THS4211 Datasheet, PDF (30/41 Pages) Texas Instruments – LOW-DISTORTION HIGH-SPEED VOLTAGE FEEDBACK AMPLIFIER

THS4211
THS4215
SLOS400D – SEPTEMBER 2002 – REVISED NOVEMBER 2004
ƪ ƫ L(nH) +
Kȏ
ln
2ȏ
W)
T
)
0.223
W
)
ȏ
T
)
0.5
where
W = Width of trace in inches.
ȏ = Length of the trace in inches.
T = Thickness of the trace in inches.
K = 5.08 for dimensions in inches, and K = 2 for dimensions
in cm.
(8)
J9
Power Down
Vs+
R8
J1
Vin-
J2
Vin+
R3
R2
C8
R5
R9
Vs+
7 8 _U1
2_{_}
6
R6
3₊
41
Vs -
J4
R7
Vout
Vs -
J8
Power Down Ref
C7
R1
R4
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Figure 96. THS4211/THS4215 EVM Board Layout
(Top Layer)
J7
J5
VS-
J6
GND TP1
VS+
FB1
C5
C6
VS-
C1
+
VS+
C2 ⁺
FB2
C3
C4
Figure 95. THS4211/THS4215 EVM
Circuit Configuration
Figure 97. THS4211/THS4215 EVM Board Layout
(Second Layer, Ground)
30