參數(shù)資料
型號： THS4031D
廠商： Texas Instruments, Inc.
英文描述： 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
中文描述： 100 MHz的低噪聲高速放大器
文件頁數(shù)： 25/38頁
文件大小： 674K
代理商： THS4031D
THS4031, THS4032
100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
SLOS224C – JULY 1999 – REVISED APRIL 2000
25
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
unity-gain concerns (continued)
_
+
RC
CC
VI
RF
CL
VO
RL
Gain (dB)
Original Open
Loop Response
Unstable
Intersection
Stable
Intersection
Effective
Compensated
O.L. Response
(without CC)
0
See Note A
f
NOTE A: The difference is due to 1+RF/RC noise gain.
Figure 48. Unity Gain Compensation
driving a capacitive load
Driving capacitive loads with high-performance amplifiers is not a problem as long as certain precautions are
taken. The first is to realize that the THS403x has been internally compensated to maximize its bandwidth and
slew-rate performance. When the amplifier is compensated in this manner, capacitive loading directly on the
output will decrease the phase margin of the device leading to high-frequency ringing or oscillations. Therefore,
for capacitive loads of greater than 10 pF, it is recommended that a resistor be placed in series with the output
of the amplifier, as shown in Figure 49. A minimum value of 20
should work well for most applications. For
example, in 75-
transmission systems, setting the series resistor value to 75
both isolates any capacitance
loading and provides the proper line impedance matching at the source end.
+
_
THS403x
CLOAD
360
Input
Output
360
20
Figure 49. Driving a Capacitive Load
相關(guān)PDF資料
PDF描述
THS4031JG 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4031DGN 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4031EVM 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4031FK 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4031MFK 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
THS4031DGN 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4031-EP 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4031EVM 功能描述:放大器 IC 開發(fā)工具 THS4031 Hi-Spd Amp Eval Mod RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V
THS4031FK 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4031ID 功能描述:高速運算放大器 100MHz Low Noise RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓: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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