Features: `Separate Low Noise Preamp and PGA Stages`Shutdown Control`Preamp Features Low Voltage Noise . . . 1.7 nV/Hz Accessible Output Pin for External`Filtering Voltage Feedback, Gmin = 1, 2 100 MHz Bandwidth (3 dB)`PGA Features Digitally Programmable Gain 22 dB to 20 dB Gain/Attenuation ...
THS7002: Features: `Separate Low Noise Preamp and PGA Stages`Shutdown Control`Preamp Features Low Voltage Noise . . . 1.7 nV/Hz Accessible Output Pin for External`Filtering Voltage Feedback, Gmin = 1, 2 ...
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US $6.08 - 8.4 / Piece
Special Purpose Amplifiers 70-MHz Hi-Spd Prog Gain Amplifier
US $5.45 - 8.4 / Piece
Special Purpose Amplifiers 70-MHz Hi-Spd Prog Gain Amplifier
The THS7001 (single) and THS7002 (dual) are high-speed programmable-gain amplifiers, ideal for applications where load impedance can often vary. Each channel on THS7001 and THS7002 consists of a separate low-noise input preamp and a programmable gain amplifier (PGA). The preamp is a voltage-feedback amplifier offering a low 1.7-nV/Hz voltage noise with a 100-MHz (3 dB) bandwidth. The output pin of the preamp is accessible so that filters can be easily added to the amplifier.
The 3-bit digitally-controlled PGA provides a 22-dB to 20-dB attenuation/gain range with a 6-dB step resolution. In addition, the PGA provides both high and low output clamp protection to prevent the output signal from swinging outside the common-mode input range of an analog-to-digital converter. The PGA THS7001 and THS7002 provides a wide 70-MHz (3 dB) bandwidth, which remains relatively constant over the entire gain/attenuation range. Independent shutdown control is also provided for power conservation and multiplexing. THS7001 and THS7002 operate over a wide ±4.5-V to ±16-V supply voltage range.