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ADA4941-1 - Single Supply Differential 18-Bit ADC Driver

Description

The ADA4941-1 is a low power, low noise differential driver for ADCs up to 18 bits in systems that are sensitive to power.

The ADA4941-1 is configured in an easy-to-use, single-ended-todifferential configuration and requires no external components for a gain of 2 configuration.

Features

  • www. datasheet4u. com Single-ended-to-differential converter Excellent linearity Distortion.
  • 110 dBc @100 KHz for VO, dm = 2 V p-p Low noise: 10.2 nV/√Hz, output-referred, G = 2 Extremely low power: 2.2 mA (3 V supply) High input impedance: 24 MΩ User-adjustable gain High speed: 31 MHz,.
  • 3 dB bandwidth (G = +2) Fast settling time: 300 ns to 0.005% for a 2 V step Low offset: 0.8 mV max, output-referred, G = 2 Rail-to-rail output Disable feature Wide supply voltage range: 2.7 V to 12.

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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.

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Single-Supply, Differential 18-Bit ADC Driver ADA4941-1 FEATURES www.datasheet4u.com Single-ended-to-differential converter Excellent linearity Distortion −110 dBc @100 KHz for VO, dm = 2 V p-p Low noise: 10.2 nV/√Hz, output-referred, G = 2 Extremely low power: 2.2 mA (3 V supply) High input impedance: 24 MΩ User-adjustable gain High speed: 31 MHz, −3 dB bandwidth (G = +2) Fast settling time: 300 ns to 0.005% for a 2 V step Low offset: 0.8 mV max, output-referred, G = 2 Rail-to-rail output Disable feature Wide supply voltage range: 2.7 V to 12 V Available in space-saving, 3 mm × 3 mm LFCSP DISTORTION (dBc) FUNCTIONAL BLOCK DIAGRAM FB 1 8 IN REF 2 7 DIS V+ 3 6 V– 05704-001 OUT+ 4 5 OUT– Figure 1. –60 –65 –70 –75 –80 –85 –90 –95 –100 –105 –110 –115 –120 –125 –130 –135 –140 0.
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