JVC RX-DP10VBK Service Manual page 18

RX-DP10VBK/RX-DP10VSL
RX-DP10RSL
AK5383VF (IC657) : A/D converter
1. Pin layout
VRFEL
GNDL
VCOML
AINL+
AINL-
ZCAL
VD
DGND
CAL
RST
SMODW2
SMODE1
LRCK
SCLK
2. Block diagram
1
VREFL
Voltge
2
Reference
GNDL
3
VCOML
4
AINL+
Delta-Sigma
5
Mdulator
AINL-
6
ZCAL
25
AINR+
Delta-Sigma
24
Mdulator
AINR-
26
VCOMR
28
VREFR
Voltge
27
Reference
GNDR
23 22
VA AGND
3. Pin function
Pin No. Pin name
1 VRFEL
2 GNDL
3 VCOML
4 AINL+
5 AINL-
6 ZCAL
7 VD
8 DGND
1-18
1 28 VREFR
27 GNDR
2
3 26 VCOMR
4 25 AINR+
24 AINR-
5
6 23 VA
7 22 AGND
8 21 BGND
9 20 TEST
10 19 HPFE
11 18 DFS
12 17 MCLK
13 16 FSYNC
14 15 SDATA
SMODE1 SMODE2
12 11
Decimation
Filter
Decimation
Filter
Controller
21 9
BGND CAL
I/O Function
O Lch Reference Voltage Pin, 3.75V
Normally connected to GNDL with a 10 F electrolytic capacitor and
a 0.1 F ceramic capacitor.
- Lch Reference Ground Pin, 0V
O Lch Common Voltage Pin, 2.75V
I Lch Analog positive input Pin
I Lch Analog negative input Pin
I Zero Calibration Control Pin
This pin controls the calibration reference signal.
"L": VCOML and VCOMR
"H": Analog Input Pins (AINL
- Digital Power Supply Pin, 3.3V
- Digital Ground Pin, 0V
SLCK LRCK FSYNC
14 13 16
Serial Output
Interface
HPF
HPF
Calibration
SRAM
10 7 8
RST VD DGND
, AINR )
15
SDATA
19
HPFE
17
MCLK
18
DFS
(1/2)