DRAGON-DAC Limited
3-13
6.
IC BLOCK DIAGRAMS
Fig. 6.5 8-Times Oversampling Digital Filter DF1704E (U306)
8
7
+V
6
OUT
5
4
-V
3
IN2
2
IN1
1
(TOP VIEW)
Fig. 6.2 Operational Amp. NE5534AN
(TOP VIEW)
14
13
12
11
10
9
8
7
6
5
4
3
2
1
VDD
A6
Y6
A5
Y5
A4
Y4
GND
Y3
A3
Y2
A2
Y1
A1
Fig. 6.3 Inverter TC74HCU04AP (U302, 304)
A
+
–
+
–
B
8 +V
OUTPUT B
7
6
5
4
3
2
1
OUTPUT A
-V
(TOP VIEW)
NON-INVERTING
INPUT A
INVERTING
INPUT A
NON-INVERTING
INPUT B
INVERTING
INPUT B
Fig. 6.1 Operational Amp. AD8058AR
SERIAL
INPUT
I/F
2
BCKIN
28
LRCIN
1
DIN
11
MD/CKO
12
MC/LRIP
13
ML/RESV
10
MODE
15
(MUTE)
14
RST
16
(DEM)
MODE
CONTROL
I/F
SCK
17
(SF0)
18
(SF1)
27
(SRO)
CRYSTAL OSC
POWER SUPPLY
6
XTI
7
XTO
9
CLKO
22
VDD
8
VSS
8X OVERSAMPLING
DIGITAL FILTER WITH
FUNCTION CONTROLLER
OUTPUT I/F
26
BCKO
25
WCKO
24
DOL
23
DOR
(OW0)
19
(OW1)
20
(IIS)
3
(IW0)
4
(IW1)
5
5
VCC
+
–
+
–
NC
1
4
OUT
3
GND
CO1
OP1
2
SUB
Fig. 6.4 Voltage Detector PST9142NR (U303)