THS4509 Datasheet, PDF (32/42 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

THS4509
SLOS454H – JANUARY 2005 – REVISED NOVEMBER 2009
THS4509 EVM
www.ti.com
Figure 94 is the THS4509 EVAL1 EVM schematic; layers 1 through 4 of the PCB are shown Figure 95, and
Table 4 is the bill of materials for the EVM as supplied from TI.
V_S−
J4
VEE
0.1 µF
TP1 _C9
C10
0.1 µF
C4
10 µF
C6
10 µF
GND
J5
V_S+
J6
VCC
10 µF
10 µF
0.1 µF
0.1 µF
C3
C5
C12
C13
R5
R1
348 Ω _VCC
J1
69.8 Ω
R3
68
12 ^{5 7}
R12
C15
49.9 Ω _{0.22 µF}
J2
100 Ω
PD
2_−
U1 ₁₁
+
R4
4
3
V_O+
V_O−
PwrPad ₁₀
100 Ω
R2
69.8 Ω
Vocm
9
15 13
14 16 _VEE
R6
348 Ω
TP2
TP3
J8
R9
open
R7
J3
T1
86.6 Ω
R11 ⁶
1
R8
69.8 Ω ₅
86.6 Ω
4
3
XFMR_ADT1−1WT
R10
open
J7
C14
0.1 µF
C11
0.1 µF
C8
open
VCC
C7
open
C1
open
C2
open
VEE
Figure 94. THS4509 EVAL1 EVM Schematic
Figure 95. THS4509 EVAL1 EVM Layer 1 through Layer 4
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