LTC2051HVCDD#PBF

Instrumentation, Op Amps, Buffer Amps Overview

The LTC2051HVCDD#PBF is a dual zero-drift operational amplifier from Analog Devices Inc., housed in an 8-lead plastic DFN (3mm × 3mm) package. It operates on a single supply voltage ranging from 2.7V to ±5.5V, with a typical supply current of 0.75mA per amplifier. The device features a maximum input offset voltage of 3μV and a maximum drift of 30nV/°C. Key electrical specifications include a gain-bandwidth product of 3MHz, a slew rate of 2V/μs, and a typical open-loop voltage gain of 140dB. Power supply rejection ratio (PSRR) and common-mode rejection ratio (CMRR) are typically 130dB.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Zero-drift architecture utilizing autozeroing circuitry to achieve near-zero DC offset and drift across temperature and supply variations.
• Rail-to-rail output capability capable of driving loads as low as 2kΩ to both supply rails.
• Extended common-mode input range extending from the negative supply up to approximately 1V below the positive supply.
• Low power consumption design suitable for battery-operated applications.

Instrumentation, Op Amps, Buffer Amps Applications

• Thermocouple amplifiers
• Electronic scales
• Medical instrumentation
• Strain gauge amplifiers
• High resolution data acquisition systems

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix #PBF indicates lead-free compliance when sourcing this component. Confirm that the DD package designation corresponds to the required 3mm x 3mm DFN footprint for your PCB layout. Ensure the HVC grade meets the necessary voltage and temperature specifications for your design environment before finalizing procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select the LTC2051HVCDD#PBF when high DC accuracy is required in space-constrained designs due to its small DFN package. The HV variant supports higher supply voltages including ±5V compared to standard versions. Consider the 3MHz bandwidth and 2V/μs slew rate for signal conditioning applications where low noise and precision are critical over a wide temperature range.

Instrumentation, Op Amps, Buffer Amps Part Context

This component belongs to the LTC2051/LTC2052 family of dual and quad zero-drift operational amplifiers manufactured by Analog Devices Inc. The series is designed to provide uncompromising DC performance in miniature packages. The HVC suffix denotes a high-voltage version capable of operating with supplies up to ±5V, while the DD suffix specifies the 8-lead plastic DFN package format.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LTC2051CMS8#PBF

Instrumentation, Op Amps, Buffer Amps FAQ

What is the internal sampling frequency of the LTC2051?

The internal sampling frequency for the autozeroing circuitry is typically 7.5kHz.

How does the shutdown pin function on this device?

The LTC2051 includes a shutdown pin in certain packages; pulling it low reduces supply current significantly and places the output in a high-impedance state.

What is the typical input noise voltage density?

The input referred noise is typically 1.5μVP-P in the 0.1Hz to 10Hz frequency band.