Datasheet
3.3V
ON
1 2 3 4
5V
3.3V
3.3V
A3V
3.3V
3.3V
3.3V
3.3V
3.3V
A3V
A3V
1 2
ON
5V
ON
1 2 3 4
D
4
3
2
1
A B C
20 Cotton Road
Nashua, NH 03063
A B C D
4
3
2
1
PH: 1-800-ANALOGD
C
Title
Size Board No.
Date Sheet of
DEVICES
ANALOG
Rev
ADSP-21479 EZ-BOARD
A0229-2009
0.1B
ABCLK ADC1LN
ADC1LP
ADC1RN
ADC1RP
ADC2LN
ADC2LP
ADC2RN
ADC2RP
AGND4
AGND5
ALRCLK
ASDATA1
ASDATA2
AVDD1
AVDD2
AVDD3
AVDD4
CCLK
CIN
CM
COUT
DBCLK
DLRCLK
DSDATA1
DSDATA2
DSDATA3
DSDATA4
DVDD1
DVDD2
FILTR
LF
MCLKI_XI
MCLKO_XO
NC1
NC2
NC3
NC4
OL1N
OL1P
OL2N
OL2P
OL3N
OL3P
OL4N
OL4P
OR1N
OR1P
OR2N
OR2P
OR3N
OR3P
OR4N
OR4P
VDRIVE
VSENSE
VSUPPLY
CLATCH
RESET
DGND2
DGND1
AGND1
AGND2
AGND3
GND
OE OUT
VDD
WHITE (LEFT) RED (RIGHT)
3
4
9 10
6
55
6
109
4
3
AD1939 OSC
AD1939 OSC
HEADPHONE OUT (SHARED WITH OUT3/DAC5&6)
DEFAULT: ALL OFF
FOR TESTING PURPOSES ONLY
LOOPBACK CONNECTOR
RED (RIGHT)WHITE (LEFT)
IN1 (L) IN1 (R)
OUT3 (L) OUT3 (R)
OUT1 (R)
PIN NUMBER FOR THE RESPECTIVE CONNECTOR.
NOTE: THE NUMBER INSIDE EACH OF THE CIRCLES IS THE ACTUAL
IN2 (L) IN2 (R)
OUT2 (L) OUT2 (R)
OUT4 (L) OUT4 (R)
J4 J5
OUT1 (L)
DB25 Female Connectors for Conversion to XLR Connectors
SW23: HEAD PHONE ENABLE
DEFAULT: ALL OFF
NOTE: A USER NEEDS TO TURN SWITCH SW23
ON IN ORDER TO USE THE HEAD PHONE CONNECTOR.
AD1939_CS
ASDATA1
DBCLK
ABCLK
ASDATA2_Z
ASDATA1_Z
ALRCLK_Z
DAC1N
ADC1LN
DBCLK
1
4
3
2
U12
12.288MHZ
OSC003
1
4
48
46
44
33
16 17
32
5
45
51
62
14
2
3
34
30
31
35
28
29
27
26
21
22
20
19
18
15
47
52
61
49
63
64
50
23
24
25
54
53
56
55
58
57
60
59
37
36
39
38
41
40
43
42
7
6
9
8
11
10
13
12
U19
LQFP64
AD1939
1
3
2
AD8397
SOIC_N8_EP
U31
7
5
6
U31
SOIC_N8_EP
AD8397
4
2
1
U27
SOT23-5
SN74LVC1G08
TP9
9 173-9-2010_15:24
AUDIO PAGE 1
AD1939_VREF
ABCLK_Z
1
4
3
2
5
J8
CON001
1
6
2
R493
RES_POT_DUAL
5K
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
3
4
5
6
7
8
9
P9
DB25F
9
8
7
6
5
4
3
27
26
25
24
23
22
21
20
2
19
18
17
16
15
14
13
12
11
10
1
P8
DB25F
0402
10.0K
R487
R488
10.0K
0402
R486
10.0K
0402
0402
33
R496
R495
33
0402
ASDATA2_Z
ASDATA1_Z
0402
33
R258
R263
33
0402
CT60
10UF
CAP002
CT59
10UF
CAP002
2
3
1
4 5
6
7
8
SW24
DIP4
SWT018
IN1_SE_R
IN1_SE_L
IN2_SE_R
IN2_SE_L OUT2_SE_L
AD1939_SOFT_RESET
4
5
3
R493
RES_POT_DUAL
5K
1
2
4
3
SW23
DIP2
SWT020
R484
100K
0402
0402
0
R492
AD1939_LF
AD1939_CM
AD1939_CLKIN
AD1939_SOFT_RESET
OUT1N
OUT1P
OUT2N
OUT2P
OUT3N
OUT3P
OUT4N
OUT4P
IN1N
IN1P
IN2N
IN2P
IN3N
IN3P
IN4N
IN4P
0.01UF
0402
C142
0402
33
R262
0402
10K
R259
DLRCLK
ALRCLK
ABCLK_Z
ALRCLK_Z
R257
33
0402
DLRCLK
R261
33
0402
SPI_MOSI
SPI_MISO
SPI_CLK
AD1939_CLKIN
AD1939_CS
DSDATA4
DSDATA1
DSDATA2
DSDATA3
R260
10K
0402
DAC1P
DAC2P
DAC2N
DAC3P
DAC3N
DAC4P
DAC4N
DAC5P
DAC5N
DAC6P
DAC6N
DAC7P
DAC7N
DAC8P
DAC8N
ADC1LP
ADC2LP
ADC2LN
ADC3LP
ADC3LN
ADC4LP
ADC4LN
C136
0402
0.01UF 0.01UF
0402
C137
0.01UF
0402
C138 C139
0402
0.01UF 0.01UF
0402
C140 C141
0402
0.01UF
OUT8P
OUT8N
OUT7P
OUT7N
OUT6P
OUT6N
OUT5P
OUT5N
RESET
5600PF
0805
C259
390PF
0603
C258
0603
562.0
R461
C257
10UF
0805 0603
0.1UF
C256 C255
0.1UF
06030805
10UF
C254
0402
10.0K
R491
0402
100.0
R490
R489
100.0
0402
C263
22PF
0805
C262
22PF
0805
CT58
47UF
ELEC_6MM
R485
0
0402
CT57
47UF
ELEC_6MM
100K
R483
0402
AD1939_VREF
OUT3_SE_R
OUT3_SE_L
AD1939_VREF
0.1UF
0402
C264
R494
10K
0402
C265
10UF
0805
8
7
6
54
1
3
2
SWT018
DIP4
SW25
OUT1_SE_L
OUT1_SE_R
OUT3_SE_R
OUT3_SE_L
OUT2_SE_R
OUT4_SE_R
OUT4_SE_L
0.01UF
0402
C266
ASDATA2
C271
0402
0.1UF