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OPA626 Datasheet 16-bit Analog-to-digital Converter (adc) Drivers

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & munity OPA626, OPA2626 SBOS690 – JULY 2016 OPAx626 High-Speed, High-Precision, Low-Distortion 16-Bit and 18-Bit Analog-to-Digital Converter.

General Description

The OPAx626 family of operational amplifiers are 16bit and 18-bit, high-precision, SAR ADC drivers with low total harmonic distortion (THD) and noise.

This family of precision op amps is fully characterized and specified with a 16-bit settling time of 280 ns that enables a true 16-bit effective number of bits (ENOB).

With a high DC precision of only 100 µV offset voltage, a wide gain-bandwidth product of 120 MHz, and a low wideband noise of 2.5 nV/√Hz, this family is optimized for driving high-throughput, highresolution SAR ADCs in applications such as the ADS88xx family of SAR ADCs.

Key Features

  • 1 Excellent Dynamic Performance:.
  • Low Distortion:.
  • 122 dBc for HD2 and.
  • 140 dBc for HD3 at 100 kHz.
  • Gain Bandwidth (G = 100): 120 MHz.
  • Slew Rate: 115 V/µs.
  • 16-Bit Settling at 4-V Step: 280 ns.
  • Low Voltage Noise: 2.5 nV/√Hz at 10 kHz.
  • Low Output Impedance: 1 Ω at 1 MHz.
  • Excellent DC Precision:.
  • Offset Voltage: ±100 µV (Maximum).
  • Offset Voltage Drift: ±3 µV/ºC (Maximum).
  • Low Quiescent.

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