Datasheet
AD9216
Rev. A | Page 28 of 40
LFCSP PCB SCHEMATICS
D7_A D7A
49
D8_A
D8A
50
D9_A D9A
DRVDD2
52
DRGND2
53
D10_A D10A
54
D11_A
D11A
55
D12_A D12A
56
D13_A
D13A
57
OTR_A OTRA
58
OEB_A
59
PWDN_A
60
MUX_SEL
61
SH_REF
62
CLK_A
63
AVDD5
VD
64
EPAD
65
D7B
D7_B
32
D6B
31
D5_B
30
DRVDD
29
DRGND
28
D4B
D4_B
27
D3B
D3_B
26
D2B
D2_B
25
D1B
24
23
22
21
20
DCS
19
ENCB
D6_B
D1_B
D0_B
OEB_B
PDWN_B
DFS
CLK_B
D6_A D6A
48
D5_A D5A
47
D4_A D4A
46
D3_A D3A
45
D2_A D2A
44
D1_A D1A
43
D0_A D0A
42
DRVDD1
41
DRGND1
40
OTR_B OTRB
39
D13_B
D13B
38
D12_B
D12B
37
D11_B
D11B
36
D10_B
D10B
35
D9_B
D9B
34
D8_B
D8B
33
1
AGND
2
VIN_A
3
VIN_AB
4
AGND1
VD
5
AVDD1
6
REFT_A
7
REFB_A
VREF
8
VREF
SENSE
9
SENSE
10
REFB_B
11
REFT_B
VD
12
AVDD2
13
AGND2
14
VIN_BB
15
VIN_B
16
AGND3
VCC
14
4B
13
4A
12
4Y
11
3B
10
3A
9
3Y
8
1A
1B
1Y
2A
2B
2Y
GND
1
2
3
4
5
6
7
GND
7
2Y
6
2B
5
2A
4
1Y
3
1B
2
1A
1
3Y
3A
3B
4Y
4A
4B
VCC
8
9
10
11
12
13
14
18
VD
AVDD3
17
D0B
D5B
+
+ + + ++
ENCA
VREF
C30
0.1
µ
F
C66
0.1
µ
F
R45
NP_10k
Ω
R56
NP_10k
Ω
E2
E1
E27
E30
E41
E25
VD
C11
0.1
µ
F
SENSE
EXT_VREF
C2
10
µ
F
VREF AND SENSE CIRCUIT
C4
0.1
µ
F
VDD
VDD
C6
0.1
µ
F
E22
E24
VD
R67
1k
Ω
R68
1k
Ω
R70
1k
Ω
R69
1k
Ω
E21
E40
VD
E26
E29
VD
E31
E33
VD
PADS TO SHORT
REFERENCES TOGETHER
P15
P16
P18
P17
REFTA
REFTB
REFBA
REFBB
REFB_B
REFT_B
REFT_A
REFB_A
AMPOUTB
R36
33
Ω
R37
33
Ω
AMPOUTBB
C3
20pF
C28
0.1µF
C7
10µF
C54
0.1µF
C23
0.1µF
C5
10µF
C55
0.1µF
C24
0.1µF
C26
0.1µF
C29
0.1µF
C27
0.1µF
4123 4123
412
3
P5
P6
P7
VD
VDD
VDL
P21 VCLK
C37
10µF
C38
10µF
C16
10µF
C17
10µF
C18
10µF
C19
10µF
+
C67
10µF
C39
0.1µF
C43
0
.
1µF
C44
0
.
1µF
C45
0
.
1µF
+5V –5VVCLKVDLVDD
VD
P11
P4
P1
E34 E16
VD
VD
R55
1k
Ω
E37
E38
R48
1k
Ω
NP_0
Ω
R12
22
Ω
R13
E35
E36VD
R49
1kΩ
C41
0.1
µ
F
VD
VCLK
J2
CLOCK B
R51
NP_50Ω
C42
0.1µF
R54
1kΩ
R52
1kΩ
P2
P9
U3
P13
ENCB
VD
VCLK
C22
10µF
C57
0.1µF
R6
NP_100
Ω
R8
NP_100
Ω
TIEB
1
2
3
5
4
SN74LVC1G04
NC
A
GND
VCC
Y
1
2
3
5
4
SN74LVC1G04
NC
A
GND
VCC
Y
P10
P12
C36
10µF
C58
0.1µF
ENCA
VCLK
VD
R33
NP_100
Ω
R42
NP_100
Ω
R38
22
Ω
R50
NP_0
Ω
R74
22
Ω
R43
NP_0
Ω
U1
E13 E12
VD
VD
R47
1k
Ω
E15
E14
R46
1k
Ω
NP_0
Ω
R9
22
Ω
R10
CLKLATB
DRB
DRA
CLKLATA
J6
R61
50
Ω
C56
0.1
µ
F
VCLK
J3
CLOCK A
R11
NP_50Ω
C40
0.1µF
R41
1kΩ
TIEA
R39
1kΩ
VCLK
C25
0.1µF
E3
E4
VD
R44
1kΩ
P14
E6
E5
VD
E20
E18
VD
E9
E7
VD
R66
1k
Ω
R65
1kΩ
R64
NP_1k
Ω
E10
E17
R63
1k
Ω
R62
1k
Ω
VD
VDD
C8
0.1µF
MUX
DUT CLOCK SELECTABLE
TO BE DIRECT OR BUFFERED
74VCX86
74LCX86
R4
33
Ω
J1
AIN B
C13
0.1
µ
F
R59
1k
Ω
R7
50
Ω
AMPINB
C10
10
µ
F
C12
0.1
µ
F
E43
E42
C9
10
µ
F
C31
0.1
µ
F
R57
1k
Ω
1
2
3
6
5
4
CTAPB
R5
33
Ω
1
2
3
6
5
4
CTAPA
AMPOUTAB
AMPOUTA
C14
0.1
µ
F
AMPINA
R3
50
Ω
R1
NP_36
Ω
R2
NP_36
Ω
J4
C1
20pF
C62
0.1µF
VD
–5V
+5V
VD
VDD VDL
EXT_VREF VCLK
CTAPA
R58
1k
Ω
VD
VD
R60
1k
Ω
CTAPB
T1
T2
SEE
BELOW
DUT CLOCK SELECTABLE
TO BE DIRECT OR
BUFFERED
J2, J3, OPTIONAL CLOCK PATHING
U5
U6
U7
AIN A
04775-038
NOTE
14-BIT PINOUT SHOWN
FOR 14-BIT: LSB = PIN 42, PIN 23
FOR 12-BIT: LSB = PIN 44, PIN 25
FOR 10-BIT: LSB = PIN 46, PIN 27
R34
NP_36
Ω
R32
NP_36
Ω
C63
0.1
µ
F
51
Figure 51. PCB Schematic (1 of 3)