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THS4511RGTT PDF预览

THS4511RGTT

更新时间： 2024-01-25 15:37:01
品牌 Logo 应用领域
德州仪器 - TI 放大器
页数 文件大小 规格书
25页 2807K
描述
WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

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THS4511RGTT 数据手册

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THS4511  
www.ti.com  
SLOS471–SEPTEMBER 2005  
WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER  
FEATURES  
DESCRIPTION  
•
Fully Differential Architecture  
The THS4511 is a wideband, fully-differential oper-  
ational amplifier designed for single-supply 5-V  
data-acquisition systems. It has very low noise at 2  
nV/√Hz, and extremely low harmonic distortion of –72  
dBc HD2 and –87 dBc HD3 at 70 MHz with 2 Vpp,  
G = 0 dB, and 200-Ω load. Slew rate is very high at  
4900 Vµs and with settling time of 3.3 ns to 0.1% (2  
V step) it is ideal for pulsed applications. It is  
designed for minimum gain of 0 dB.  
•
Common-Mode Input Range Includes  
the Negative Rail  
•
•
•
•
•
•
•
•
•
•
•
•
•
Unity Gain Stable  
Bandwidth: 1.6 GHz (Gain = 0 dB)  
Slew Rate: 4900 V/µs  
0.1% Settling Time: 3.3 ns  
HD2: –72 dBc at 70 MHz  
To allow for dc coupling to ADCs, its unique output  
common-mode control circuit maintains the output  
common-mode voltage within 5-mV offset (typical)  
from the set voltage, when set within ±0.5 V of  
mid-supply. The common-mode set point is set to  
mid-supply by internal circuitry, which may be  
over-driven from an external source.  
HD3: –87 dBc at 70 MHz  
OIP2: 76 dBm at 70 MHz  
OIP3: 42 dBm at 70 MHz  
Input Voltage Noise: 2 nV/√Hz (f > 10 MHz)  
Noise Figure: 21.8 dB (50 Ω System, G = 6 dB)  
Output Common-Mode Control  
5-V Power Supply Current: 39.2 mA  
Power-Down Capability: 0.65 mA  
The THS4511 is a high-performance amplifier that  
has been optimized for use in 5-V single supply data  
acquisition systems. The output has been optimized  
for best performance with its common-mode voltages  
set to mid supply, and the input has been optimized  
for performance over a wide range of common-mode  
APPLICATIONS  
•
•
•
•
•
5-V Data-Acquisition Systems  
High Linearity ADC Amplifier  
Wireless Communication  
Medical Imaging  
input voltages. High performance at  
a
low  
power-supply voltage enables single-supply 5-V  
data-acquisition systems while minimizing component  
count.  
Test and Measurement  
The THS4511 is offered in a Quad 16-pin leadless  
QFN package (RGT), and is characterized for oper-  
ation over the full industrial temperature range from  
–40°C to 85°C.  
RELATED PRODUCTS  
Device  
Min. Gain Common Mode Range  
of Input*  
Video Buffer, Single-Ended to Differential  
THS4508  
THS4509  
THS4511  
THS4513  
6 dB  
6 dB  
0 dB  
0 dB  
–0.3V to 2.3V  
0.75V to 4.25V  
–0.3V to 2.3V  
0.75V to 4.25V  
Video Source  
R
= 75 W  
V
175 W  
348 W  
S
IN  
V
= 5 V  
S+  
130 W  
V
Signal  
*Note: Assumes a 5V single-ended power supply  
R
O
-
V
THS4511  
R
OD  
175 W  
O
+
V
= 2.5 V  
CM  
V
75 W  
130 W  
S-  
348 W  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...25

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THS4511RGTT 替代型号

型号 品牌 替代类型 描述 数据表
THS4511RGTTG4 TI

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THS4511RGTR TI

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 WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

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