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ASAHI KASEI
[AK5385A]
24Bit 192kHz ADC
ST --v
AK5385A
AK5385AInCG"hI*[fBIVXeE*A"KE 8kHz 216kHzT"vS"OZu"g*"`IIXeOE I A/DR"o*[^A**B AK5385AIG"n"Xg*Ef...Arbg / * * AVA"v*A AVOER*[_a"dZqSySi--p"rE*A"KA**B AK5385AI 28pin VSOPU1/2I 28pin SOPpbP*[WEAZA`* e*ASi"AXy*[X*iOEU**B
"A
'*
o T"vS"OOE*[g : 8kHz 216kHz o S(R)`S**"(R)"u--I o S/(N+D): 103dB o DR: 114dB o S/N: 114dB o **"\'1/4*uE`SfBW^tB^"a` 'Eae : 0*21.768kHz (@fs=48kHz) 'EaeSbv : 0.005dB `jZ~aeOE*S--E : 100dB o HPF"a` o "dOE"d : 5%(Ai*O3.0 5.25V(fBW^ 5V ), ) : 183mW o *A"i"d--I (@fs=48kHz) o pbP*[W : 28s" SOP, 28s" VSOP o AK5383/AK5393/AK5394A* s"OEYS*
VCOM OVF M/S DFS1 DFS0 CKS1 CKS0 PDN
VREFL LIN+ LINDelta-Sigma Modulator Decimation Filter HPF Audio I/F Controller RIN+ RINVREFR Delta-Sigma Modulator Decimation Filter HPF LRCK BICK MCLK SDTO
TEST
AVDD AVSS DVDD DVSS BVSS
DIF HPFE
Block diagram
MS0265-J-01 -1-
2003/11
ASAHI KASEI
[AK5385A]
n I*[_S"OKCh
AK5385AVS AK5385AVF AKD5385A -10 ~ +70C -40 ~ +85C AK5385A*]--p{*[h 28pin SOP (1.27mm pitch) 28pin VSOP (0.65mm pitch)
n s""z'u
VREFL AVSS VCOM LIN+ LINCKS0 DVDD DVSS OVF PDN DIF M/S LRCK BICK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 Top View
28 27 26 25 24 23 22 21 20 19 18 17 16 15
VREFR AVSS TEST RIN+ RINAVDD AVSS BVSS DFS1 HPFE DFS0 MCLK CKS1 SDTO
MS0265-J-01 -2-
2003/11
ASAHI KASEI
[AK5385A]
n AK5383/AK5394AAEIOEYS**
AK5385A VREFL AVSS VCOM CKS0 OVF DIF M/S CKS1 DFS0 DFS1 TEST AVSS VREFR 8kHz 216kHz 256/384/512fs 256fs 128fs 114dB 2.9Vpp Not Available AK5383 VREFL GNDL VCOML ZCAL CAL SMODE2 SMODE1 FSYNC DFS TEST VCOMR GNDR VREFR 1kHz 108kHz 256fs 128fs Not Available 110dB 2.45Vpp Available AK5394A VREFL+ VREFL- VCOML ZCAL CAL SMODE2 SMODE1 FSYNC DFS0 DFS1 VCOMR VREFR- VREFR+ 1kHz 216kHz 256fs 128fs 64fs 123dB 2.4Vpp Available
Pin 1 Pin 2 Pin 3 Pin 6 Pin 9 Pin 11 Pin 12 Pin 16 Pin 18 Pin 20 Pin 26 Pin 27 Pin 28 fs MCLK at 48kHz MCLK at 96kHz MCLK at 192kHz DR, S/N Input Voltage Offset Calibration
MS0265-J-01 -3-
2003/11
ASAHI KASEI
[AK5385A]
n AK5383AEIOECAEg"aSr
Analog Ground 10 0.1 1 2 3 0.22 4 5 3.0 ~ 5.25V Digital 10 0.1 6 7 8 9 VREFL GNDL VCOML AINL+ AINLZCAL VD DGND CAL VREFR 28 GNDR 27 VCOMR 26 AINR+ 25 AINR- 24 VA 23 AGND 22 BGND 21 TEST 20 HPFE 19 DFS 18 MCLK 17 FSYNC 16 SDATA 15 10 10 0.22 0.1 5V Analog 3.0 ~ 5.25V Digital 0.1 0.22 0.1 10 10 0.1 1 2 3 4 5 6 7 8 9 VREFL AVSS VCOM LIN+ LINCKS0 DVDD DVSS OVF VREFR 28 AVSS 27 TEST 26 RIN+ 25 RIN- 24 AVDD 23 AVSS 22 BVSS 21 DFS1 20 HPFE 19 DFS0 18 MCLK 17 CKS1 16 SDTO 15 10 0.1 5V Analog 10 Analog Ground 0.1
10 RSTN 11 SMODE2 12 SMODE1 13 LRCK 14 SCLK
10 PDN 11 M/S 12 DIF 13 LRCK 14 BICK
AK5383
AK5385A
Pin # 1
6 9 11 12 16 18 20 26
AK5383 VREFL Lch Voltage Reference Output Pin, 3.75V Normally, connected to GNDL with a 10F electrolytic capacitor and a 0.1F ceramic capacitor. ZCAL Zero Calibration Control Pin This pin controls the calibration reference signal. CAL Calibration Active Signal Pin SMODE2 Serial Interface Mode Select Pin SMODE1 Serial Interface Mode Select Pin FSYNC Frame Synchronization Signal Pin DFS Double Speed Sampling Mode Pin TEST Test Pin (Internal Pull-down Pin) VCOMR Rch Common Voltage Pin, 2.75V VREFR Rch Voltage Reference Output Pin, 3.75V Normally, connected to GNDL with a 10F electrolytic capacitor and a 0.1F ceramic capacitor.
