THS7001 - 70-MHz High-Speed Programmable-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 this device 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 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. These devices operate over a wide ±4.5-V to ±16-V supply voltage range.

Products containing the "THS7001" keyword are: THS7001 , THS7001C , THS7001CPW , THS7001CPWP , THS7001CPWP , THS7001CPWPG4 , THS7001CPWPG4 , THS7001CPWPR , THS7001CPWPR , THS7001CPWPRG4 , THS7001EVM , THS7001EVM , THS7001I , THS7001IPW , THS7001IPWP , THS7001IPWP , THS7001IPWPG4 , THS7001IPWPR , THS7001IPWPR , THS7001IPWPRG4

• 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, G_min = -1, 2
  • 100 MHz Bandwidth (-3 dB)
• PGA Features
  • Digitally Programmable Gain
  • -22 dB to 20 dB Gain/Attenuation Range
  • 6 dB Step Resolution
  • Output Clamp Protection
  • 70 MHz Bandwidth (-3 dB)
  • 175 V/µs Slew Rate
• Wide Supply Range ±4.5 V to ±16 V
• PowerPAD™ Package for Enhanced Thermal Performance

PowerPAD is a trademark of Texas Instruments Incorporated.