TS4851 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TS4851
STMicroelectronics
TS4851 Datasheet PDF : 28 Pages
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TS4851
Daisy Chain Samples
7 Daisy Chain Samples
A daisy chain sample is a “dummy” silicon chip that can be used to test your flip-chip soldering process
and connection continuity. The daisy chain sample features paired connections between bumps, as
shown in the schematic below. On your PCB layout, you should design the bump connections such that
they are complementary to the above schema (meaning that different pairs of bumps are connected on
the PCB side). In this way, by simply connecting an ohmmeter between pin 1A and pin 5A, you can test
the continuity of your soldering process.
The order code for daisy chain samples is given below.
Figure 62: Daisy chain sample mechanical data
2.44 mm
7
R
OUT-
GND
L
OUT -
6
R
OUT +
L
OUT +
5
R
IN
VCC
DATA
4
L
IN
NC
3
PHONE
IN
VCC
ENB
SPKR
SPKR
2
OUT +
OUT -
1
BYPASS
GND
CLK
A
BC
Order code for daisy chain samples
Part Number
TSDC02IJT
Temperature Range
-40, +85°C
DE
Package
J
•
2.17 mm
Marking
DC2
26/28
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