28
AK5385A VREFL Lch Voltage Reference Input Pin, AVDD Normally, connected to AVSS with a 10F electrolytic capacitor and a 0.1F ceramic capacitor. CKS0 Master Clock Select 0 Pin (Internal Pull-down Pin, typ. 100k) OVF Analog Input Overflow Detect Pin DIF Audio Interface Format Pin M/S Master / Slave Mode Pin CKS1 Master Clock Select 1 Pin (Internal Pull-down Pin, typ.100k) DFS0 Sampling Speed Select 0 Pin DFS1 Sampling Speed Select 1 Pin TEST Test Pin (Internal Pull-down Pin, typ. 100k) VREFR Rch Voltage Reference Input Pin, AVDD Normally, connected to AVSS with a 10F electrolytic capacitor and a 0.1F ceramic capacitor.
MS0265-J-01 -4-
2003/11
ASAHI KASEI
[AK5385A]
n AK5394AAEIOECAEg"aSr
Analog Ground 0.1 10 10 0.22 1 2 3 4 5 3.0 ~ 5.25V Digital 0.1 6 7 8 10 9 VREFL+ VREFLVCOML AINL+ AINLZCAL VD DGND CAL VREFR+ 28 VREFR- 27 VCOMR 26 AINR+ 25 AINR- 24 VA 23 AGND 22 BGND 21 DFS1 20 HPFE 19 DFS0 18 MCLK 17 FSYNC 16 SDATA 15 10 10 0.22 0.1 5V Analog 3.0 ~ 5.25V Digital 0.1 0.22 0.1 10 10 10 (short) 0.1 1 2 3 4 5 6 7 8 9 VREFL AVSS VCOM LIN+ LINCKS0 DVDD DVSS OVF VREFR 28 AVSS 27 TEST 26 RIN+ 25 RIN- 24 AVDD 23 AVSS 22 BVSS 21 DFS1 20 HPFE 19 DFS0 18 MCLK 17 CKS1 16 SDTO 15 10 0.1 5V Analog Analog Ground 0.1 10 (short)
10 RSTN 11 SMODE2 12 SMODE1 13 LRCK 14 SCLK
10 PDN 11 M/S 12 DIF 13 LRCK 14 BICK
AK5394A
AK5385A
Pin #
AK5394A VREFL+ Lch Positive Voltage Reference Output Pin, 3.75V Normally connected to AGND with a large electrolytic capacitor and connected to VREFL- with a 0.22F ceramic capacitor. VREFL- Lch Negative Voltage Reference Output Pin, 1.25V Normally connected to AGND with a large electrolytic capacitor and connected to VREFL+ with a 0.22F ceramic capacitor. ZCAL Zero Calibration Control Pin This pin controls the calibration reference signal. CAL Calibration Active Signal Pin SMODE2 Serial Interface Mode Select Pin SMODE1 Serial Interface Mode Select Pin FSYNC Frame Synchronization Signal Pin VREFR- Rch Negative Voltage Reference Output Pin, 1.25V Normally connected to AGND with a large electrolytic capacitor and connected to VREFR+ with a 0.22F ceramic capacitor. VCOMR Rch Common Voltage Pin, 2.75V VREFR+ Rch Positive Reference Output Voltage, 3.75V Normally connected to AGND with a large electrolytic capacitor and connected to VREFR- with a 0.22F ceramic capacitor.
AK5385A VREFL Lch Voltage Reference Input Pin, AVDD Normally, connected to AVSS with a 10F electrolytic capacitor and a 0.1F ceramic capacitor. AVSS Analog Ground Pin
1
2
6 9 11 12 16
CKS0 Master Clock Select 0 Pin (Internal Pull-down Pin, typ. 100k) OVF Analog Input Overflow Detect Pin DIF Audio Interface Format Pin M/S Master / Slave Mode Pin CKS1 Master Clock Select 1 Pin (Internal Pull-down Pin, typ. 100k) AVSS Analog Ground Pin
27
26
28
TEST Test Pin (Internal Pull-down Pin, typ. 100k) VREFR Rch Voltage Reference Input Pin, AVDD Normally, connected to AVSS with a 10F electrolytic capacitor and a 0.1F ceramic capacitor.
