Arcam rDac User Manual

ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
L198_CT3_DAC.SchDoc
rDAC DAC and filter
Contact Engineer:
L198CT
22/09/2010
INITIALS
Printed:
4 5Sheet of
Notes:
Contact Tel: (01223) 203207 tel NoPeter Kuell
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A3
ARCAM
CSB/SADDR/I2S
28
DVDD
8
DGND
7
LRCLK/DSDL/DSDIN
1
BCLK/DSD64CLK
3
DIN/DINL
2
DIFFHW
6
MCLK
5
OSR/DSDR
22
VOUTL+
17
FSEL/DINR
4
VOUTR+
12
MODE/LRSEL
24
AGNDL
19
ZFLAG
21
VOUTL-
16
VMIDL
18
VOUTR-
13
AVDDR
9
AGNDR
10
VMIDR
11
SCLK/DSD
27
IWO/DOUT
23
MUTEB/SDOUT
25
SDIN/DEEMPH
26
AVDDL
20
AGND
14
AVDD
15
IC301
WM8741GEDS
DGND
WM8741 Decoupling
1 pair per power pin
DAC_SDATA
DAC_LRCK
DAC_BCK
DAC_MCLK
DGND DGND
DGND
DGND DGND
+5VDAC
50V
C315
10UF
50V
C316
10UF
DGND
pin 26 SDA input
50V
C304
100P
NF
DGND
DGND
50V
C305
33P
0W063
R310
47K
DGND
0W063
R307
47R
+5VA
+5VA
-5VA
-5VA
50V
C314
100P
NF
DGND
DGND
DGND
50V
C318
33P
0W063
R330
47K
DGND
0W063
R328
47R
16V
C329
100N
16V
C335
100N
DGND
+5VA
-5VA
50V
C331
68N
16V
C327
100N
16V
C333
100N
DGND
+5VA
-5VA
50V
C330
68N
Op-amp Decoupling
1 pair per power pin
DGND
D300
BAT54S
+5VA
-5VA
50V
C301
10N
50V
C300
10N
DGND DGND
D301
BAT54S
+5VA
-5VA
50V
C313
10N
50V
C312
10N
DGNDDGND
DGND
If using WM8741 DAC - Filter values:
R(in) = 5k6
R(fb) = 7k5
R(ff) = 3k3
C(in) = 560p
C(fb) = 180p
2nd order Bessel filter characteristics (from simulation):
-3dB = 78.5kHz
@20kHz = -0.175dB
@1MHz = -40.0dB
passband gain = +2.54dB
passband out level = 2.128Vrms (5.0V DAC supply)
passband out level = 2.341Vrms (5.5V DAC supply)
Group delay passband = 2.7724uS
Group delay delta = -2.0238nS
Inverting input load (min) = 3.56k
Special note about WM8741:
With non-emphasised audio data, DAC can internally
reduce gain by 2dB before the digital filter to reduce disc
clipping artefacts. Analogue filter has gain to compensate
for this.
