dac3555a Micronas, dac3555a Datasheet - Page 13

• Manufacturer Part Number: dac3555a
• Description: Stereo Audio Dac
• Manufacturer: Micronas

PRELIMINARY DATA SHEET
3.2. Pin Connections and Short Descriptions
NC
LV
VSS = if not used, connect to VSS
X
VDD = connect to VDD
Micronas
PMQFP
44-pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
= not connected, leave vacant
= if not used, leave vacant
= obligatory; connect as described in application diagram
Pin No.
PQFN
40-pin
31
32
33
16
34
26
37
35
38
40
36
1
2
3
4
5
6
7
8
9
10
39
11
12
13
Pin Name
AGNDC
AVSS1
AVSS0
NC
OUTL
NC
OUTR
NC
AVDD0
AVDD1
NC
XTI
XTO
CLKOUT
SCL
SDA
VSS
VDD
MCS1
MCS2
DEECTRL
NC
CLI
DAI
WSI
Type
IN/OUT
IN
IN
OUT
OUT
IN
IN
IN
IN/OUT
OUT
IN
IN/OUT
IN
IN
IN
IN
IN
IN
IN
IN
Connection
(If not used)
X
X
X
LV
LV
LV
LV
LV
X
X
LV
X
X
LV
LV
LV
X
X
X
X
VSS
LV
VSS
VSS
VSS
Short Description
Analog reference Voltage
VSS 1 for audio back-end
VSS 0 for audio output amplifiers
Not connected
Audio Output: Headphone left or
Speaker +
Not connected
Audio Output: Headphone right or
Speaker
Not connected
VDD 0 for audio output amplifiers
VDD 1 for audio back-end
Not connected
Quartz oscillator pin 1
Quartz oscillator pin 2
Clock Output
I
I
Digital VSS
Digital VDD
I
I
Deemphasis on/off Control
Not connected
I
I
I
2
2
2
2
2
2
2
C clock
C data
C Chip Select 1
C Chip Select 2
S Bit Clock
S Data
S Frame Identification
DAC 3555A
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