MS0265-J-01 -5-
2003/11
ASAHI KASEI
[AK5385A]
s"*^@"\ No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin Name VREFL AVSS VCOM LIN+ LIN- CKS0 DVDD DVSS OVF PDN DIF M/S LRCK BICK SDTO CKS1 MCLK DFS0 HPFE DFS1 BVSS AVSS AVDD RIN- RIN+ TEST AVSS VREFR I/O I O I I I O I I I I/O I/O O I I I I I I I I I Function Lch Voltage Reference Input Pin, AVDD Normally, connected to AVSS with a 10F electrolytic capacitor and a 0.1F ceramic capacitor. Analog Ground Pin Common Voltage Output Pin, AVDD/2 Lch Analog Positive Input Pin Lch Analog Negative Input Pin Master Clock Select 0 Pin (Internal Pull-down Pin, typ. 100k) Digital Power Supply Pin, 3.0 5.25V Digital Ground Pin Analog Input Overflow Detect Pin This pin goes to "H" if analog input overflows. Power Down Mode Pin "H": Power up, "L": Power down Audio Interface Format Pin "H" : 24bit I2S Compatible, "L" : 24bit MSB justified Master / Slave Mode Pin "H" : Master Mode, "L" : Slave Mode Output Channel Clock Pin "L" Output in Master Mode at Power-down mode. Audio Serial Data Clock Pin "L" Output in Master Mode at Power-down mode. Audio Serial Data Output Pin "L" Output at Power-down mode. Master Clock Select 1 Pin (Internal Pull-down Pin, typ. 100k) Master Clock Input Pin Sampling Speed Select 0 Pin High Pass Filter Enable Pin "H" : Enable, "L" : Disable Sampling Speed Select 1 Pin Substrate Ground Pin Analog Ground Pin Analog Power Supply Pin, 4.75 5.25V Rch Analog Negative Input Pin Rch Analog Positive Input Pin Test Pin (Internal Pull-down Pin, typ. 100k) Analog Ground Pin Rch Voltage Reference Input Pin, AVDD Normally, connected to AVSS with a 10F electrolytic capacitor and a 0.1F ceramic capacitor.
Note: All digital input pins except pull-down pins should not be left floating.
MS0265-J-01 -6-
2003/11
ASAHI KASEI
[AK5385A]
n Zg--pEs"I*--*EAA
Zg--pE"u*o--Is" ILI*Y'e*s*A"K*OE*--*A*B ae* Analog Digital s"-1/4 LIN+, LIN- RIN+, RIN- VREFL, VREFR OVF TEST *Y'e AVSSE*U` AVSSE*U` AVDDE*U` I*[v" DVSSE*U`
*a`I*A`a'eSi (AVSS, BVSS, DVSS=0V; Note 1) Parameter Power Supplies: Analog Digital |BVSS - DVSS| (Note 2) Input Current, Any Pin Except Supplies Analog Input Voltage (LIN+/-, RIN+/-, VREFL/R pins) Digital Input Voltage (All digital input pins) Ambient Temperature (Power applied) 28SOP Package 28VSOP Package Storage Temperature
Symbol AVDD DVDD GND IIN VINA VIND Ta Ta Tstg
min -0.3 -0.3 -0.3 -0.3 -10 -40 -65
max 6.0 6.0 0.3 10 AVDD+0.3 DVDD+0.3 70 85 150
Units V V V mA V V C C C
Note 1. "dI`SAO"hs"E`I*e'lA**B Note 2. AVSS, BVSS, DVSSI"Ai*OO"hE*U`A*B
'*O: I'l'|1/2*OE*AZg--p1/2*e**AfoCX"jo*eAE eU**B U1/2*A'E*iI"(R)*iI*U*OeUn*B
**"(R)*i*OE* (AVSS, BVSS, DVSS=0V; Note 1) Parameter Power Supplies Analog (Note 3) Digital Voltage Reference (VREFL/R pins) Symbol AVDD DVDD VREF min 4.75 3.0 3.0 typ 5.0 3.3 max 5.25 AVDD AVDD Units V V V
Note 1. "dI`SAO"hs"E`I*e'lA**B Note 3. AVDDAE DVDDI"dOE--*aV*[P"X*l--*e*K--vI eUn*B
'*O: -{f*[^V*[gEL*UeAe*OE*ESOIZg--pESOAI*A"-ZAI*O"C*(c)EU*IA *\*'*O*B
MS0265-J-01 -7-
2003/11
ASAHI KASEI
[AK5385A]
