DOWNLOAD Harman Kardon AVR 3550 Service Manual ↓ Size: 2.86 MB | Pages: 63 in PDF or view online for FREE

Model
AVR 3550
Pages
63
Size
2.86 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
avr-3550.pdf
Date
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Harman Kardon AVR 3550 Service Manual ▷ View online

 
 
∆Σ
Modulator
MCLK
AINL
LRCK
SCLK
SDTO
DIF
VCOM
Clock Divider
AINR
AGND
VA
Decimation
Filter
Serial I/O
Interface
Voltage Reference
TTL
DGND
VD
TST
∆Σ
Modulator
Decimation
Filter
PDN
A/D CONVERTER IC  (AK5380VT) : IC77
 
 
 
 
1
AINR
AINL
VCOM
NC
AGND
VA
VD
DGND
Top
View
2
3
4
5
6
7
8
TST
TTL
PDN
DIF
SCLK
MCLK
LRCK
SDTO
16
15
14
13
12
11
10
9
 
 
 
             PIN ASSIGNMENT (TOP VIEW)
A/D CONVERTER IC PINouts (AK5380VT) : IC77
 
PIN/FUNCTION
No.
Pin Name
I/O
Description
1
AINR
I
Rch Analog Input Pin
2
AINL
I
Lch Analog Input Pin
3
NC
-
NC Pin
No internal bonding.
4
VCOM
O
Common Voltage Output Pin
Normally connected to AGND with a 0.1
µ
F ceramic capacitor in parallel with an
electrolytic capacitor less than 2.2
µ
F.
5
AGND
-
Analog Ground Pin, 0V
6
VA
-
Analog Power Supply Pin, +4.5
∼
+5.5V
7
VD
-
Digital Power Supply Pin, +2.7
∼
+5.5V(fs=48kHz), +4.5
∼
+5.5V(fs=96kHz)
8
DGND
-
Digital Ground Pin, 0V
9
SDTO
O
Serial Data Output Pin
Data bits are presented MSB first, in 2’s complement format.
This pin is “L” in the power-down mode.
10
LRCK
I
Left/Right Channel Select Pin
The fs clock is input to this pin.
11
MCLK
I
Master Clock Input Pin
12
SCLK
I
Serial Data Input Pin
Output data is clocked out on the falling edge of SCLK.
13
PDN
I
Power-Down Pin
When “L”, the circuit is in power-down mode.
The AK5380 should always be reset upon power-up.
14
DIF
I
Serial Interface Format Pin
“L”: MSB justified, “H”: I
2
S
15
TTL
I
Digital Input Level Select Pin
“L”: CMOS level (VD=2.7
∼
5.5V), “H”: TTL level (VD=4.5
∼
5.5V)
16
TST
I
Test Pin (Internal pull-down pin)
This pin should be left open.
Note: All input pins except pull-down pins should not be left floating.
A/D CONVERTER IC PIN FUNCTION (AK5380VT) : IC77
CM2054C
Ise Electronics Corporation
:Grid Assignment
Scale 3:1
Unit : mm
Sheet 4/5
G10
G9
G8
G7
G6
G5
G4
G3
G2
G1
G3-G10
G2
G1
S16
S15
S13
S12
S14
S17
S1
S2
S4
S6
S5
S8
S9
S11
S10
S3
S7
S7
S6
S2
S1
S3
S5
S4
S16
S15
S11
S10
S12
S14
S13
S18
S21
S3
S9
S15
S12
S6
S1
S19
S22
S4
S7
S13
S16
S10
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