+

−

75

Ω

75

Ω

75

Ω

75

Ω

75

Ω

n Lines

75-

Ω Transmission Line

1 k

Ω

−15 V

15 V

DIFFERENTIAL GAIN

vs

NUMBER OF LOADS

VIDEO DISTRIBUTION AMPLIFIER APPLICATION

0

0.05

0.1

0.15

0.2

0.25

0.3

0

1

2

3

4

5

6

7

8

Number of 150

Ω Loads

PAL

NTSC

Gain = 2,

40 IRE − NTSC and PAL,

Worst Case

±100 IRE Ramp

0

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0

1

2

3

4

5

6

7

8

Number of 150

Ω Loads

PAL

NTSC

Gain = 2,

40 IRE − NTSC and PAL,

Worst Case

±100 IRE Ramp

DIFFERENTIAL PHASE

vs

NUMBER OF LOADS

1 k

Ω

THS3110

THS3111

LOW-NOISE, HIGH-VOLTAGE, CURRENT-FEEDBACK

OPERATIONAL AMPLIFIERS

Check for Samples: THS3110 THS3111

1

FEATURES

DESCRIPTION

23

•

Low Noise

The

THS3110

and

THS3111

are

low-noise,

high-voltage, current-feedback amplifiers designed to

–

2-pA/

√Hz Noninverting Current Noise

operate over a wide supply range of ±5 V to ±15 V for

–

10-pA/

√Hz Inverting Current Noise

today's high performance applications.

–

3-nV/

√Hz Voltage Noise

The THS3110 features a power-down pin (PD) that

•

High Output Current Drive: 260 mA

puts the amplifier in low-power standby mode, and

•

High Slew Rate: 1300 V/

μs

lowers the quiescent current from 4.8 mA to 270

μA.

–

These

amplifiers

provide

well-regulated

ac

•

performance

characteristics.

The

unity-gain

bandwidth of 100 MHz allows for good distortion

•

Wide Supply Range: ±5 V to ±15 V

characteristics below 10 MHz. Coupled with a high

•

Power-Down Feature: (THS3110 Only)

1300-V/

μs slew rate, the THS3110 and THS3111

amplifiers allow for high output voltage swings at high

APPLICATIONS

frequencies.

•

Video Distribution

The THS3110 and THS3111 are offered in the

•

Power FET Driver

SOIC-8 (D) and the MSOP-8 (DGN) packages with

•

Pin Driver

PowerPAD™.

•

Capacitive Load Driver

space

space

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.

2

PowerPAD is a trademark of Texas Instruments.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2003–2009, 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.