Ai*O"A* (Ta=25C; AVDD=5.0V, DVDD=3.3V; AVSS=BVSS=DVSS=0V; VREFL=VREFR=AVDD; fs=48kHz, 96kHz, 192kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Data; Measurement frequency=20Hz 20kHz at fs=48kHz, 40Hz 40kHz at fs=96kHz, 40Hz 40kHz at fs=192kHz; unless otherwise specified) Parameter min typ max Units Analog Input Characteristics: Resolution 24 Bits Input Voltage (Note 4) 2.7 2.9 3.1 Vpp -1dBFS (Note 5) 103 dB S/(N+D) fs=48kHz -1dBFS 92 100 dB BW=20kHz -20dBFS 91 dB -60dBFS 51 dB -1dBFS 90 98 dB fs=96kHz -20dBFS 86 dB BW=40kHz -60dBFS 46 dB -1dBFS 98 dB fs=192kHz -20dBFS 86 dB BW=40kHz -60dBFS 46 dB Dynamic Range (-60dBFS with A-weighted) 107 114 dB S/N (A-weighted) 107 114 dB Input Resistance 9 13 k Interchannel Isolation 100 120 dB Interchannel Gain Mismatch 0.1 0.5 dB Power Supply Rejection (Note 6) 50 dB Power Supplies Power Supply Current Normal Operation (PDN pin = "H") AVDD DVDD (fs=48kHz) DVDD (fs=96kHz) DVDD (fs=192kHz) Power down mode (PDN pin = "L") AVDD+DVDD
30 10 17 20 (Note 7) 10
45 15 25 30 100
mA mA mA mA A
Note 4. (LIN+)-(LIN-)yN (RIN+)-(RIN-)I'lA**B VREFL, VREFRI"dE"a--aU**B Vin = 0.58 x VREF (Vpp)*B Note 5. VREFL pinAE AVSSSOyNVREFR pinAE AVSSSOEe1/4e 100F*U`1/2*e*A**B Note 6. VREFL, VREFR pinI"de'eEA AVDD, DVDDE1kHz, 20mVppI*OE*"g*d*o1/2*e*A**B Note 7. `SAIfBW^"u--Is" DVDDU1/2I DVSSEOEA'e1/2ZI'lA**B
MS0265-J-01 -8-
2003/11
ASAHI KASEI
[AK5385A]
tB^"A* (fs=48kHz) (Ta=25C; AVDD=4.75 5.25V; DVDD=3.0 5.25V; DFS1 pin = "L", DFS0 pin = "L") Parameter Symbol min typ ADC Digital Filter (Decimation LPF): Passband (Note 8) -0.005dB PB 0 -0.02dB 22.038 -0.06dB 22.2 -6.0dB 24.0 Stopband SB 26.5 Passband Ripple PR Stopband Attenuation SA 100 Group Delay (Note 9) GD 43.2 Group Delay Distortion GD 0 ADC Digital Filter (HPF): Frequency Response (Note 8) -3dB FR 1.0 -0.1dB 6.5
max 21.5 0.005
Units kHz kHz kHz kHz kHz dB dB 1/fs s Hz Hz
tB^"A* (fs=96kHz) (Ta=25C; AVDD=4.75 5.25V; DVDD=3.0 5.25V; DFS1 pin = "L", DFS0 pin = "H") Parameter Symbol min typ ADC Digital Filter (Decimation LPF): Passband (Note 8) -0.005dB PB 0 -0.02dB 44.081 -0.06dB 44.5 -6.0dB 48.0 Stopband SB 53.0 Passband Ripple PR Stopband Attenuation SA 100 Group Delay (Note 9) GD 43.1 Group Delay Distortion GD 0 ADC Digital Filter (HPF): Frequency Response (Note 8) -3dB FR 2.0 -0.1dB 13.0
max 43.0 0.005
Units kHz kHz kHz kHz kHz dB dB 1/fs s Hz Hz
Note 8. Se*U**"A*IZu"g*"I (VXeT"vS"OOE*[g fs )E"a--aU**BSe"I 1kHzSi*EU**B Note 9. fBW^tB^Eaee'xZZA*AAi*O*M*"u--IeA(c)c--1/4lI 24rbgf*[^ ADC*o--IOEWX^EZbgeeUAIZSOA**B
MS0265-J-01 -9-
2003/11
ASAHI KASEI
[AK5385A]
tB^"A* (fs=192kHz) (Ta=25C; AVDD=4.75 5.25V; DVDD=3.0 5.25V; DFS1 pin = "H", DFS0 pin = "L") Parameter Symbol min typ ADC Digital Filter (Decimation LPF): Passband (Note 8) -0.005dB PB 0 -0.02dB 88.183 -0.06dB 89.0 -6.0dB 96.0 Stopband SB 106.0 Passband Ripple PR Stopband Attenuation SA 100 Group Delay (Note 9) GD 38.2 Group Delay Distortion GD 0 ADC Digital Filter (HPF): Frequency Response (Note 8) -3dB FR 4.0 -0.1dB 26.0
max 86.0 0.005
Units kHz kHz kHz kHz kHz dB dB 1/fs s Hz Hz
