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| TDA3MV Datasheet, PDF (195/256 Pages) Texas Instruments – TDA3x SoC for Advanced Driver Assistance Systems (ADAS) 15mm Package (ABF) Silicon Revision 2.0 | |||
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IR Drop: vdd_dspeve
TDA3MV, TDA3MA
TDA3LX, TDA3LA
SPRS964C â JUNE 2016 â REVISED JULY 2017
Figure 8-16. vdd_dspeve Voltage/IR Drop [All Layers]
Dynamic analysis of this PCB design for the CORE power domain determined the vdd_dspeve decoupling
capacitor loop inductance and impedance vs frequency analysis shown below. As you can see, the loop
inductance values ranged from 0.68 â1.79nH and were less than maximum 2.0nH recommended.
Table 8-9. Decoupling Design Detail Summary
Cap Reference
Description
C5101
C5100
C5085
C5019
C5111
C5030
C5037
C5018
C5021
C5026
C5079
C5080
Loop Inductacne at
50MHz [nH]
0.73
0.78
0.84
1.09
1.09
1.11
1.11
1.14
1.17
1.18
1.32
1.58
Footprint Types
2vWEE
2vWEE
2vWEE
4vWE
4vWE
4vWE
4vWE
4vWE
4vWE
4vWE
4vWE
4vWE
PCB Side
Bottom
Bottom
Bottom
Top
Bottom
Top
Top
Top
Top
Top
Bottom
Bottom
Distance to
Ball-Field [mils]
82
107
35
631
681
738
563
681
761
792
542
602
Value
0.1
0.1
0.1
0.47
0.1
4.7
2.2
1
0.22
22
0.1
0.1
Size
0402
0402
0402
0603
0402
0805
0603
0603
0603
1206
0402
0402
Copyright © 2016â2017, Texas Instruments Incorporated
Applications, Implementation, and Layout 195
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Product Folder Links: TDA3MV TDA3MA TDA3LX TDA3LA
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