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OPA2626

Texas Instruments
Part Number OPA2626
Manufacturer Texas Instruments
Description 18-Bit Analog-to-Digital Converter (ADC) Drivers
Published Aug 13, 2019
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community OPA626, OPA2626 SBOS690 – JULY...
Datasheet PDF File OPA2626 PDF File

OPA2626
OPA2626

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community OPA626, OPA2626 SBOS690 – JULY 2016 OPAx626 High-Speed, High-Precision, Low-Distortion 16-Bit and 18-Bit Analog-to-Digital Converter (ADC) Drivers 1 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 Current: 2 mA (Typical) • Input Common-Mode Range Includes Negative Rail • Rail-to-Rail Output • Wide Temperature Range: Fully Specified from –40°C to +125°C 2 Applications • Precision SAR ADC Drivers • Precision Voltage Reference Buffers • Programmable Logic Controllers • Test and Measurement Equipment • Scientific Instrumentation • High Throughput Data Acquisition Systems • High Density, Multiplexed Data Acquisition Systems spacer SAR ADC Driver 1k 1k Input Voltage VREF / 4 5V + OPA626 RFLT 4.
7 RFLT CFLT 10 nF VREF 3.
3 V REF AVDD ADS8860 GND 4.
7 Copyright © 2016, Texas Instruments Incorporated 3 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.
The OPAx626 family is available in 5-pin SOT and 8-pin VSSOP packages and is specified for operation from –40°C to +125°C.
Device ...


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