Note 8. Se*U**"A*IZu"g*"I (VXeT"vS"OOE*[g fs )E"a--aU**BSe"I 1kHzSi*EU**B Note 9. fBW^tB^Eaee'xZZA*AAi*O*M*"u--IeA(c)c--1/4lI 24rbgf*[^ ADC*o--IOEWX^EZbgeeUAIZSOA**B
DC"A*
(Ta=25C; AVDD=4.75 5.25V; DVDD=3.0 5.25V) Parameter Symbol High-Level Input Voltage VIH Low-Level Input Voltage VIL High-Level Output Voltage (Iout=-400A) VOH Low-Level Output Voltage (Iout=400A) VOL Input Leakage Current (Note 10) Iin min 70%DVDD DVDD-0.4 (typ. 100k) typ max 30%DVDD 0.4 10 Units V V V V A
Note 10. CKS1-0 pin, TEST pinI"a*"Av_E"eAU**B
MS0265-J-01 - 10 -
2003/11
ASAHI KASEI
[AK5385A]
XCb"O"A* (Ta=25C; AVDD=4.75 5.25V; DVDD=3.0 5.25V; CL=20pF) Parameter Symbol min Master Clock Timing Frequency Pulse Width Low Pulse Width High LRCK Frequency Normal Speed Mode Double Speed Mode Quad Speed Mode Duty Cycle fCLK tCLKL tCLKH fsn fsd fsq Slave mode Master mode 2.048 14.5 14.5 8 54 108 45
typ
max 27.648
Units MHz ns ns kHz kHz kHz % %
54 108 216 55 50
Audio Interface Timing Slave mode BICK Period Normal Speed Mode Double Speed Mode Quad Speed Mode BICK Pulse Width Low Pulse Width High LRCK Edge to BICK "" (Note 11) BICK "" to LRCK Edge (Note 11) LRCK to SDTO (MSB) (Except I2S mode) BICK "" to SDTO Master mode BICK Frequency BICK Duty BICK "" to LRCK BICK "" to SDTO Reset Timing PDN Pulse Width PDN "" to SDTO valid (Note 12) (Note 13)
tBCK tBCK tBCK tBCKL tBCKH tLRB tBLR tLRS tBSD fBCK dBCK tMBLR tBSD tPD tPDV
1/128fsn 1/64fsd 1/64fsq 33 33 20 20 20 20 64fs 50 -20 -20 150 516 20 20
ns ns ns ns ns ns ns ns ns Hz % ns ns ns 1/fs
Note 11. IKSi'lI LRCKIGbWAE BICKI ""*dEcEaeEK'eAU**B Note 12. AK5385AI PDN pin = "L"ASZbgeU**B Note 13. PDN pin--*aA(c)cI LRCKN*bNI "In*"A**BKSi'lI}X^*[hAI'lA**B " XOE*[u*[hAI LRCKN*bN 1 (1/fs)'*-EeU**B
MS0265-J-01 - 11 -
2003/11
ASAHI KASEI
[AK5385A]
n ^C~"O"gOE
1/fCLK VIH MCLK VIL tCLKH 1/fs VIH LRCK VIL tBCK VIH BICK VIL tBCKH tBCKL
Clock Timing
tCLKL
VIH LRCK VIL tBLR tLRB VIH BICK VIL tLRS tBSD
SDTO
50%DVDD
Audio Interface Timing (Slave mode)
MS0265-J-01 - 12 -
2003/11
ASAHI KASEI
[AK5385A]
LRCK
50%DVDD
tMBLR
dBCK 50%DVDD
BICK
tBSD
SDTO
50%DVDD
Audio Interface Timing (Master mode)
VIH PDN VIL tPDV
SDTO tPD PDN
50%DVDD
VIL
Power Down & Reset Timing
MS0265-J-01 - 13 -
2003/11
ASAHI KASEI
[AK5385A]
"(R)*i*a-3/4
n VXeN*bN
AK5385AE*K--vAEeeN*bNI CLK, BICK, LRCKA**BMCLKAE M LRCKI"Su*e*K--vI eU**A E`S*ie*K--vI eUn*B Table 1E*W*II*[fBIOE*[gE`IAAK5385AE*K--vAEeeSeN *bNIZu"g*"Z|U**B AK5385AI}X^N*bNZu"g*"I CKS1-0 pin (Table 2)A*Y'e*AT"vS" OZu"g*"I FS1-0 pin (Table 3)A*Y'eU**B D XOE*[u*[hZEI*A AK5385AI LRCKEaeeE`SOEY*onH"a` Ae1/2* "(R)*i'ESeN*bNIZu A "g*"*I*X"TMA"a*"^C~"Oe1/2*e*EIZ(c)"(R)"IESZbg(c)(c)e*AE`S*i*sieU**B XOE*[u*[hAI"(R)*iZ pin = "H")I*ASeSO*"N*bN (PDN (MCLK, BICK, LRCK)Z~AIUn*B ecIN*bNYeE*e**A"a*"E_Ci~bNE*WbNZg--pAe1/2*A"d----e "(R)*iU*iEEeA"\* eU**BN*bNZ~e*e*Ip**[_E"*o`O (PDN pin = "L")EA *B}X^*[hAIp**[_E"ZESOI*ASO*"N*bN (MCLK)YA*B fs 32kHz 44.1kHz 48kHz 96kHz 192kHz MCLK 128fs 256fs 384fs N/A 8.192MHz 12.288MHz N/A 11.2896MHz 16.9344MHz N/A 12.288MHz 18.432MHz N/A 24.576MHz N/A 24.576MHz N/A N/A Table 1. System Clock Example CKS1 pin L L H H CKS0 pin MCLK Frequency L 256fs H 128fs L 512fs H 384fs Table 2. MCLK Frequency DFS0 pin LRCK Frequency L 8kHz fs 54kHz H 54kHz < fs 108kHz L 108kHz < fs 216kHz H N/A Table 3. Sampling Speed
