : I S : H/L H L Slave mode :I S : L/H H H Master mode : I S : L/H L/R SMODE1="H" SMODE2="L" "H" SMODE2="H" "L" M0038-J-04 2000/4 -3- ASAHI KASEI 14 SCLK [AK5393] I/O Slave mode: 48fs Master mode: 128fs(DFS ="L") 64fs(DFS ="H") "L" 15 SDATA O MSB 16 FSYNC , 2's "L" I/O Slave mode: "H" SDATA care Master mode: 2fs 17 MCLK I 18 DFS I I S Don’t "L" 256fs at DFS ="L", 128fs at DFS ="H" 19 HPFE I 20 TEST I "L": "H": HPF "L": OFF "H": ON ( pull-down pin) GND 21 22 23 24 25 26 27 28 BGND AGND VA AINRAINR+ VCOMR GNDR VREFR I I O O , 0V , 0V , 5V Rch Rch Rch Rch Rch GNDR , 2.75V 0V 3.75V 10µF M0038-J-04 0.1µF 2000/4 -4- ASAHI KASEI [AK5393] (AGND,BGND,DGND=0V; Note 1) Parameter Symbol min max Units Power Supplies: Analog Digital |BGND-DGND| (Note 2) Input Current, Any Pin Except Supplies Analog Input Voltage VA VD ∆GND IIN VINA -0.3 -0.3 -0.3 6.0 6.0 0.3 ±10 VA+0.3 V V V mA V Digital Input Voltage Ambient Temperature (power applied) Storage Temperature Notes: 1. 2. AGND, BGND, DGND VIND Ta Tstg -0.3 -10 -65 VD+0.3 70 150 V °C °C IC (AGND,BGND,DGND=0V; Note 1) Parameter Power Supplies: Analog (Note 3) Digital Notes: 1. 3. VA VD Symbol min typ max Units VA VD 4.75 3.0 5.0 3.3 5.25 5.25 V V M0038-J-04 2000/4 -5- ASAHI KASEI ( [AK5393] Ta=25 =1kHz; 24 ; VA=5.0V; VD=3.3V; AGND,BGND,DGND=0V; fs=48kHz; ; =10Hz 20kHz) Parameter min typ Resolution 24 Analog Input Characteristics: S/(N+D) fs=48kHz -1dBFS -20dBFS -60dBFS fs=96kHz -1dBFS BW=40kHz -20dBFS -60dBFS Dynamic Range (-60dBFS with A-Weighted ) S/N ( A-Weighted ) Interchannel Isolation Interchannel Gain Mismatch Gain Drift Offset Error after calibration, HPF=OFF after calibration, HPF=ON Offset Drift (HPF=OFF) Offset Calibration Range (HPF=OFF) 98 96 112 112 110 Input Voltage (AIN+)-(AIN-) Input Impedance ±2.3 2.4 - Power Supplies Power Supply Current VA VD (fs=48kHz; DFS ="L") (fs=96kHz; DFS ="H") Power Dissipation Power Supply Rejection (Note 4) Notes: 4. max 1kHz 105 94 54 103 85 45 117 117 120 0.1 ±200 ±1 ±10 ±50 0.5 150 ±1000 - Units Bits dB dB dB dB dB dB dB dB dB dB ppm/°C LSB24 LSB24 LSB24/°C mV ±2.45 4 ±2.6 V kΩ 90 6 9 470 70 130 9 14 680 mA mA mA mW dB 20mVpp M0038-J-04 2000/4 -6- ASAHI KASEI [AK5393] (fs=48kHz) (Ta=25°C; VA=5.0V±5%; VD=3.0~5.25V; fs=48kHz, DFS ="L") Parameter ADC Digital Filter(Decimation LPF): Passband (Note 5) Stopband (Note 