Electrolytics over specified to allow for voicing changes
+5VDAC +5VDAC
+5VDAC
+5V
/MUTE_RLY
DAC_BCK
DAC_LRCK
DAC_SDATA
DAC_MCLK
/MUTE_RLY
SDA
SCL
DGND
DGND
I2C address = 0011 011x
pin 27 SCL input
pin 24 open sets 2-wire interface mode
pin 28 sets i2c address LSB
pin 23 is DOUT
pin 4 unused, leave hi z
pin 6 low sets non differential mode
pin 25 high sets mute off
pin 22 unused, leave hi z
DAC_MUTE
DAC_MUTE
D302
BAS16
2b
1a
3c
GOLD
SKT300
JYE TAI
OUT_L
OUT_R
TR300
FMMT497
P310
P311
P312
P313
P317
P316
P300
P306
P314
P321
P301
P307
P315
P322
P320
P304
P302
P318
P303
P305
P319
P323
P308
P324
P326
P327
200mA
L300
600R@100MHz
+3V3 +3V3D
+3V3D
16V
C340
100N
16V
C341
100N
DGND
100V
C307
1N0
100V
C317
1N0
0W063
R334
1K0
DAC is configured in software mode
+3V3D
P330
P329
P328
2
3
1
84
IC300A
LME49722MA
6
5
7
IC300B
LME49722MA
6.3V
C324
1UF
6.3V
C325
1UF
6.3V
C338
1UF
6.3V
C337
10UF
16V
C306
100UF
16V
C319
100UF
2
3
1
8 4
IC302A
LME49722MA
6
5
7
IC302B
LME49722MA
0W063
R300
1K0
0W063
R308
1K0
0W063
R313
1K0
0W063
R324
1K0
0W063
R302
1K3
0W063
R311
1K3
0W063
R317
1K3
0W063
R329
1K3
0W063
R301
560R
0W063
R309
560R
0W063
R314
560R
0W063
R325
560R
100V
C303
1N0
100V
C309
1N0
100V
C311
1N0
100V
C321
1N0
TR302
2SC4548
TR305
2SC4548
DGND
0W063
R319
1K0
0W063
R331
1K0
0W063
R326
10K
TR301
BC856B
0W063
R318
1K0
0W063
R315
10K
+5VA
TR304
BC846B
DGND
0W063
R316
10K
BC846BBC846B
TR303
BC846B
0W063
R320
10K
0W063
R312
10K
DAC_MUTE
16V
C339
100N
25V
C322
470UF
25V
C323
470UF
25V
C336
470UF
P335
P325
P309
P331
P334
P332 P333
P336
50V
C302
3N3
50V
C308
3N3
50V
C310
3N3
50V
C320
3N3
-5VA
PK 12/04/10
RLY300 changed to TQ through lead, correct D301 -5V connection.
1.010_E066
Dual footprint for future package change
25V
C326
100UF
25V
C332
100UF
25V
C328
100UF
25V
C334
100UF
TR306
NSS12201
TR307
NSS12201
Dual footprint mute transistors
NF
NF
0W063
R303
2K4
0W063
R321
2K4
0W063
R304
15K
0W063
R323
15K
0W063
R306
0R0
0W063
R327
0R0
Some filter resistor value changes
0W063
R305
1K5
0W063
R322
1K5
TQ2-5V
RLY300A
NAiS
TQ2-5V
RLY300B
NAiS
TQ2-5V
RLY300C
NAiS
PG 08/09/10 Change X200 to 12MHz 1.110_E122
PK 14/09/10 EMC changes from Telnova 2.010_E131
50V
C342
470P
50V
C343
470P
P0C30001 P0C30002 P0C30101 P0C30102
P0C30201 P0C30202 P0C30301 P0C30302
P0C30401 P0C30402
P0C30501 P0C30502
P0C30601 P0C30602
P0C30701 P0C30702
P0C30801 P0C30802 P0C30901 P0C30902
P0C31001 P0C31002 P0C31101 P0C31102
P0C31201 P0C31202
P0C31301 P0C31302
P0C31401 P0C31402
P0C31501 P0C31502
P0C31601 P0C31602
P0C31701 P0C31702
P0C31801 P0C31802
P0C31901 P0C31902
P0C32001 P0C32002 P0C32101 P0C32102
P0C32201 P0C32202 P0C32301 P0C32302 P0C32401 P0C32402 P0C32501 P0C32502
