1

FEATURES

DESCRIPTION/ORDERING INFORMATION

APPLICATIONS

RELATED PRODUCTS

THS4511

R =75

S

W

-

+

V

=5V

S+

175 W

175 W

75 W

130 W

130 W

348 W

348 W

V

OD

VideoSource

THS4511–SP

SLOS538A – SEPTEMBER 2007 – REVISED OCTOBER 2007

www.ti.com

RAD-TOLERANT CLASS V, WIDEBAND, FULLY DIFFERENTIAL AMPLIFIER

• Fully Differential Architecture

• Common-Mode Input Range Includes Negative

The THS4511 is a fully differential operational

amplifier

designed

for

single-supply

5

V

Rail

data-acquisition systems. It has very low noise at

• Minimum Gain of 2 V/V (6 dB)

2 nV/

√Hz, and extremely low harmonic distortion of

• Bandwidth: 1.1 GHz (Gain = 6 dB)

• Slew Rate: 5100 V/μs

2 Vpp, G = 14 dB, and 100

Ω load. Slew rate is very

high at 5100 V/

μs and with settling time of 5.5 ns to

• 1% Settling Time: 5.5 ns

1% (2 V step) it is ideal for pulsed applications. It is

• HD

designed for minimum gain of 6 dB.

• HD

To allow for dc coupling to ADCs, its unique output

• OIP

common-mode control circuit maintains the output

• OIP

common-mode voltage within 5 mV offset (typical)

from the set voltage, when set within ±0.5 V of

• Input Voltage Noise: 2 nV/√Hz (f > 10 MHz)

mid-supply. The common-mode set point is set to

• Noise Figure: 21.8 dB (50 Ω System, G = 6 dB)

mid-supply by internal circuitry,

which

may

be

• Output Common-Mode Control

over-driven from an external source.

• 5 V Power Supply Current: 39.2 mA

The THS4511 is a high-performance amplifier that

• Power-Down Capability: 0.65 mA

has been optimized for use in 5 V single-supply data

acquisition systems. The output has been optimized

• Rad-Tolerant: 150 kRad (Si) TID

for best performance with its common-mode voltages

• QML-V Qualified, SMD 5962-07222

set to mid-supply, and the input has been optimized

for performance over a wide range of common-mode

input

voltages.

High

performance

at

a

low

power-supply voltage enables single-supply 5 V

• 5 V Data-Acquisition Systems

data-acquisition systems while minimizing component

• High Linearity ADC Amplifier

count.

• Wireless Communication

The THS4511 is offered in a 16-pin ceramic flatpack

• Medical Imaging

package (W), and is characterized for operation over

• Test and Measurement

the full military temperature range from –55

°C to

125

°C.

Video Buffer, Single Ended to Differential

MINIMUM

COMMON-MODE

DEVICE

GAIN

RANGE OF INPUT(1)

THS4511-SP

6 dB

–0.3 V to 2.3 V

THS4513-SP

6 dB

0.75 V to 4.25 V

(1) Assumes a 5 V single-ended power supply

1

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 © 2007, 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.