Datasheet

4-1
EVM Hardware Description
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This chapter describes the EVM hardware. It includes the EVM parts list,
component placement diagram and printed circuit board layout.
Table 4−1.THS4221EVM Bill of Materials
Item Description SMD
Size
Ref. Des. PCB
Qty.
Manufacturer’s
Part No.
Distributor’s
Part No.
1 Bead, ferrite, 3A, 80 Ω 1206 FB1, FB2 2 (Steward)
HI1206N800R-00
(Digi−Key)
240-1010-1-ND
2 OPEN 1206 C1 1
3 CAP, 22 µF, tantalum, 25V,
10%
D C4, C5 2 (AVX)
TAJD226K025R
(Garrett) TAJD226K025R
4 CAP, 0.1 µF, ceramic, X7R,
50V
0805 C3, C6 2 (AVX)
08055C104KAT2A
(Garrett)
08055C104KAT2A
5 Cap, 100 pF, ceramic, 5%,
150 V
AQ12 C2, C7 2 (AVX)
AQ12EM101JAJME
(TTI)
AQ12EM101JAJME
6 OPEN 0603 R6 1
7 Resistor, 1.3 kΩ, 1/10W, 1% 0603 R2, R4 2 (Phycomp)
9C06031A1301FKHFT
(Garrett)
9C06031A1301FKHFT
8 Resistor, 953 Ω, 1/10W, 1% 0603 R5 1 (Phycomp)
9C06031A9530FKRFT
(Garrett)
9C06031A9530FKRFT
9 Resistor, 52.3 Ω, 1/8W, 1% 0805 R1 1 (Phycomp)
9C08052A52R3FKHFT
(Garrett)
9C08052A52R3FKHFT
10 Resistor, 649 Ω, 1/8 W, 1% 0805 R3 1 (Phycomp)
9C08052A6490FKHFT
(Garrett)
9C08052A6490FKHFT
11 Jack, banana receptance,
0.25” diameter hole
J5, J6, J7 3 (HH Smith) 101 (Newark) 35F865
12 OPEN J3 1
13 Test point, black TP1 1 (Keystone)
5001
(Digi-Key)
5001K-ND
14 Connector, edge, SMA PCB
jack
J1, J2, J4 3 (Johnson)
142−0701−801
(Newark)
90F2624
15 IC, THS4221 U1 1 (TI) THS4222DBV
16 Printed-circuit board 1 (TI) EDGE # 6447941
Rev.A
Chapter 4