P0C32601 P0C32602 P0C32701 P0C32702
P0C32801 P0C32802 P0C32901 P0C32902
P0C33001 P0C33002
P0C33101 P0C33102
P0C33201 P0C33202 P0C33301 P0C33302
P0C33401 P0C33402 P0C33501 P0C33502
P0C33601 P0C33602 P0C33701 P0C33702 P0C33801 P0C33802 P0C33901 P0C33902
P0C34001 P0C34002
P0C34101 P0C34102
P0C34201 P0C34202
P0C34301 P0C34302
P0D3000A
P0D3000COM
P0D3000K
P0D3010A
P0D3010COM
P0D3010K
P0D3020A P0D3020K
P0IC300A01
P0IC300A02
P0IC300A03
P0IC300A04
P0IC300A08
P0IC300B05
P0IC300B06
P0IC300B07
P0IC30101
P0IC30102
P0IC30103
P0IC30104
P0IC30105
P0IC30106
P0IC30107
P0IC30108
P0IC30109
P0IC301010
P0IC301011
P0IC301012
P0IC301013
P0IC301014
P0IC301015
P0IC301016
P0IC301017
P0IC301018
P0IC301019
P0IC301020
P0IC301021
P0IC301022
P0IC301023
P0IC301024
P0IC301025
P0IC301026
P0IC301027
P0IC301028
P0IC302A01
P0IC302A02
P0IC302A03
P0IC302A04
P0IC302A08
P0IC302B05
P0IC302B06
P0IC302B07
P0L30001 P0L30002
P0P3000TP P0P3010TP
P0P3020TP P0P3030TP
P0P3040TP
P0P3050TP
P0P3060TP P0P3070TP
P0P3080TP
P0P3090TP
P0P3100TP
P0P3110TP
P0P3120TP
P0P3130TP
P0P3140TP P0P3150TP
P0P3160TP
P0P3170TP
P0P3180TP P0P3190TP
P0P3200TP
P0P3210TP P0P3220TP
P0P3230TP P0P3240TP
P0P3250TP
P0P3260TP
P0P3270TP
P0P3280TP
P0P3290TP
P0P3300TP
P0P3310TP
P0P3320TP P0P3330TP
P0P3340TP
P0P3350TP
P0P3360TP
P0R30001 P0R30002 P0R30101 P0R30102
P0R30201 P0R30202
P0R30301 P0R30302
P0R30401 P0R30402
P0R30501 P0R30502
P0R30601 P0R30602 P0R30701 P0R30702
P0R30801 P0R30802 P0R30901 P0R30902
P0R31001 P0R31002
P0R31101 P0R31102
P0R31201 P0R31202
P0R31301 P0R31302 P0R31401 P0R31402
P0R31501 P0R31502
P0R31601 P0R31602
P0R31701 P0R31702
P0R31801 P0R31802
P0R31901 P0R31902
P0R32001 P0R32002
P0R32101 P0R32102
P0R32201 P0R32202
P0R32301 P0R32302
P0R32401 P0R32402 P0R32501 P0R32502
P0R32601 P0R32602
P0R32701 P0R32702 P0R32801 P0R32802
P0R32901 P0R32902
P0R33001 P0R33002
P0R33101 P0R33102
P0R33401 P0R33402
P0RLY300A0C1
P0RLY300A0NC1
P0RLY300A0NO1
P0RLY300B0C2
P0RLY300B0NC2
P0RLY300B0NO2
P0RLY300C01 P0RLY300C010
P0SKT30001a
P0SKT30002b
P0SKT30003c
P0TR3000B
P0TR3000C P0TR3000E
P0TR3010B
P0TR3010C P0TR3010E
P0TR3020B
P0TR3020C P0TR3020E
P0TR3030B
P0TR3030C P0TR3030E
P0TR3040B
P0TR3040C P0TR3040E
P0TR3050B
P0TR3050C P0TR3050E
P0TR3060B
P0TR3060C P0TR3060E
P0TR3070B
P0TR3070C P0TR3070E
P0C30001 P0C30002 P0C30101 P0C30102
P0C30201 P0C30202 P0C30301 P0C30302
P0C30401 P0C30402
P0C30501 P0C30502
P0C30601 P0C30602
P0C30701 P0C30702
P0C30801 P0C30802 P0C30901 P0C30902
P0C31001 P0C31002 P0C31101 P0C31102
P0C31201 P0C31202
P0C31301 P0C31302
P0C31401 P0C31402
P0C31501 P0C31502
P0C31601 P0C31602
P0C31701 P0C31702
P0C31801 P0C31802
P0C31901 P0C31902
P0C32001 P0C32002 P0C32101 P0C32102
