Audio research dac 2 schematic

Page 1

( u T

_I_CI lcz U 5" SW: P05 U4 pm 9 U4 PIN 10 U4 OUTPUT (PIN 5)
5.5uh
__ .1 _ 22 1 H L 15
. 2 L L 4
I I1 :I L H 2

1615141312|l10 5
INPUT 1 [ U1

1 AT&T ODLSO
1 2 3 4 5 s 7 8

I

+5V
J- 1 16
2 15
./ 3- :I 14
4 13
P U4
5 new 1/
74
s 11 1° 2 g
10 SW2
7 INPUT R7
8 SELECTOR 10K
(CTR OFF)
g J T0 cm
1 16 I-+5V .
M > 2 15 PAGE 2
BN0 I- :I 14 > as
SPDIF 4 13 J 243K U5
U3 ; +5v W3 T0 1 TOSLINK, PLASTIC
50534036112 \ 'VV" f 173x FIBER, DIGITALOUT
+5v~ a 11 3.2K
am: mo :
INZUT 7a 190 sw1 IL
- +5V R9
OXLR = 243K
\I R r
\
R3
J2 .n 2K
XLR c
D
AES/EBU I 2 0
n4
110
.
DAC2 INPUT PROPRIETARY NOTICE: THIS DRAWING CONYNNS PATEN D
PAGE1 0' 6 AUDIO RESEARCH CORPORATION PATENI APPLIED FOR, AND/OR OTHER CIRCUITRY CONSIDEEREb
5740 GREEN CIRCLE DRIVE PROPRIETARY BY flUDIO RESEARCH CORPORATION AND [5
11-6-92 MINNETONKA. MN 55345442. :dggggfifigofliy CONFIDENTAL BASIS FOR IDENTIFICATION
L .

Page 2

41 5V
oSVDAc 45,

16 7 4T 22 7,8,51r-f-4 21 ,:m H 22.37
CS SEL VD+ CKDV VDD
9
INPUT -{ F RXP U8 DOE magi To 20 LEFT
-01 10 RXN 26 1 5M5803APT DATAR _"°UT
SDATA DIN ANALOG
cm DIGrTAL c
,9 s ONVERTER
.01 MCK CK! FILTER LEFT
2 DATA L 27 GND.
M3 SCK 2 BIT CK DOL 2.;
1a LEFT
+sv M2 11, 28
2a m U6 FSYNK E -;- UR CK OFFSET
2 Mo 038412 VERF 5 MUTE GR HOLD EL 31 mm
: DIGITAL 3 ._._ - OUT
RECEIVER 9554- BCKO CLK R,L
+5VA -2-2- VA+ 14 if? CKO _ 32 RIGHT
20 w WS/LOAD GND.
vco lo
16 M51 ME
n11 DEMP VSS 2 OFFSET
1K ERF ' CLKX 23
AGND DGND Cc MDT M52,:I DELAY
on 21 a :I 13 1,12 DATA x 36 ANALOG
047 T WSX GNDI
J 9 10 49 so
_ r r
HIZ \ K
10K %
+5V
CLOCK PWH -2-°-]
CLOCK [CLOCK 9
BOUT 8
$3 Jl
START Jfi
Ji
JA
LDOUT 3
HOLDClFF-I2
DEEMP GND 1mm: -11
DRIVE
-2ov
PROPRIEYARI NOTICE: TMS DRAWING CONTAINS PATENTED.
DAC2 DIGITAL AUDIO RESEARCH CORPORATION PATENTAPPLIED FOR, AND/0R OTHER CIRCUITRY CONSIDERED
PAGE 2 of 6 5740 GREEN CIRCLE DRIVE PROPRIETARY 8V AUDIO RESEARCH CORPORATION AND Is
55] 3 FURNISHED ON A CONFIDENTAL BASIS FOR IDENTIFXCATXON
11-16-92 M'NNETONKA' MN 4424 PURPOSES ONLY.
\ J