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THS4511 Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce THS4511
Description  WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER
Download  25 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

THS4511 Fiches technique(HTML) 1 Page - Texas Instruments

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FEATURES
DESCRIPTION
APPLICATIONS
RELATED PRODUCTS
THS4511
VIN
R = 75
S
W
VSignal
VS-
VCM = 2.5 V
RO
RO
-
+
V
= 5 V
S+
175 W
175 W
75 W
130 W
130 W
348 W
348 W
V
OD
Video Source
THS4511
SLOS471 – SEPTEMBER 2005
WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER
Fully Differential Architecture
The THS4511 is a wideband, fully-differential oper-
ational
amplifier
designed
for
single-supply
5-V
Common-Mode Input Range Includes
data-acquisition systems. It has very low noise at 2
the Negative Rail
nV/
√Hz, and extremely low harmonic distortion of –72
Unity Gain Stable
dBc HD2 and –87 dBc HD3 at 70 MHz with 2 Vpp,
Bandwidth: 1.6 GHz (Gain = 0 dB)
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
Slew Rate: 4900 V/µs
V step) it is ideal for pulsed applications. It is
0.1% Settling Time: 3.3 ns
designed for minimum gain of 0 dB.
HD2: –72 dBc at 70 MHz
To allow for dc coupling to ADCs, its unique output
HD3: –87 dBc at 70 MHz
common-mode control circuit maintains the output
OIP2: 76 dBm at 70 MHz
common-mode voltage within 5-mV offset (typical)
from the set voltage, when set within
±0.5 V of
OIP3: 42 dBm at 70 MHz
mid-supply. The common-mode set point is set to
Input Voltage Noise: 2 nV/
√Hz (f > 10 MHz)
mid-supply by internal circuitry,
which
may
be
Noise Figure: 21.8 dB (50
Ω System, G = 6 dB)
over-driven from an external source.
Output Common-Mode Control
The THS4511 is a high-performance amplifier that
5-V Power Supply Current: 39.2 mA
has been optimized for use in 5-V single supply data
acquisition systems. The output has been optimized
Power-Down Capability: 0.65 mA
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
5-V Data-Acquisition Systems
input
voltages.
High
performance
at
a
low
High Linearity ADC Amplifier
power-supply
voltage
enables
single-supply
5-V
Wireless Communication
data-acquisition systems while minimizing component
count.
Medical Imaging
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.
Device
Min. Gain
Common Mode Range
of Input*
Video Buffer, Single-Ended to Differential
THS4508
6 dB
–0.3V to 2.3V
THS4509
6 dB
0.75V to 4.25V
THS4511
0 dB
–0.3V to 2.3V
THS4513
0 dB
0.75V to 4.25V
*Note: Assumes a 5V single-ended power supply
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.


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