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參數(shù)資料
| 型號： | THS4031JG |
| 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)： | 20/38頁 |
| 文件大小： | 674K |
| 代理商： | THS4031JG |
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THS4031, THS4032
100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
SLOS224C – JULY 1999 – REVISED APRIL 2000
20
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
theory of operation
The THS403x is a high-speed operational amplifier configured in a voltage feedback architecture. It is built using
a 30-V, dielectrically isolated, complementary bipolar process with NPN and PNP transistors possessing f
T
s of
several GHz. This results in an exceptionally high-performance amplifier that has a wide bandwidth, high slew
rate, fast settling time, and low distortion. A simplified schematic is shown in Figure 43.
IN– (2)
IN+ (3)
NULL (1)
NULL (8)
(6) OUT
(4) VCC–
(7) VCC+
Figure 43. THS4031 Simplified Schematic
noise calculations and noise figure
Noise can cause errors on very small signals. This is especially true when amplifying small signals. The noise
model for the THS403x, shown in Figure 44, includes all of the noise sources as follows:
e
n
= Amplifier internal voltage noise (nV/
√
Hz)
IN+ = Noninverting current noise (pA/
√
Hz)
IN– = Inverting current noise (pA/
√
Hz)
e
Rx
= Thermal voltage noise associated with each resistor (e
Rx
= 4 kTR
x
)
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| THS4031MFK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4031MFKB | 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:OP Amp Single Volt Fdbk 16V/32V 20-Pin LCCC Tube |
| THS4031MJG | 制造商:Texas Instruments 功能描述:OP Amp Single Volt Fdbk ±16V/32V 8-Pin CDIP Tube 制造商:Texas Instruments 功能描述:OP AMP SGL VOLT FDBK 16V/32V 8CDIP - Rail/Tube |
| THS4031MJGB | 制造商:Texas Instruments 功能描述:OP Amp Single Volt Fdbk ±16V/32V 8-Pin CDIP Tube |
| THS4032 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
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