5) Passband Ripple Stopband Attenuation (Note 6) Group Delay Distortion Group Delay (Note 7) ADC Digital Filter(HPF): Frequency response (Note 5) -3dB -0.1dB Symbol min PB SB PR SA ∆GD GD 0 26.232 typ max Units 21.768 0 38.7 kHz kHz dB dB us 1/fs 1.0 6.5 Hz Hz ±0.001 110 FR (fs=96kHz) (Ta=25°C; VA=5.0V±5%; VD=3.0~5.25V; fs=96kHz, DFS ="H") Parameter Symbol min typ ADC Digital Filter(Decimation LPF): Passband (Note 5) PB 0 Stopband (Note 5) SB 52.464 Passband Ripple PR Stopband Attenuation (Note 8) SA 110 Group Delay Distortion ∆GD 0 Group Delay (Note 7) GD 38.8 ADC Digital Filter(HPF): Frequency response (Note 5) Notes: 5. 6. fs=48KHz -3dB FR -0.1dB fs 6.144MHz n x 6.144MHz 2.0 13.0 HPF: ON 6.144MHz n x 6.144MHz M0038-J-04 Units 43.536 kHz kHz dB dB us 1/fs ±0.003 Hz Hz 21.768kHz ;n=0,1,2,3··· 7. 40.8/fs(DFS ="H") typ. 8. fs=96KHz max 24 40.7/fs(DFS ="L"), 43.536kHz ;n=0,1,2,3··· 2000/4 -7- ASAHI KASEI [AK5393] DC (Ta=25°C; VA=5.0V±5%; VD=3.0 ~ 5.25V) Parameter High-Level Input Voltage Low-Level Input Voltage High-Level Output Voltage Iout=-20µA Low-Level Output Voltage Iout=20µA Input Leakage Current Symbol VIH VIL VOH VOL Iin min 70%VD VD-0.1 - typ - max 30%VD 0.1 ±10 Units V V V V µA SWITCHING CHARACTERISTICS (Ta=25°C; VA=5.0V±5%; VD=3.0 ~ 5.25V; CL=20pF) Parameter Control Clock Frequency Master Clock 256fs: Pulse width Low Pulse width High Serial Data Output Clock (SCLK) Channel Select Clock (LRCK) duty cycle Serial Interface Timing (Note 9) Slave Mode(SMODE1="L") SCLK Period SCLK Pulse width Low Pulse width High SCLK falling to LRCK Edge (Note 10) LRCK Edge to SDATA MSB Valid SCLK falling to SDATA Valid SCLK falling to FSYNC Edge Master Mode(SMODE1="H") SCLK Frequency (DFS ="L") SCLK Frequency (DFS ="H") duty cycle FSYNC Frequency duty cycle SCLK falling to LRCK Edge LRCK Edge to FSYNC rising SCLK falling to SDATA Valid SCLK falling to FSYNC Edge Reset/Calibration timing RST Pulse width RST falling to CAL rising RST rising to CAL falling (Note 11) RST rising to SDATA Valid (Note 11) Notes: 9. 10. 