AD9252ABCPZ-50 Datasheet, PDF (40/52 Pages) Analog Devices – Octal, 14-Bit, 50 MSPS, Serial LVDS, 1.8 V ADC

Rev. E | Page 40 of 52
Figure 66. Evaluation Board Schematic, Optional DUT Analog Input Drive
VG12
External
Variable Gain Drive
GND
CW
VG12
AVDD_5V
Variable Gain Circuit
(0−1.0V DC)
0.1µF
C513
0.1µF
C519
VG34
External
Variable Gain Drive
GND
CW
VG34
AVDD_5V
Variable Gain Circuit
(0−1.0V DC)
L503
120nH
C520
22pF
R507
274Ω
C515
0.018µF
C514
22pF
L502
120nH
0.1µF
C501
C503
22pF
L501
120nH
C521
0.018µF
C502
0.018µF
R508
274Ω
R511
10kΩ
R503
274Ω
R505
10kΩ
AVDD_5V
C505
0.1µF
R504
10kΩ
VG12
AVDD_5V
49 _VCM2
50 _VCM1
51 _EN34
52 _EN12
53 _CLMP12
54 _GAIN12
55 _VPS1
56 _VIN1
57 _VIP1
58 _LOP1
59 _LON1
60 _COM1X
61 _LMD1
62 _INH1
63 _COM1
64 _COM2
C509
0.1µF
C510
10µF
R513
187Ω
C512
10µF
C511
0.1µF
R524
10kΩ
R523
10kΩ
NC ³²
VCM3 ³¹
VCM4 ³⁰
HILO ²⁹
CLMP34 ²⁸
GAIN34 ²⁷
VPS4 ²⁶
VIN4 ²⁵
VIP4 ²⁴
LOP4 ²³
LON4 ²²
COM4X ²¹
LMD4 ²⁰
INH4 ¹⁹
COM4 ¹⁸
COM3 ¹⁷
C533
10µF
C534
0.1µF
C535
10µF
0.1µF
C525
L504
120nH
R509
274Ω
C527
0.018µF
C526
22pF
VG34
AVDD_5V
C536
0.1µF
R512
10kΩ
Data Sheet
AD9252