512fs 16.384MHz 22.5792MHz 24.576MHz N/A N/A
DFS1 pin L L H H
[T"vS"OZu"g*"*I*XZI'*O"_ ] XOE*[u*[h /}X^*[hE*A MCLKZu"g*"*I*X*e*e*IPDN pin = "L"ASZbgA*B [--a 12.288MHz(@fs=48kHz)(c)c 24.576MHz(@fs=96kHz)E*I*X*e*e**B ] XOE*[u*[h /}X^*[hE*A CLKZu"g*"OEA'eEA M CKS1-0, DFS1-0 pinAT"vS"OZu"g*" *I*X*e*e*I PDN pin = "L"ASZbg*e*K--vI eUn*B [--a MCLKZu"g*" ] 24.576MHzI UU*A 48kHz(c)c 96kHzE*Oe`O|e*e**B fs
MS0265-J-01 - 14 -
2003/11
ASAHI KASEI
[AK5385A]
n I*[fBIC"^tF*[XtH*[}bg
2Zi--If*[^tH*[}bg DIF pin (Table 4)A`I`AU**B--1/4*[hAEa MSBt@*[Xg*A 2'sR"vS *"gIf*[^tH*[}bgASDTOI BICKI--eA*o--IeU**BI*[fBIC"^tF*[XI} X^*[hAEXOE*[u*[hE`IU**B}X^*[hAI LRCKAE BICKI*o--IEEe*AXOE*[u*[h AI"u--IEEeU**B}X^*[hZILRCKZu"g*"AE BICKZu"g*"Ie1/4e fsAE 64fsA**B Mode 0 1 DIF pin L H SDTO LRCK 24bit, MSB justified H/L 24bit, I2S Compatible L/H Table 4. Audio Interface Format BICK 48fs 48fs Figure Figure 1 Figure 2
LRCK
012 20 21 22 23 24 31 0 1 2 20 21 22 23 24 31 0 1
BICK(64fs) SDTO(o)
23 22 43210 23 22 43210 23
23:MSB, 0:LSB Lch Data Rch Data
Figure 1. Mode 0 Timing
LRCK
0123 21 22 23 24 25 012 21 22 23 24 25 01
BICK(64fs) SDTO(o)
23 22 43210 23 22 43210
23:MSB, 0:LSB Lch Data Rch Data
Figure 2. Mode 1 Timing
n }X^*[hAEXOE*[u*[hI*Oe`O|
}X^*[hAEXOE*[u*[hI*Oe`O|IM/S pinA*sU**B"H"A}X^*[h*A "L"AXOE*[u*[h A**BAK5385A}X^*[hIZEI*AAK5385AEMCLKY*eAE BICK, LRCK*o--IeU**B AK5385AXOE*[u*[hIZEI*A MCLK, BICK, LRCKYA*B M/S pin L H BICK, LRCK BICK = Input Slave Mode LRCK = Input BICK = Output Master Mode LRCK = Output Table 5. Master mode/Slave mode Mode
MS0265-J-01 - 15 -
2003/11
ASAHI KASEI
[AK5385A]
n fBW^ HPF
ADCI DCItZbgL"ZI1/2EfBW^ HPF"a` U**B HPFI fcI*Afs=48kHzZ 1.0HzEEA Ae*AZu"g*""I fsE"a--aU**B HPFE pinI*Y'eEaee*A HPFI ON/OFF*OEa*eAEAU**B'A*A"(R)*i'E HPFI ON/OFF*Y'e*I*X *eAE*A DCItZbg'lI*IEaeeNSbN"-*IOEoAEEeU** *Y'e*I*XIp**[_E" (PDN pin = B "L")ZE*sAE**U**B
n I*[ot**[OEY*o@"\
AK5385AIAi*O"u--III*[ot**[OEY*o@"\Z*U**B LchU1/2I RchIAi*O"u--II*[ot**[ *eAE (-0.3dBFSE*a)*A OVF pin "H"EEeU**BI*[ot**[1/2Ai*O"u--IE`I*e OVF*o--II DC A AE"OEQ'x = 43.2/fs = 0.9ms@fs=48kHz)Z*U**Bp**[_E"*oeOEa pin = "L" "H")*A (GD (PDN 516/fs(=10.75ms@fs=48kHz)ISOOVF pinI "L"A*AIOEaI*[ot**[OEY*o@"\--LOEoEEeU**B
n p**[_E"AESZbg
AK5385AI PDN pin "L"E*eAEAp**[_E"*[hEAU**BIZ*A"ZEfBW^tB^ SZbgeU**BISZbgI"dOE"S"uZE*Ke"x*sAA*Bp**[_E"*[hZIVCOM I AVSSI"dEEeU**Bp**[_E"*[h*oeeeAE*SuTCNSJZneU**BI1/2*A *o--If*[^ DTOI 516 x LRCKTCNOEaSm'eU**B*Su'I--1/4lI S ADC*o--If*[^I2'sR"v S*"gI"0"A* *Su*I--OEa*A A ADC*o--IIAi*O"u--I*M*E`S"-*ef*[^EZgS"OU* (ZgS "OIOEQ'xZSO'o"x(c)(c)eU* )*B "dOE"S"uZ*Ae"x PDN pin "L"EASZbgA*BIOEa*A PDN pin "H"E*eAESZbgyNp **[_E"IMCLKA*oee*A LRCKI--*aeGbW (*o--ItH*[}bg ode 1IZI--eG M bW )E"SuA"a*"I^C~"O"(R)*iU **B
(1)
PDN Internal State A/D In (Analog) A/D Out (Digital) Clock In
MCLK,LRCK,BICK
Normal Operation GD (2)
Power-down
