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THS3091 PDF预览

THS3091

更新时间: 2024-11-25 22:42:19
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德州仪器 - TI 运算放大器
页数 文件大小 规格书
31页 1059K
描述
HIGH-VOLTAGE, LOW-DISTORTION, CURRENT-FEEDBACK OPERATIONAL AMPLIFIERS

THS3091 数据手册

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THS3091  
THS3095  
www.ti.com  
SLOS423CSEPTEMBER 2003REVISED AUGUST 2004  
HIGH-VOLTAGE, LOW-DISTORTION, CURRENT-FEEDBACK  
OPERATIONAL AMPLIFIERS  
FEATURES  
DESCRIPTION  
Low Distortion  
The THS3091 and THS3095 are high-voltage,  
low-distortion, high-speed, current-feedback  
amplifiers designed to operate over a wide supply  
range of ±5 V to ±15 V for applications requiring  
large, linear output signals such as Pin, Power FET,  
and VDSL line drivers.  
– 77 dBc HD2 at 10 MHz, RL = 1 kΩ  
– 69 dBc HD3 at 10 MHz, RL = 1 kΩ  
Low Noise  
– 14 pA/Hz Noninverting Current Noise  
– 17 pA/Hz Inverting Current Noise  
– 2 nV/Hz Voltage Noise  
The THS3095 features a power-down pin (PD) that  
puts the amplifier in low power standby mode, and  
lowers the quiescent current from 9.5 mA to 500 µA.  
High Slew Rate: 7300 V/µs (G = 5, VO = 20 VPP  
Wide Bandwidth: 210 MHz (G = 2, RL = 100 )  
High Output Current Drive: ±250 mA  
Wide Supply Range: ±5 V to ±15 V  
Power-Down Feature: (THS3095 Only)  
)
The wide supply range combined with total harmonic  
distortion as low as -69 dBc at 10 MHz, in addition, to  
the high slew rate of 7300 V/µs makes the  
THS3091/5 ideally suited for high-voltage arbitrary  
waveform driver applications. Moreover, having the  
ability to handle large voltage swings driving into  
high-resistance and high-capacitance loads while  
maintaining good settling time performance makes  
the devices ideal for Pin driver and PowerFET driver  
applications.  
APPLICATIONS  
High-Voltage Arbitrary Waveform  
Power FET Driver  
Pin Driver  
VDSL Line Driver  
The THS3091 and THS3095 are offered in an 8-pin  
SOIC (D), and the 8-pin SOIC (DDA) packages with  
PowerPAD™.  
TYPICAL ARBITARY WAVEFORM  
GENERATOR OUTPUT DRIVE CIRCUIT  
TOTAL HARMONIC DISTORTION  
vs  
FREQUENCY  
−20  
G = 5,  
V
= 20 V  
PP  
O
R
R
= 1 k,  
= 100 ,  
= ±15 V  
F
L
−30  
−40  
+
THS3091  
V
S
V
= 10 V  
PP  
O
−50  
−60  
−70  
V
OUT  
+
IOUT1  
DAC5686  
IOUT2  
+
THS3091  
V
= 5 V  
PP  
O
THS4271  
−80  
−90  
V
= 2 V  
PP  
O
100 k  
1 M  
10 M  
100 M  
+
f − Frequency − Hz  
THS3091  
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.  
UNLESS OTHERWISE NOTED this document contains PRO-  
DUCTION DATA information current as of publication date. Prod-  
ucts conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily  
include testing of all parameters.  
Copyright © 2003–2004, Texas Instruments Incorporated  

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