参数资料
型号: THS7319IZSVT
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 3 CHANNEL, VIDEO AMPLIFIER, PBGA9
封装: 1.50 X 1.50 MM, 0.35 MM HEIGHT, GREEN, UCSP-9
文件页数: 19/33页
文件大小: 733K
代理商: THS7319IZSVT
EVALUATION MODULE
+
J3
J1
J2
R1
75W
R3
75W
R2
75W
A1
A2
C1
B1
B2
A3
C2
C3
B3
JP1
1
R7
1kW
U1
R4
75W
R6
75W
R5
75W
J4
J6
J5
C3
0.1 F
m
C2
0.1 F
m
C1
100 F,10V
m
FB1
GND
V
S+
J7
J8
SBOS468A – JUNE 2009 – REVISED JULY 2009.............................................................................................................................................................. www.ti.com
To evaluate the THS7319, an evaluation module
The THS7319 incorporates an easy method to
(EVM) is available. The EVM allows dc-coupled input
configure the enable mode. JP1 controls the enable
and output configurations. Inputs and outputs include
feature. Connecting JP1 to GND applies 0 V to the
BNC connectors commonly found in video systems
enable pin and the THS7319 is placed into shutdown
along with 75-
input termination resistors, 75-
mode consuming nominally 0.15
A of quiescent
series
source
termination
resistors,
and
75-
current. Moving JP1 to +VS causes the THS7319 to
characteristic
impedance
traces.
This
EVM
is
be in normal operation mode where the quiescent
designed to be used with a single supply from 2.6 V
current should be nominally 3.4 mA for the entire
up to 5 V.
EVM. This quiescent current is with no load or no
signal applied on the input. Adding a load and/or
The EVM input configuration sets all channels for dc
input signal causes the quiescent current to vary
input coupling. The input signal must be within 0 V to
accordingly.
approximately 1.5 V for proper operation. Failure to
be within this range saturates and/or clips the output
Figure 57 shows the EVM schematic. Figure 58 and
signal. Refer to the Application Information section for
Figure 59 illustrate the two layers of the EVM PCB,
further information.
incorporating standard high-speed layout practices.
Table 5 lists the bill of materials as the board comes
supplied from Texas Instruments.
Figure 57. THS7319 EVM Schematic
26
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): THS7319
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