Texas Instruments OPA2626 High-Bandwidth High-Precision Op Amps
Texas Instruments OPA2626 High-Bandwidth High-Precision Operational Amplifiers are 16-bit and 18-bit, high-precision, SAR ADC drivers with low total harmonic distortion (THD) and noise. These precision op amps are fully characterized and specified with a 16-bit settling time of 280ns, enabling a true 16-bit effective number of bits (ENOB). These devices offer a high DC precision of only 100µV offset voltage and a wide gain-bandwidth product of 120MHz. These features and low wideband noise of 2.5nV/√Hz make these devices optimized for driving high-throughput, high-resolution SAR ADCs in applications such as the ADS88xx. The Texas Instruments OPA2626 family is available in 5-pin SOT and 8-pin VSSOP packages and is specified for operation from –40°C to +125°C.
Features
- Excellent dynamic performance
- –122dBc for HD2 and –140dBc for HD3 at 100kHz for low distortion
- 120MHz gain bandwidth (G = 100)
- 115V/µs slew rate
- 280ns 16-bit settling at 4V step
- 2.5nV/√Hz at 10kHz low voltage noise
- 1Ω at 1MHz low output impedance
- Excellent DC precision
- ±100µV (maximum) offset voltage
- ±3µV/°C (maximum) offset voltage drift
- 2mA (typical) low quiescent current
- Input common-mode range includes the negative rail
- Rail-to-rail output
- Fully specified from –40°C to +125°C wide temperature range
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
Related Development Tools
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General purpose blank circuit boards that simplify the evaluation of operational amplifiers.
Functional Block Diagram
Published: 2016-09-13
| Updated: 2022-03-11