Texas Instruments THS3120, THS3121 Specifications Data Sheet User Manual

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THS3120, THS3121

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SLOS420A–SEPTEMBER 2003–REVISED NOVEMBER

LOW-NOISE, HIGH-OUTPUT DRIVE, CURRENT-FEEDBACK,

OPERATIONAL AMPLIFIERS

FEATURES DESCRIPTION

Low Noise

The THS3120 and THS3121 are low-noise,

p A/√Hz Noninverting Current Noise high-voltage, high output current drive, current-–

feedback amplifiers designed to operate over wide–

p A/√Hz Inverting Current Noise

if fe re ti al as eg supply range of ±5 to ±15 for today's high

2.5 n V/√Hz Voltage Noise

performance applications.

High Output Current Drive: m A

The THS3120 offers power saving mode by provid-

High Slew Rate: V/µs (RL Ω,

ing power-down pin for reducing the 7-m A quiesc-

VO VPP) ent current of the device, when the device is not

Wide Bandwidth: MHz (G 2, RL Ω) active.•

Wide Supply Range: ±5 to ±15 These amplifiers provide well-regulated ac

performance characteristics. Most notably, the 0.1-d B•

Power-Down Feature: (THS3120 Only)

flat bandwidth is exceedingly high, reaching beyond

MHz. The unity gain bandwidth of MHz allows

APPLICATIONS

for good distortion characteristics at MHz. Coupled

Video Distribution

with high 1700-V/µs slew rate, the THS3120 and

Power FET Driver THS3121 amplifiers allow for high output voltage

Pin Driver swings at high frequencies.•

Capacitive Load Driver

The THS3120 and THS3121 are offered in 8-pin

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

Power PAD™.

DIFFERENTIAL GAIN DIFFERENTIAL PHASE

vs vs

NUMBER OF LOADS NUMBER OF LOADS

Gain = 2, VIDEO DISTRIBUTION AMPLIFIER APPLICATION

Gain = 2,

RF = 649 Ω, RF = 649 Ω, 0.06 VS = ±15 V, 0.12 VS = ±15 V, 649 Ω 649 Ω

40 IRE − NTSC and PAL, 40 IRE − NTSC and PAL, Worst Case ±100 IRE Ramp Worst Case ±100 IRE Ramp

0.1 15 V 75-Ω Transmission Line

VO(1)

PAL 0.08

PAL VI

0.03 NTSC NTSC

−15 V 75 Ω n Lines

VO(n)

Number of 150 Ω Loads

Number of 150 Ω Loads

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.

Power PAD is trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date. Copyright 2003, 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.