11. RST Symbol min typ max Units fCLK tCLKL tCLKH fSLK fs 0.256 29 29 12.288 13.824 6.144 48 6.912 108 75 MHz ns ns MHz kHz % tSLK tSLKL tSLKH tSLR tDLR tDSS tSF 144.7 65 65 -45 45 45 45 45 ns ns ns ns ns ns ns 1 25 -45 fSLK fSLK 128fs 64fs 50 2fs 50 fFSYNC tSLR tLRF tDSS tSF -20 tRTW tRCR tRCF tRTV 150 SCLK " " LRCK " " 1-LRCK (1/fs) tRCF=17408,tRTV=17920 20 1 45 20 -20 50 8704 8960 Hz Hz % Hz % ns tslk ns ns ns ns 1/fs 1/fs LRCK M0038-J-04 DFS ="H" 2000/4 -8- ASAHI KASEI [AK5393] n tSLK LRCK tSLKL tSLKH tSLR SCLK tDSS tDLR MSB SDATA MSB-1 MSB-2 Serial Data Timing (Slave Mode, FSYNC="H") LRCK tSLR SCLK tSF tSF FSYNC tDSS tDLR MSB SDATA D1 D0 Serial Data Timing (Slave Mode) tSLK LRCK tSLKL tSLKH tSLR SCLK tDSS MSB SDATA tDSS MSB-1 Serial Data Timing (I2S Slave Mode, FSYNC = Don't Care) M0038-J-04 2000/4 -9- ASAHI KASEI [AK5393] LRCK tSLR SCLK tSF FSYNC tSF tLRF tDSS SDATA MSB MSB-1 Serial Data Timing (Master Mode & I2S Master Mode, DFS ="L") tRTW tRTV RST tRCF CAL tRCR SDATA Reset & Calibration Timing M0038-J-04 2000/4 - 10 - ASAHI KASEI [AK5393] n AK5393 MCLK, LRCK(fs), SCLK (DFS ="L") MCLK 128fs AK5393 MCLK LRCK MCLK 256fs AK5393 (DFS="H") LRCK ( RST ="L") MCLK, SCLK, LRCK Speed LRCK (max) SCLK MCLK fs 32.0kHz 44.1kHz 48.0kHz 96.0kHz Normal(DFS ="L") 54kHz ~128fs 256fs MCLK 8.1920MHz 11.2896MHz 12.2880MHz 12.2880MHz Double(DFS ="H") 108kHz ~64fs 128fs SCLK 4.0960MHz 5.6448MHz 6.1440MHz 6.1440MHz n AK5393 4 LRCK SDATA SMODE2,SMODE1 fs SMODE2,SMODE1 A/D SCLK 2's MSB Figure Figure 1 Figure 2 Figure 3 Figure 4 SMODE2 L L H H SMODE1 L H L H Mode Slave Mode Master Mode I2S Slave Mode I2S Master Mode M0038-J-04 LRCK Lch = H, Rch =L Lch =H, Rch =L Lch =L, Rch =H Lch =L, Rch =H 2000/4 - 11 - ASAHI KASEI [AK5393] LRCK(i) 0 1 2 3 20 21 22 23 24 25 15 0 1 2 3 20 21 22 23 24 25 0 1 SCLK(i) FSYNC(i) SDATA(o) 23 22 21 4 3 2 0 1 23 22 21 7 4 3 Lch Data 2 1 0 23 2 1 24 25 22 Rch Data FSYNC(i) SDATA(o) 23 22 5 4 3 1 2 0 23 22 5 4 3 0 23 23:MSB,0:LSB LRCK(o) 0 1 2 3 20 21 22 23 24 25 15 33 34 0 1 2 3 20 21 22 23 33 34 0 1 SCLK(o) FSYNC(o) SDATA(o) 23 22 5 4 3 1 2 0 23 22 5 4 3 2 1 0 23 Rch Data Lch Data 23:MSB,0:LSB LRCK(i) 0 1 2 3 19 20 21 22 23 24 0 1 2 3 19 20 21 22 23 24 0 1 SCLK(i) SDATA(o) 23 22 6 5 4 3 2 1 0 23 22 6 5 4 3 2 1 0 23 Rch Data Lch Data 23:MSB,0:LSB ’ LRCK(o) 0 1 2 3 20 21 22 23 24 25 15 33 34 0 1 2 3 20 21 22 23 24 25 33 34 0 1 SCLK(o) FSYNC(o) SDATA(o) 23 22 5 4 3 2 1 0 23 Lch Data 23 22 5 4 3 2 1 0 23 Rch Data 23:MSB,0:LSB M0038-J-04 2000/4 - 12 - ASAHI KASEI [AK5393] n RST "L" "H" ZCAL VCOM VCOM n ZCAL CAL AIN+/"L" "H" "H" HPF AK5393 DC HPF HPF fc fs=48kHz 1Hz fs M0038-J-04 2000/4 - 13 - ASAHI KASEI [AK5393] 5 AKD5393 10µ 0.1µ + 1 VREFL VREFR 28 2 GNDL GNDR 27 3 VCOML VCOMR 26 Lch+ 4 AINL+ AINR+ 25 Rch+ Lch- 5 AINL- AINR- 24 Rch- 6 ZCAL VA 23 10µ 0.22µ 0.22µ +3.3~5V Digital + 0.1µ AK5393 0.1µ + 10µ 7 VD AGND 22 8 DGND BGND 21 9 CAL TEST 20 HPFE 19 + +5V Analog 10µ 0.1µ Reset & Cal Control 10 RST Mode 11 SMODE2 DFS 18 Select 12 SMODE1 MCLK 17 13 LRCK FSYNC 16 14 SCLK SDATA 15 fs System Controller 256fs@fs=48k System Ground Analog Ground Notes: - LRCK = fs, SCLK=64fs. - VA VD - AGND, BGND, DGND / Digital Ground Analog Ground System Controller 1 VREFL VREFR 28 2 GNDL GNDR 27 3 VCOML VCOMR 26 4 AINL+ AINR+ 25 5 AINL- AINR- 24 6 ZCAL VA 23 7 VD AGND 22 8 DGND BGND 21 9 CAL TEST 20 HPFE 19 10 M0038-J-04 RST AK5393 11 SMODE2 DFS 18 12 SMODE1 MCLK 17 13 LRCK FSYNC 16 14 SCLK SDATA 15 2000/4 - 14 - ASAHI KASEI [AK5393] 1. PC 2. VCOM A/D VREFL/R VREFL/R VREFL/R GNDL/R GNDL/R 0.1µF GNDL/R AGND 10µF VREFL/R VREFL/R VCOM 0.22µF AGND VCOM VCOM AIN+ 2.45Vpp(typ) 2's 7FFFFFH(@24bit) 000000H(@24bit) DC AK5393 128fs(6.144MHz @fs=48kHz,DFS="L") 128fs 128fs RC AK5393 AIN- AK5393 AGND VA 2 800000H(@24bit) +5V 128fs AIN+/- VA+0.3V AGND-0.3V 10mA IC 15V M0038-J-04 2000/4 - 15 - ASAHI KASEI [AK5393] -10dB LPF 370kHz 4.7k 4.7k Analog In 10nF 910 VP+ AK5393 470p 47µ + 8.1Vpp AIN+/360kHz 22Ω LPF 3k Bias VP- 22 + 2.45Vpp AIN+ 910 NJM5532 10n 470p 47µ 3k VA+ 22 - VA=±5V AIN- + VP=±15V 10k Bias Bias 2.45Vpp CAL + 10k 0.1 µ 10µ 8 "L" at self calibration 2 (1st order HPF; fc=0.66Hz, 4 1st order LPF; fc=590kHz, gain=-14dB, 5) ( JP1, JP2 ) +/-12.4Vpp AK5393 JP1, JP2 (AK5393: +/-2.45Vpp Typ.). 12.4Vpp BNC ZCAL JP1 22u Vin+ 1k 180 - AK5393 AIN+ + 2.45Vpp NJM5534 VA 10k XLR 4.7k 0.1u 4.7k 4.7k 4.7k 10u + 180 - 2.45Vpp + Vin- NJM5534 100 10k JP2 - 1.5n Bias 22u 12.4Vpp 1k NJM5534 AK5393 AIN- 8. fin 1Hz 10Hz Frequency Response -1.56dB -0.02dB 4 Frequency Response of HPF fin 20kHz 40kHz Frequency Response -0.005dB -0.02dB 5 Frequency Response of LPF M0038-J-04 6.144MHz -15.6dB 2000/4 - 16 - ASAHI KASEI [AK5393] 1.095TYP 18.7±0.3 2.2 ± 0.1 +0.1 0.15-0.05 0.10 0.4±0.1 +0.1 0.1-0.05 1.27 0.75 ± 0.2 10.4 ± 0.3 7.5 ± 0.2 28pin SOP (Unit: mm) 0.12 M 0-10° n M0038-J-04 2000/4 - 17 - ASAHI KASEI [AK5393] AKM JAPAN AK5393VS XXXBYYYYC XXXBYYYYC XXXB: YYYYC: (X : (Y : ,B: ,C: ) ) • • • • • • M0038-J-04 2000/4 - 18 -