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THS3120CDGNR-THS3120ID
Single, Low Noise, High Output Drive, 475mA Current-Feedback Amplifier with Power-down
NTSC
Gain = 2,
RF = 649 W,
VS = ±15 V,
40 IRE − NTSC and PAL,
Worst Case ±100 IRE Ramp
75 W
75 W
75 W
75 W
n Lines
VO(1)
VO(n)
75-W Transmission Line
649 W
−15 V
15 V0.14 1 2 34 5
Number of 150 W LoadsPAL
NTSC
Gain = 2,
RF = 649 W,
VS = ±15 V,
40 IRE − NTSC and PAL,
Worst Case ±100 IRE Ramp
DIFFERENTIAL PHASE
NUMBER OF LOADS
DIFFERENTIAL GAIN
NUMBER OF LOADS
VIDEO DISTRIBUTION AMPLIFIER APPLICATION
THS3120
THS3121
www.ti.com........................................................................................................................................ SLOS420E –SEPTEMBER 2003–REVISED OCTOBER 2009
LOW-NOISE, HIGH-OUTPUT DRIVE, CURRENT-FEEDBACK
OPERATIONAL AMPLIFIERS
Checkfor Samples: THS3120 THS3121
1FEATURES DESCRIPTION
23• Low Noise: The THS3120 and THS3121 are low-noise,
high-voltage, high output current drive,
– 1 pA/√Hz Noninverting Current Noisecurrent-feedback amplifiers designedto operate over
– 10 pA/√Hz Inverting Current Noise a wide supply rangeof ±5Vto ±15V for today's
– 2.5 nV/√Hz Voltage Noise high-performance applications.
High Output Current Drive: 475 mA The THS3120 offersa power saving mode by
• High Slew Rate: providinga power-down pin for reducing the 7-mA
quiescent currentof the device, when the deviceis
– 1700 V/μs (RL=50Ω, VO=8 VPP)not active.
• Wide Bandwidth: 120 MHz(G=2, RL=50Ω)These amplifiers provide well-regulated ac
• Wide Supply Range:±5Vto ±15Vperformance characteristics. Most notably, the 0.1-dB
• Power-Down Feature: (THS3120 Only) flat bandwidthis exceedingly high, reaching beyond MHz. The unity-gain bandwidthof 130 MHz allows
APPLICATIONS for good distortion characteristicsat10 MHz. Coupled
• Video Distribution with high 1700-V/μs slew rate, the THS3120 and
THS3121 amplifiers allow for high output
• Power FET Driverswingsat high frequencies.
• Pin Driver Capacitive Load Driver The THS3120 and THS3121 are offered
SOIC-8 (D) package and an MSOP-8
PowerPAD™ package.