P0C32201 P0C32202 P0C32301 P0C32302 P0C32401 P0C32402 P0C32501 P0C32502
P0C32601 P0C32602 P0C32701 P0C32702
P0C32801 P0C32802 P0C32901 P0C32902
P0C33001 P0C33002
P0C33101 P0C33102
P0C33201 P0C33202 P0C33301 P0C33302
P0C33401 P0C33402 P0C33501 P0C33502
P0C33601 P0C33602 P0C33701 P0C33702 P0C33801 P0C33802 P0C33901 P0C33902
P0C34001 P0C34002
P0C34101 P0C34102
P0C34201 P0C34202
P0C34301 P0C34302
P0D3000A
P0D3000COM
P0D3000K
P0D3010A
P0D3010COM
P0D3010K
P0D3020A P0D3020K
P0IC300A01
P0IC300A02
P0IC300A03
P0IC300A04
P0IC300A08
P0IC300B05
P0IC300B06
P0IC300B07
P0IC30101
P0IC30102
P0IC30103
P0IC30104
P0IC30105
P0IC30106
P0IC30107
P0IC30108
P0IC30109
P0IC301010
P0IC301011
P0IC301012
P0IC301013
P0IC301014
P0IC301015
P0IC301016
P0IC301017
P0IC301018
P0IC301019
P0IC301020
P0IC301021
P0IC301022
P0IC301023
P0IC301024
P0IC301025
P0IC301026
P0IC301027
P0IC301028
P0IC302A01
P0IC302A02
P0IC302A03
P0IC302A04
P0IC302A08
P0IC302B05
P0IC302B06
P0IC302B07
P0L30001 P0L30002
P0P3000TP P0P3010TP
P0P3020TP P0P3030TP
P0P3040TP
P0P3050TP
P0P3060TP P0P3070TP
P0P3080TP
P0P3090TP
P0P3100TP
P0P3110TP
P0P3120TP
P0P3130TP
P0P3140TP P0P3150TP
P0P3160TP
P0P3170TP
P0P3180TP P0P3190TP
P0P3200TP
P0P3210TP P0P3220TP
P0P3230TP P0P3240TP
P0P3250TP
P0P3260TP
P0P3270TP
P0P3280TP
P0P3290TP
P0P3300TP
P0P3310TP
P0P3320TP P0P3330TP
P0P3340TP
P0P3350TP
P0P3360TP
P0R30001 P0R30002 P0R30101 P0R30102
P0R30201 P0R30202
P0R30301 P0R30302
P0R30401 P0R30402
P0R30501 P0R30502
P0R30601 P0R30602 P0R30701 P0R30702
P0R30801 P0R30802 P0R30901 P0R30902
P0R31001 P0R31002
P0R31101 P0R31102
P0R31201 P0R31202
P0R31301 P0R31302 P0R31401 P0R31402
P0R31501 P0R31502
P0R31601 P0R31602
P0R31701 P0R31702
P0R31801 P0R31802
P0R31901 P0R31902
P0R32001 P0R32002
P0R32101 P0R32102
P0R32201 P0R32202
P0R32301 P0R32302
P0R32401 P0R32402 P0R32501 P0R32502
P0R32601 P0R32602
P0R32701 P0R32702 P0R32801 P0R32802
P0R32901 P0R32902
P0R33001 P0R33002
P0R33101 P0R33102
P0R33401 P0R33402
P0RLY300A0C1
P0RLY300A0NC1
P0RLY300A0NO1
P0RLY300B0C2
P0RLY300B0NC2
P0RLY300B0NO2
P0RLY300C01 P0RLY300C010
P0SKT30001a
P0SKT30002b
P0SKT30003c
P0TR3000B
P0TR3000C P0TR3000E
P0TR3010B
P0TR3010C P0TR3010E
P0TR3020B
P0TR3020C P0TR3020E
P0TR3030B
P0TR3030C P0TR3030E
P0TR3040B
P0TR3040C P0TR3040E
P0TR3050B
P0TR3050C P0TR3050E
P0TR3060B
P0TR3060C P0TR3060E
P0TR3070B
P0TR3070C P0TR3070E

Arcam rDac Specifications

General

Outputs	RCA
Sample Rate	Up to 192kHz
Bit Depth	24-bit
DAC Chip	Wolfson WM8741
Sample Rate (USB)	Up to 96kHz
Sample Rate (S/PDIF)	Up to 192kHz
Output Voltage	2.1V RMS
THD+N	<0.002%
Type	Digital-to-Analog Converter (DAC)
Inputs	USB, Optical
Weight	700 g
Power Supply	5V DC