Datasheet

AD9229
Rev. B | Page 27 of 40
1
2
3
4
6
8
5
7
9
10
11
12
DRGND
DRVDD
DNC
DTP
AGND
AVDD
AVDD
PDWN
AGND
VIN +A
VIN –A
AGND
GND
DRVDD_DUT
GND
GND
AVDD_DUT
AVDD_DUT
DUTCLK
GND
VIN_D
GND
36
35
34
33
31
29
32
30
28
27
26
25
AGND
DRGND
DRVDD
LVDSBIAS
AGND
AVDD
AVDD
CLK
AGND
VIN +D
VIN –D
AGND
13 14 15 16 18 20 17 19 21 22 23 24
VIN –B VIN +B AGND AVDD VREF REFT SENSE REFB AVDD AGND VIN +C VIN –C
VIN _B
VIN_B
GND
AVDD_DUT
VREF_DUT
VSENSE_DUT
AVDD_DUT
GND
VIN _C
VIN_C
48 47 46 45 43 41 44 42 40 39 38 37
DCO+
DCO–
FCO+
FCO–
A–D D–B
D+A D+B D+C
D–C
D+D
D–D
AD9229
VIN_D
GND
DRVDD_DUT
AVDD_DUT
AVDD_DUT
AVDD_DUT
GND
GND
VIN_A
GND
GND
R204
4.0kΩ
DCO DCO FCO FCO CHA CHB CHA CHB CHC CHC CHD CHD
C203
0.1μF
C202
10μF
C201
0.1μF
C204
0.1μF
VIN_A
R203
10kΩ
PWDN ENABLE
JP201
AVDD_DUT
JP202
R202
10kΩ
R228
10kΩ
R201
10kΩ
1
2
3
DIGITAL TEST
PATTERN
ENABLE
PIN 1 TO PIN 2 = 1010 1010 1010
PIN 2 TO PIN 3 = 1000 0000 0000
OPTIONAL CLOCK OSCILLATOR
AVDD_VGA
AVDD_DUT
AVDD_DUT
JP204 JP203
1
4
2
3
EOH
VCC
GND
OUTPUT
CBELV3I66MT
OSC200
1
14
7
8
NC/ENB
VCC
GND
OUTPUT
CX3600C-65
DNP
OSC201
C209
0.1μF
C210
0.1μF
C205
0.1μF
R225
0Ω
DNP
R212
1kΩ
R211
1kΩ
R231
0Ω
DNP
R229
0Ω
R230
0Ω
DNP
R214
22Ω
R213
49.9Ω
ENCODE
INPUT
P201
12
U202
AVDD_DUT:14
GND:7
34
U202
AVDD_DUT:14
GND:7
DUTCLK
GNDCD10
60
GNDCD9
59
GNDCD6
56
GNDCD5
55
GNDCD8
58
GNDCD7
C10
C9
C6
C5
C8
D10
D9
D6
D5
D8
D7C7
50
49
46
45
48
47
40
39
36
35
GNDCD4
C4 D4
GNDCD3
C3 D3
GNDCD2
C2 D2
GNDCD1
C1 D1
GNDAB10
A10 B10
GNDAB9
A9 B9
GNDAB8
A8 B8
GNDAB7
A7 B7
GNDAB6
A6 B6
GNDAB5
A5 B5
GNDAB4
A4 B4
GNDAB3
A3 B3
GNDAB2
A2 B2
GNDAB1
54
53
52
51
30
29
28
27
26
25
24
23
22
21
A1 B1
4434
4333
4232
4131
2010
199
188
177
166
155
144
133
122
111
38
37
57
DCO
FCO
CHC
CHD
CHA
CHB
DCO
FCO
CHC
CHD
CHA
CHB
1469169-1
R205-R210
OPTIONAL OUTPUT
TERMINATIONS
R221
0Ω
R222
0Ω
R223
0Ω
R224
0Ω
AVDD_DUT
AVDD_DUT
VREF_DUT
VSENSE_DUT
VREF SELECT VREF = 1V = DEFAULT
R219
DNP
C208
10μF
C207
0.1μF
R217
470kΩ
R218
0Ω
DNP
R215
2kΩ
R220
DNP
R216
10kΩ
CW
C206
0.1μF
GND
ADR510/ADR520
1NV VOUTTRIM/NC
U203
EXTERNAL REFERENCE CIRCUIT
VREF = 0.5V
VREF = EXTERNAL
VREF = 0.5V (1 + R219/R220)
VREF = 1V
REMOVE C208 WHEN
USING EXTERNAL VREF
DNP : DO NOT POPULATE
04418-042
DIGITAL OUTPUTS
P202
REFERENCE
DECOUPLING
CLOCK CIRCUIT
REFERENCE CIRCUIT
U201
R205
DNP
R206
DNP
R207
DNP
R208
DNP
R209
DNP
R210
DNP
Figure 49. Evaluation Board Schematic, DUT, VREF, Clock Inputs, and Digital Output Interface