參數(shù)資料
型號： OPA2652U2K5
英文描述： Dual, 700MHz, Voltage-Feedback OPERATIONAL AMPLIFIER
中文描述： 雙通道，700MHz的，電壓反饋運(yùn)算放大器
文件頁數(shù)： 12/20頁
文件大?。?/td> 297K
代理商： OPA2652U2K5
www.ti.com
Video Line Driver
Figure 32
shows the OPA2652 used as a video line
driver. Its outstanding differential gain and phase
allow it to be used in studio equipment, while its low
cost and SOT23-8 package option also support
consumer applications.
1/2
OPA2652
V
OUT
V
IN
+5V
-
5V
C
2
C
1
402
W
402
W
402
W
Video
Output
Video
Input
1/2
OPA2652
402
W
402
W
+5V
-
5V
75.0
W
75.0
W
DESIGN-IN TOOLS
Demonstration Fixtures
Pulse Delay Circuit
Figure 33
shows the OPA2652 used in a pulse delay
circuit. This circuit cascades the two op amps in the
OPA2652, each forming a single pole, active allpass
filter. The overall gain is +1, and the overall delay
through the filter is:
Macromodels and Applications Support
1/2
OPA2652
1/2
OPA2652
402
W
C
R
402
W
R
G
402
W
R
F
402
W
C
V
O
V
IN
+5V
-
5V
+5V
-
5V
R
Simple Bandpass Filter
Figure 34
shows the OPA2652 used as simple
bandpass filter. The OPA2652 is well-suited for this
type of circuit because it is very stable at a noise
gain of +1.
OPA2652
SBOS125A–JUNE 2000–REVISED MAY 2006
Figure 34. Inverting Bandpass Filter
Figure 32. Video Line Driver
Two printed circuit boards (PCBs) are available to
assist in the initial evaluation of circuit performance
using the OPA2652 in its two package options. Both
of these are offered free of charge as unpopulated
PCBs, delivered with a user's guide. The summary
information for these fixtures is shown in
Table 1
.
Table 1. Demonstration Fixtures for the OPA2652
t
GD
=
n
(2RC), overall group delay
n = 2, the number of cascaded stages
ORDERING
NUMBER
LITERATURE
NUMBER
PRODUCT
PACKAGE
OPA2652U
SO-8
DEM-OPA-SO-2A
SBOU003
OPA2652E
SOT23-8
DEM-OPA-SOT-2A
SBOU001
The demonstration fixtures can be requested at the
Texas Instruments web site (
www.ti.com
) through the
OPA2652
product folder.
Computer simulation of circuit performance using
SPICE
is
often
useful
performance of analog circuits and systems. This
method is particularly true for video and RF amplifier
circuits where parasitic capacitance and inductance
can have a major effect on circuit performance.
Check the Texas Instruments web site (
www.ti.com
)
for available SPICE products (note that not all parts
have models). These models do a good job of
predicting small-signal AC and transient performance
under a wide variety of operating conditions. They do
not do as well in predicting the harmonic distortion or
dG/d
φ
characteristics. These models do not attempt
to
distinguish
between
small-signal AC performance.
when
analyzing
the
Figure 33. Pulse Delay Circuit
R
F
and R
G
need to be equal to maintain a constant
gain magnitude. The rise and fall times of the input
pulses, tr
(IN)
, should be slow enough to prevent
pre-shoot artifacts in the response.
tr
(IN)
≥
5RC, minimal pre-shoot
the
package
types
in
12
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OPA2652UG4 功能描述:高速運(yùn)算放大器 Dual 700MHz Voltage Feedback RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
OPA2658E 制造商:Rochester Electronics LLC 功能描述:- Bulk
OPA2658E1250 制造商:Rochester Electronics LLC 功能描述:- Bulk
OPA2658P 功能描述:高速運(yùn)算放大器 Dual Wideband RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
OPA2658U 功能描述:高速運(yùn)算放大器 Dual Wideband RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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