THS4121 EVM Specifications
1-3
Introduction and Description
J
Footprints for high-precision, balanced feedback and gain resistors
(0.01% or better)
J
Footprints for low-pass filter implementation (see application note
SLOA054A)
J
Footprints for antialiasing filter implementation (see application note
SLOA054A)
J
Differential probe terminals on input and output nodes for differential
probe insertion
J
Various GND and signal test points on the PCB
J
Circuit schematic printed on the back of the EVM
J
A good example of high-speed amplifier PCB design and layout
1.3
THS4121 EVM Specifications
Supply voltage range
(see the device data sheet)
. . . . . . . . . . . . . . . . . . . . . . .
Supply current, I
CC
(see the device data sheet)
. . . . . . . . . . . . . . . . . . . . . . . .
Output drive, I
O
(see the device data sheet)
. . . . . . . . . . . . . . . . . . . . . . . . . . .
For complete THS4121 amplifier IC specifications, parameter measurement
information, and additional application information, see the THS4121 data
sheet, TI literature number SLOS319.
1.4
Schematic of the Populated Circuit (Default Configuration)
For verification of jumper locations and other bypass components, see the
complete EVM schematic in Figure 1–2.
Figure 1–1. Schematic of the Populated Circuit on the EVM (Default Configuration)
150
Ω
+
–
–
+
V
DD
V
SS
150
Ω
0
Ω
0
Ω
V
IN
AC
0
Ω
0
Ω
RX1
0
Ω
R1b
R1a
150
Ω
R3b
R3a
R6a
C1
V
OCM
C4
C6
R4b
R4a
0
Ω
0
Ω
Rx4
Rx5
49.9
Ω
49.9
Ω
R10
Rx6
50
Ω
Source
NOTE: Default populated footprints on the EVM from the input nodes to the output terminals Gain = 1
150
Ω
R6B
RX3
49.9
Ω
JU4
JU3
Rx0
24.9
Ω
