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PGA870 - Programmable-Gain Amplifier

General Description

The PGA870 is a wideband programmable-gain amplifier (PGA) for high-speed signal chain and data acquisition systems.

Key Features

  • 1.
  • 23 Wideband +5-V Operation: 650-MHz Bandwidth.
  • Low Impedance, Voltage Mode Output.
  • Wide Gain Range:.
  • 11.5 dB to +20 dB.
  • Precise 0.5-dB Gain Steps Step-to-Step Gain Error = ±0.03 dB.
  • HD2:.
  • 93 dBc at 100 MHz.
  • HD3:.
  • 88 dBc at 100 MHz.
  • IMD3:.
  • 98 dBc at 100 MHz,.
  • 95 dBc at 200 MHz.
  • OIP3: +47 dBm at 100 MHz; Exceeds +45 dBm for Frequencies to 300 MHz.
  • Flexible Gain Control Interfa.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
PGA870 PGA870 www.ti.com SBOS436A – DECEMBER 2009 – REVISED FEBRUARY 2011 High-Speed, Fully Differential, Programmable-Gain Amplifier Check for Samples: PGA870 FEATURES 1 •23 Wideband +5-V Operation: 650-MHz Bandwidth • Low Impedance, Voltage Mode Output • Wide Gain Range: –11.5 dB to +20 dB • Precise 0.5-dB Gain Steps Step-to-Step Gain Error = ±0.03 dB • HD2: –93 dBc at 100 MHz • HD3: –88 dBc at 100 MHz • IMD3: –98 dBc at 100 MHz, –95 dBc at 200 MHz • OIP3: +47 dBm at 100 MHz; Exceeds +45 dBm for Frequencies to 300 MHz • Flexible Gain Control Interface: – Supports latched and unlatched options – Gain may be set in power-down state – Fast setup and hold times: 2.