Datasheet

Data Sheet AD9212
Rev. E | Page 45 of 56
CW
CW
AD8334ACPZ-REEL
INH 2 LMD2 COM2X LON2 LOP2 VIP2 VIN2 VPS2 VPS3 VIN3 VIP3 LOP3 LON3 COM3X LMD3 INH 3
COM4
INH4
LMD4
COM4X
LON4
LOP4
VIP4
VIN4
VPS4
HILO
MODE
VPS1
VIN1
VIP1
LOP1
LON1
COM1X
LMD1
INH1
COM1
NC
NC
VOL2
VOH2
COM2
VCM2
COM3
VCM3
VOL3
VOH3
VCM4
VOH4
VOL4 VOL1
VOH1
VCM1
GAIN12
CLMP12
EN12
COM12
VPS12
COM12
EN34
COM34
VPS34
COM34
CLMP34
GAIN 34
MODE Pin Positive Gain Slope = 0−1.0V Negative Gain Slope = 2.25−5.0V
EXT VG
External
Variable Gain Drive
Variable Gain Circuit
(0−1.0V DC)
HILO Pin=H=+/− 75mV
HILO Pin=LO=+/− 50mV Rclamp Pin
EXT VG
HILO Pin=H=+/− 75mV HILO Pin=LO=+/− 50mV Rclamp Pin
External
Variable Gain Drive
Variable Gain Circuit
(0−1.0V DC)
Populate L605−L620 with 0Ω resistors or design your own filter.
Power Down Enable
(0−1V=Disable Power)
DNP: DO NOT POPULATE.
62
61
60
59
58
57
56
55
54
53
52
51
50
49
33 34 35 36 37 38 39 41 42 43 44 45 46 47
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1
63
64
48 40
U601
374Ω R620
DNP R636
374Ω R632
374Ω
R627
DNP R622
0Ω
L619
0Ω L611
0.1µF C630
0.1µF C629
0.1µF C628
0.1µF C624
0.1µF
C623
0.1µF
C618
0.1µF C616
10kΩ
R604
0.1µF C604
10kΩ
R612
10kΩ
R624
AVDD_5V
AVDD_5V
AVDD_ 5V
AVDD_5V
VG78
0.1µF C617
AVDD_5V AVDD_5V
0.1µF
C605
22pF
C603
0.1µF
C606
VG56
C612
10µF
AVDD_5V
AVDD_5V
0.1µF
C601
187Ω
R613
10kΩ DNP R606
10kΩ R601
274Ω
R603
0.018µF
C602
12
JP601
L601
120nH
0.1µF
C608
0.1µF
C609
10kΩ
R605
1000pF
C607
39kΩ R602
C610
10µF
AVDD_5V
VG56
VG56
GND
R621 DNP
0Ω L610
R616 DNP
C642 DNP
374Ω R615
187Ω
R618
187Ω
R614
0.1µF C645
0.1µF C641
0.1µF C640
0Ω L605
0Ω L608
0Ω L607
0Ω L609
0Ω L606
0Ω L612
187Ω
R619
0.1µF C644
C646 DNP
C643 DNP
C647 DNP
DNP R617
CH_GCH_H
CH_H CH_G
R633 DNP
0Ω L618
R628 DNP
C650 DNP
187Ω
R630
187Ω
R626
0.1µF C653
0.1µF C649
0.1µF C648
0Ω L613
0Ω L616
0Ω L615
0Ω L617
0Ω L614
0Ω L620
187Ω
R631
187Ω
R625
0.1µF
C652
C654 DNP
C651 DNP
C655 DNP
DNP R629
CH_E
CH_F
CH_F CH_E
INH8
0.1µF
C611
22pF
C614
0.1µF
C613
L602
120nH
INH7
274Ω
R607
0.018µF
C615
0.1µF C622
22pF
C620
0.1µF
C619
L603
120nH
274Ω
R608
C621
INH 6
C626
22pF
C625
0.1µF
L604
120nH
R609
274Ω
C627
0.018µF
INH 5
0.1µF0.1µF
C636
10µF
C634C633
10µF
10kΩ DNP R610
0.1µF
C632
1000pF
C631
10kΩ
R634
12
JP602
39kΩ
R635
AVDD_5V
VG78
VG78
GND
10kΩ
R611
AVDD_5V
10kΩ
R623
AVDD_5V
C635
05968-077
0.018µF
Figure 79. Evaluation Board Schematic, Optional DUT Analog Input Drive (Continued)