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THS3122CDDAG3 PDF预览

THS3122CDDAG3

更新时间: 2024-02-04 20:09:07
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德州仪器 - TI /
页数 文件大小 规格书
20页 663K
描述
Low-Noise, High-Speed, 450-mA Current Feedback Amplifiers

THS3122CDDAG3 数据手册

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ꢀꢁ ꢂ ꢃꢄ ꢅꢅ  
ꢀꢁ ꢂ ꢃꢄ ꢅꢆ  
SLOS382 − SEPTEMBER 2001  
D
Line Drivers  
FEATURES  
D
D
Motor Drivers  
Piezo Drivers  
D
Low Noise  
− 2.9 pA/Hz Noninverting Current Noise  
− 10.8 pA/Hz Inverting Current Noise  
− 2.2 nV/Hz Voltage Noise  
DESCRIPTION  
The THS3122/5 are low-noise, high-speed current  
feedback amplifiers, with high output current drive. This  
makes them ideal for any application that requires low  
distortion over a wide frequency with heavy loads. The  
THS3122/5 can drive four serially terminated video  
lines while maintaining a differential gain error less than  
0.03%.  
D
D
High Output Current, 450 mA  
High Speed  
− 128 MHz , −3 dB BW(R = 50 , R = 470 )  
L
F
− 1550 V/µs Slew Rate (G = 2, R = 50 )  
L
D
D
D
D
Wide Output Swing  
− 26 V Output Voltage, R = 50 Ω  
PP  
L
Low Distortion  
The high output drive capability of the THS3122/5  
enables the devices to drive 50-loads with low  
distortion over a wide range of output voltages:  
− -80 dBc (1 MHz, 2 V , G = 2)  
PP  
Low Power Shutdown Mode (THS3125)  
− 370-µA Shutdown Supply Current  
Standard SOIC, SOIC PowerPAD, and  
TSSOP PowerPAD Package  
−80 −dBc THD at 2 V  
−75 −dBc THD at 8 V  
PP  
PP  
The THS3122/5 can operate from 5 V to 15 V supply  
voltages while drawing as little as 7.2 mA of supply  
current per channel. They offer a low power shutdown  
mode, reducing the supply current to only 370 µA. The  
THS3122/5 are packaged in a standard SOIC, SOIC  
PowerPAD, and TSSOP PowerPAD packages.  
APPLICATIONS  
D
Video Distribution  
Instrumentation  
D
VOLTAGE NOISE AND CURRENT NOISE  
vs  
THS3125  
SOIC (D) AND  
THS3122  
SOIC (D) AND  
FREQUENCY  
100  
V
T
A
=
5 V to 15 V  
SOIC PowerPAD(DDA) PACKAGE  
TSSOP PowerPAD(PWP) PACKAGE  
CC  
= 25°C  
(TOP VIEW)  
(TOP VIEW)  
I
n−  
1 OUT  
1 IN−  
1 IN+  
V
CC+  
1
2
3
4
8
7
6
5
1 OUT  
1 IN−  
1 IN+  
V
CC+  
1
2
3
4
5
6
7
14  
2 OUT  
2 IN−  
2 IN+  
13 2 OUT  
12 2 IN−  
11 2 IN+  
I
10  
n+  
V
CC−  
V
CC−  
N/C  
10  
9
V
N/C  
n
GND  
N/C  
SHUTDOWN  
N/C  
8
1
0.01  
0.1  
1
10  
100  
f − Frequency − kHz  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PowerPAD is a trademark of Texas Instruments.  
ꢀꢧ  
Copyright 2001, Texas Instruments Incorporated  
ꢣ ꢧ ꢤ ꢣꢝ ꢞꢱ ꢠꢟ ꢢ ꢪꢪ ꢨꢢ ꢡ ꢢ ꢔ ꢧ ꢣ ꢧ ꢡ ꢤ ꢬ  
1
www.ti.com  

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