AD9228 Analog Devices, AD9228 Datasheet - Page 42

• Manufacturer Part Number: AD9228
• Description: Quad, 12-Bit, 40/65 MSPS Serial LVDS 1.8 V A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9228

• Resolution (bits): 12bit
• # Chan: 4
• Sample Rate: 65MSPS
• Interface: LVDS,Ser
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9228
POPULATE L301-L308 WITH 0Ω
RESISTORS OR DESIGN YOUR
OWN FILTER.
10kΩ
10kΩ
R313
R315
DNP
Figure 75. Evaluation Board Schematic, Optional DUT Analog Input Drive and SPI Interface Circuit
DNP: DO NOT POPULATE
C315
10µF
0.1µF
C312
0.1µF
C311
10kΩ
R312
0.1µF
C316
25
26
27
28
29
30
31
32
0.018µF
U301
ENBV
ENBL
HILO
VCM1
VIN1
VIP1
COM1
LOP1
C317
R316
274Ω
0.1µF
187Ω
R307
C305
0.1µF
R301
C319
L301
0Ω
DNP
L305
0Ω
C318
22pF
R305
374Ω
INH4
C303
C301
187Ω
DNP
DNP
R308
R303
DNP
0.1µF
C320
L309
120nH
Rev. E | Page 42 of 56
AD8332
C306
0.1µF
L302
0Ω
L306
0Ω
0.1µF
L307
C307
C321
0.1µF
L303
0Ω
0Ω
INH3
R309
187Ω
C302
R304
L310
120nH
DNP
DNP
C304
DNP
C323
22pF
R306
374Ω
C324
0.1µF
R302
DNP
RCLMP
R317
274Ω
C322
0.018µF
L308
L304
MODE
COM2
VCM2
LOP2
GAIN
0Ω
0Ω
VIN2
VIP2
1000pF
R310
187Ω
C308
0.1µF
C309
16
15
14
13
12
11
10
9
AVDD_5V
0.1µF
C325
0.1µF
C310
VG
EXTERNAL VARIABLE GAIN DRIVE
VARIABLE GAIN CIRCUIT
(0-1.0V DC)
0.1µF
C314
C313
0.1µF
C326
10µF
R311
10kΩ
DNP
R320
39kΩ
CW
R314
10kΩ
DNP
R318
10kΩ
VG
R319
10kΩ
GND
VG
Data Sheet