Schematic Diagram (Page 2) Of The Ads8900Bevm Pcb - Texas Instruments ADS8900BEVM-PDK User Manual

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1
R61
DNP
U4
0
3
SD
AGND 1
A
CF+
C54 C11
DNP DNP 8 DNP
CF-
0.22 F 4.7 F
R36
4
+3.3V_flt DNP VDD
0.22
LM7705MM/NOPB
R39
5.2V DNP
0.22 C14
DNP
10 F
AGND
B
C
R20
20.0k
C8
1 F
5.2V
C7
0.1 F
4
R63
R21
OPA625_CM_N OPA625_CM_P
1 V+
0
V- 3
499
U3
OPA376AIDBVR
AGND
D
1
SBAU269 – October 2016
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2 3
R56
6
VOUT DNP
4.7
7
CRES
DNP
C56
2 DNP
VSS DNP C55
C30 0.47 F
5 DNP
C57 22 F
VSS DNP
0.1 F
22 F
AGND
AGND AGND AGND AGND
AGND
U7
5.2V
REFOUT
1 5
VIN OUT_S
DNP
DNP C25
2 6
EN OUT_F
10 F
DNP
4 8
SS GND_S
DNP
3 7
FILT GND_F
AGND
C22
DNP REF6025AIDGK
1 F R26
DNP
0.22
AGND
AGND
AGND
J1
87898-0204
AGND
R1
280k
R15
20.0k
R5
10.0k
R10
C6
20.0k
1 F
J2
87898-0204
AGND AGND AGND
Texas Instruments and/or its licensors do not warrant the accuracy or completeness of this specification or any information contained therein. Texas Instruments and/or its licensors do not
warrant that this design will meet the specifications, will be suitable for your application or fit for any particular purpose, or will operate in an implementation. Texas Instruments and/or its
licensors do not warrant that the design is production worthy. You should completely validate and test your design implementation to confirm the system functionality for your application.
2 3
Figure 21. Schematic Diagram (Page 2) of the ADS8900BEVM PCB
Copyright © 2016, Texas Instruments Incorporated
4
LDO_IN_5V5
R6
10.0k
-0.2V
C52 C53
DNP
10 F 10 F
R64 D1
0
APT2012LZGCK
AGND
AGND
AGND
5.2V
1
20
R25
3
0.22 R2
0.1
C5
14
C33 1 F
19
47 F C3 AGND 0603 18
47 F
17
2
7
21
AGND
AGND
TP4
5016
U1A
REFOUT
6 2
VOUT VIN
5
TRIM/NR
C2
R8 4 3 1 F
GND TEMP
0.22
REF5050AIDGKT
AGND AGND
C4
10 F
AGND
4
Bill of Materials, PCB Layout, and Schematics
5
EVM_DVDD
R58
+3.3V_flt
0.22
C13
10 F
AGND
LDO_IN_5V5
U2
R19
15
OUT IN
16
OUT IN 0
LDO_EN
13
SENSE EN
C1
47 F
NR
R4
4
6P4V2
DNP
5
NC 6P4V1
0
6
NC 3P2V
R9
8
NC 1P6V DNP
9 AGND
NC 0P8V 0
10
0P4V
R12
11
GND 0P2V
12
PAD 0P1V 0
R13
TPS7A4700RGW
DNP
0 COMPONENTS MARKED 'DNP' SHOULD NOT BE POPULATED.
R14
DNP
0
R11
0
R7
0 AGND
R3
DNP
0
5.2V
Orderable: PA006 Designed for: Public Mod. Date:
TID #: N/A Project Title: ADS91xx_ADS89xx_EVM-PDK
Number: PA006 Rev: C Sheet Title: LDO and Reference
SVN Rev: Version control disabled Assembly Variant: 003
Drawn By: Rafael Ordonez File: PA006C_Schematic2.SchDoc
Engineer: Shridhar More Contact: http://www.ti.com/support
5
ADS8900BEVM-PDK
6
A
B
EVM_REG_5V5
C16 C21
1000pF 10 F
AGND AGND
C
D
2/12/2016
Sheet: 2 of 3
Size: B http://www.ti.com
© Texas Instruments 2016
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