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THS4275DRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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THS4275DRG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 38 page THS4271 THS4275 SLOS397E − JULY 2002 − REVISED JANUARY 2004 LOW NOISE, HIGH SLEW RATE, UNITY GAIN STABLE VOLTAGE FEEDBACK AMPLIFIER DGK-8 DGN-8 D-8 DRB-8 FEATURES D Unity Gain Stability D Low Voltage Noise − 3 nV/ √Hz D High Slew Rate: 1000 V/µs D Low Distortion − −92 dBc THD at 30 MHz D Wide Bandwidth: 1.4 GHz D Supply Voltages − +5 V, ±5 V, +12 V, +15 V D Power Down Functionality (THS4275) D Evaluation Module Available DESCRIPTION The THS4271 and THS4275 are low-noise, high slew rate, unity gain stable voltage feedback amplifiers designed to run from supply voltages as low as 5 V and as high as 15 V. The THS4275 offers the same performance as the THS4271 with the addition of power down capability. The combination of low-noise, high slew rate, wide bandwidth, low distortion, and unity gain stability make the THS4271 and THS4275 high performance devices across multiple ac specifications. Designers using the THS4271 are rewarded with higher dynamic range over a wider frequency band without the stability concerns of decompensated amplifiers. The devices are available in SOIC, MSOP with PowerPAD , and leadless MSOP with PowerPAD packages. APPLICATIONS D High Linearity ADC Preamplifier D Wireless Communication Receivers D Differential to Single-Ended Conversion D DAC Output Buffer D Active Filtering 1 2 3 4 8 7 6 5 NC IN− IN+ VS− NC VS+ VOUT NC THS4271 RELATED DEVICES DEVICE DESCRIPTION THS4211 1-GHz voltage feedback amplifier THS4503 Wideband fully differential amplifier THS3202 Dual, wideband current feedback amplifier _ + 249 Ω +5 V 49.9 Ω VI −5 V 50 Ω Source Low-Noise, Low-Distortion, Wideband Application Circuit NOTE: Power supply decoupling capacitors not shown VO 249 Ω 50 Ω THS4271 This document contains information on products in more than one phase of development. The status of each device is indicated on the page(s) specifying its electrical characteristics. 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. www.ti.com Copyright 2002 − 2004, Texas Instruments Incorporated PowerPAD is a trademark of Texas Instruments. −100 −90 −80 −70 −60 −50 −40 1 10 100 Gain = 2 Rf = 249 Ω RL = 150 Ω VO = 2 VPP VS = ±5 V HARMONIC AND INTERMODULATION DISTORTION vs FREQUENCY f − Frequency − MHz IMD3 200 kHz Tone Spacing VO = 2 VPP Envelope HD3 HD2 |
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