Initialize
Normal Operation GD
Idle Noise
(3) "0"data
"0"data
Idle Noise
(4)
Notes: (1) XOE*[u*[hZI 517/fs*A}X^*[hZI 516/fsA**B (2) Ai*O"u--IE`I*efBW^*o--IIOEQ'x (GD)Z*U**B (3) p**[_E"Z*A ADC*o--II 0"f*[^A**B " (4) SeN*bN (MCLK, BICK, LRCK)I"u--IZ~e*e*Ip**[_E"A*B Figure 3. Power-down/up sequence example
MS0265-J-01 - 16 -
2003/11
ASAHI KASEI
[AK5385A]
VXe*YOEv Figure 4IVXe*U`--aA**Bi`I"IEnHAE`'e--aEAAI*]{*[h (AKD5385A)ZQ*AEA*B
0.1 1 VREFL 10 2 AVSS 0.22 3 VCOM 4 LIN+ 5 LIN6 CKS0 Digital Supply 3.0 ~ 5.25V 0.1 7 DVDD 10 8 DVSS 9 OVF Reset 10 PDN 11 DIF 12 M/S 13 LRCK 14 BICK AVSS 27 TEST 26 RIN+ 25 RIN- 24 VREFR 28
0.1 10
0.1 AVDD 23
AK5385A
10 AVSS 22 BVSS 21 DFS1 20 HPFE 19 DFS0 18 MCLK 17 CKS1 16 SDTO 15
Analog Supply 4.75 ~ 5.25V
DSP and uP
'*: - AK5385AI AVSS, BVSS, DVSSAEZu*OR"g**["TMIO"hI*A"z*uA*B - v_E"s" (CKS0, CKS1, TEST pin)ESOIfBW^"u--Is"II*[v"EEA*B Figure 4. Typical Connection Diagram
Digital Ground
Analog Ground
1 2 3 4 VREFL AVSS VCOM LIN+ LINCKS0 DVDD DVSS OVF PDN DIF M/S LRCK BICK VREFR AVSS TEST RIN+ 28 27 26 25 24 23 22 21 20 19 18 17 16 15
System Controller
5 6 7 8 9 10 11 12 13 14
AK5385A
RINAVDD AVSS BVSS DFS1 HPFE DFS0 MCLK CKS1 SDTO
Figure 5.Ground Layout '*: - AVSS, BVSS, DVSSI"Ai*OO"hE*U`A*B
MS0265-J-01 - 17 -
2003/11
ASAHI KASEI
[AK5385A]
1. O"hAE"dOEIfJbvS"O "dOEAEO"hIZaee*uEI*\*'*OA*B AVDD, DVDD*E"dOEAYee*e*EI*A"dOE-- *aV*[P"X*l|e*K--vI eUn*B AVSS, BVSS, DVSSIAi*OO"hE*U`A*B VX eIO"hIAi*OAEfBW^A*A"z*u PC{*[h*aI"dOEEAEeA*U`A*B *--e--EIfJbvS "OR"f"TIEex-"dOEs"I-E*U`A*B 2. Si*"d A/D*IS*ISi*"dI VREFL/R pinI"dAE AVSS pinI"dI**A**B AVSS pinIAi*OO"hE*U`*A VREFL/R pinEI"dOEAE"--l*A*Zu"gmCY*oeZ*e1/2E 0.1FIZ~bNR"f"TAE 10FE*aI"d R"f"T VREFL/R pinAE AVSSSOE*U`A*B"AEZ~bNR"f"TIs"EAe3/4 AA*U`A*BcEfBW^*M**A"AEN*bNI*I'SiOIJbvS"O "e1/2E VREFL/R pin(c)cAe3/4--A*B VCOMIAi*O*M*IR""dAEAZgieU**BIs"EI*Zu"gmCY*oeZ*e1/2E 0.22F 'o"xIZ~bNR"f"TAVSSAEISOE*U`A*B"AE*AZ~bNR"f"TIs"EAe 3/4AA*U`A*B VCOM pin(c)c"d--ZaeAAIUn*BfBW^*M**A"AEN*bNI *I'SiOIJbvS"O"e1/2*A VCOM pin(c)cAe3/4--A*B 3. Ai*O"u--I Ai*O"u--I*M*ISelI **"(R)"u--Is"(c)c*I'SiE"u--IeU**B"u--I"dI LIN+(RIN+)AE LIN-(RIN-)I**I"dEEeU**B"u--IOE"WI 2.9Vpp (typ)A**BAK5385AI AVSS(c)c AVDDUAI"d "u--I*eAEAU**B*o--IR*[hItH*[}bgI 2'sR"vS*"gA**B DCItZbg (ADCZ(c)`I I DCItZbgaSU )I"a` I HPFAL"ZeU**B AK5385AI 128fs (6.144MHz@fs=48kHz, Normal Speed Mode)AAi*O"u--IT"vS"OU**Bf BW^ tB^I*A 128fsI*(R)*""{*tI`Nae*oe-`jZ~aeE*aImCY`SA*oeZU**BUAEnCII*[fB I*M*AI 128fs*tE`aEmCYZ*AAEI eUnIA*SE'PE RCtB^A 128fs*tImCY A *\*EOE*SeAEAU**B AK5385AIAi*O"dOE"dI +5VEEAAe*Ai*O"u--Is"(LIN+/-, RIN+/-)EI*A A AVDD+0.3VE*a*A AVSS-0.3VEI"dAE 10mAE*aI"d--"u--IAIUn*B`a"d--I--"uI"a*"I*UOEinHI"j o*AcEIbA bvoN*A ICI"joEZSeU**B*]AA*AZu*OIAi*OnHI"dOE"d*A 15V"TMI*e*IAi*O"u--Is"*a`I*A`a'eSiE*aI*M*(c)c*UOEi*e*K--v eU**B
MS0265-J-01 - 18 -
2003/11
ASAHI KASEI
[AK5385A]
4. SO*"Ai*O"u--InH--a Figure 6I"u--Iobt@nH--aA**B"1/2"]*E"1/2"]nHEaeeQC" -10dBI**"(R)"u--InHA**B LIN+/-(RIN+/-) SOI10nFI* *I'SiIN*bNtB*[hX*[Zaee1/2IR"f"TA** U1/2*A22 A B 360kHz IJbgItZ*A LPFEEAAU**B`O'iA"vI-n 370kHzIJ bgItZ*ALPFEEAAU**B*U *xI*]{*[hZQ*AEA*B
910 4.7k 4.7k Analog In VP9.56Vpp NJM5532 Bias 910 470p VA 10k 47 0.1 10 Bias 10k VA = 5V VP+ = 15V VP- = -15V 3k 10n VP+ 47 3k 470p 2.9Vpp 4 LIN+
22
AK5385A
22 5 LINBias 2.9Vpp
Figure 6.Input Buffer example Figure 7I AK5385AIAi*O"u--InH--ast order HPF: fc=0.66Hz, Table 6; 1st order LPF: fc=590kHz, 2(1 gain=-14dB, Table 7)A**BV"OG"hA"u--I*e*e*I**"(R)"u--I*e*e*AE"aSrA"1/2"]obt@e A`*|U**BFigure 7AIV"OG"hI*e*IJP1, 2V*[g*A**"(R)I*e*I 2I*[v"EU**B JP1, InHI"u--IOExI+/-14.7VppA**B
14.7Vpp JP1 BNC VA 4.7k 4.7k JP2 Vin14.7Vpp 22 1k NJM5534 XLR 10 0.1 4.7k Bias 4.7k 10k 91 1.5n 10k NJM5534 Vin+ 22 1k 91
2.9Vpp 4 LIN+
100
AK5385A
5 LIN2.9Vpp
NJM5534
Figure 7.Input Buffer example
fin 1Hz 10Hz Frequency Response -1.56dB -0.02dB Table 6. Frequency Response of HPF fin 20kHz 40kHz Frequency Response -0.005dB -0.02dB Table 7. Frequency Response of LPF 6.144MHz -15.6dB
MS0265-J-01 - 19 -
2003/11
ASAHI KASEI
[AK5385A]
5. `'e--a Figure 8I VREFL/R pinE0.1FIR"f"TAE*A--nE*U`eeR"f"TI--e--EAE S/(N+D)ISOOEWZ|1/2 aIA**BZR"f"TI--e--E*A*cZc"A*A**B [`'e*OE* ] *E AVDD = 5.0V, DVDD = 3.3V; AVSS = BVSS = DVSS = 0V *E = 48kHz fs *E`'e`N ae = 10Hz 20kHz *E = 25C Ta *E Audio Precision System Two CascadeZg--p S/(N+D) vs. VREF Cap 106.0 105.0 104.0 103.0 102.0 101.0 100.0 0 50 100 150 VREF Cap [uF] Lch Rch 200 250
S/(N+D) [dB]
Figure 8. S/(N+D) vs. VREF Cap 6. **"foCXI"Su AK5385AVXe*aA**"OEAZg*e*e**ASefoCXSOA"ZET"vS"O*e1/2EI'*O*K--v A**B"SuT"vS"O*e1/2EI*A MCLKAE LRCKIVXe*aIAK5385A`SAE`IA"^C~"O A e*K--v eU**BVXe*aI`SAI AK5385A"N*bNGbWA AD*IS*e1/2EI*A AK5385AOISZbg*M* MCLKIGbWE*dEcEaeEA*A"ZESZbg*sAA*B
MS0265-J-01 - 20 -
2003/11
ASAHI KASEI
[AK5385A]
pbP*[W(AK5385AVF)
28pin VSOP (Unit: mm)
*9.80.2 0.675 28 15 A 7.60.2 +0.1 0.15-0.05 0.10.1 Detail A 0.50.2 Seating Plane | 0.10 NOTE: Dimension "*" does not include mold flash. 0-10 2003/11 - 21 1.250.2
1 0.220.1
14 0.65
n Material & Lead finish
Package molding compound: Lead frame material: Lead frame surface treatment: Epoxy Cu Solder (Pb free) plate
MS0265-J-01
*5.60.2
ASAHI KASEI
[AK5385A]
pbP*[W(AK5385AVS)
28pin SOP (Unit: mm)
10.4 0.3
7.5 0.2
1.095TYP 18.70.3 2.2 0.1
+0.1 0.15-0.05
0.10
0.40.1
0.12 M 0-10
n Material & Lead finish
Package molding compound: Lead frame material: Lead frame surface treatment: Epoxy Cu Solder (Pb free) plate
MS0265-J-01 - 22 -
+0.1 0.1-0.05
1.27
0.75 0.2 2003/11
ASAHI KASEI
[AK5385A]
}*[L"O (AK5385AVF)
AKM AK5385AVF XXXBYYYYC
XXXBYYYYC
Date code identifier
XXXB : Lot number (X : Digit number, B : Alpha character) YYYYC : Assembly date (Y : Digit number, C : Alpha character)
MS0265-J-01 - 23 -
2003/11
ASAHI KASEI
[AK5385A]
}*[L"O (AK5385AVS)
AKM AK5385AVS
XXXBYYYYC
XXXBYYYYC
Date code identifier
XXXB : Lot number (X : Digit number, B : Alpha character) YYYYC : Assembly date (Y : Digit number, C : Alpha character)
*d--vE'*OZ-*
*
* * *
* *
{ * * ] { { }(R) * ... * (c) { ( ) * * * (c) xTM (R) ...TM (R)/ * / (c) (c) (c) / / (c) ] (c) /(c) (R) /*
MS0265-J-01 - 24 -
2003/11

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