LTC2064HMS8#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The LTC2064HMS8#TRPBF is a dual zero-drift rail-to-rail input/output op-amp from Analog Devices with 0.02 µA max bias current and 103 dB minimum CMRR in an 8-pin MSOP package. Available from stock worldwide with competitive pricing.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LTC2064HMS8#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.5625(MOQ 19)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC2064HMS8#TRPBF?
- Ultra-low input bias current of 0.00002 µA (20 pA) at 25°C enables accurate signal conditioning at high-impedance sensor interfaces without significant loading error
- Zero-drift architecture eliminates offset voltage drift over temperature, maintaining sub-µV offset stability from -40°C to +125°C for precision DC measurements
- Rail-to-rail input and output swing on a 5.25V supply maximizes dynamic range in single-supply systems, including 3.3V and 5V microcontroller-driven designs
- 103 dB minimum CMRR (130 dB typical) rejects common-mode noise on differential sensor lines operating in electrically noisy industrial environments
- Compact 8-pin MSOP package with tape-and-reel (#TRPBF) packaging enables high-density dual op-amp placement on area-constrained analog front-end boards
What is LTC2064HMS8#TRPBF used for?
The LTC2064HMS8#TRPBF is designed for precision analog front-end circuits in medical instrumentation, industrial weighing systems, and thermocouple signal conditioners where DC accuracy and ultra-low input bias current are essential. Its zero-drift topology and high CMRR make it an excellent choice for bridge amplifiers, pH electrode buffers, and current-sense circuits operating from a single 5V supply. The dual channel in a compact MSOP package also benefits portable data acquisition instruments that require two independent precision amplifier channels in a space-efficient layout.
What are the specifications of LTC2064HMS8#TRPBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1660 |
| YTEOL | 9 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0001 µA |
| Bias Current-Max (IIB) @25C | 0.00002 µA |
| Common-mode Reject Ratio-Min | 103dB |
| Common-mode Reject Ratio-Nom | 130dB |
| Frequency Compensation | NO |
| Input Offset Voltage-Max | 10 µV |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | YES |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Slew Rate-Nom | 0.0035V/us |
| Supply Current-Max | 1mA |
| Supply Voltage Limit-Max | 5.5V |
| Supply Voltage-Nom (Vsup) | 1.8V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 20 |
| Voltage Gain-Min | 316227.77 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the LTC2064HMS8#TRPBF datasheet?
LTC2064HMS8#TRPBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC2064HMS8#TRPBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the LTC2064HMS8#TRPBF's 20 pA bias current benefit high-impedance sensor circuits?
With a maximum input bias current of 0.00002 µA (20 pA) at 25°C, the LTC2064 introduces negligible loading on sources with impedances up to 100 MΩ, limiting the resulting offset voltage error to just 2 µV at that source impedance. This is critical in pH electrode buffers and ion-selective electrode amplifiers where source impedances routinely reach 1 GΩ and any significant bias current would corrupt the measurement.
What CMRR specification does the LTC2064HMS8#TRPBF achieve and how does it affect bridge amplifier accuracy?
The LTC2064HMS8#TRPBF achieves a minimum CMRR of 103 dB and a typical CMRR of 130 dB across its supply and common-mode range. In a Wheatstone bridge amplifier running from a 5V single supply, this means a 1V common-mode disturbance at the input produces less than 22 µV of output error referenced to the input, preserving measurement resolution at the sub-millivolt level required in precision weighing and pressure sensing.
For a single-supply 3.3V data-acquisition system, how does the rail-to-rail I/O of the LTC2064HMS8#TRPBF maximize signal range?
Rail-to-rail input and output capability allows the LTC2064 to process signals within millivolts of both the ground rail and the 3.3V supply, effectively delivering a usable output swing of approximately 3.28V on a 3.3V supply compared to roughly 2V for conventional op-amps. This 64% improvement in dynamic range directly increases the ADC full-scale utilization and reduces quantization noise by approximately 2 effective bits in a 12-bit or 16-bit measurement chain.
How does the zero-drift architecture in the LTC2064HMS8#TRPBF maintain offset stability in thermocouple signal conditioners over temperature?
Zero-drift amplifiers use a continuous auto-correction technique (auto-zeroing or chopper stabilization) that periodically nulls the internal offset voltage, keeping VOS below 5 µV across the full -40°C to +125°C operating range. In a K-type thermocouple amplifier where the nominal output is 40 µV/°C, a 5 µV offset corresponds to only 0.125°C of temperature error, well within the ±1°C accuracy target of most industrial temperature monitoring systems.
When is LTC2064HMS8#TRPBF preferred over a single-channel precision op-amp such as LTC2064HMS5 in a two-channel design?
The dual-channel LTC2064HMS8 in 8-pin MSOP occupies approximately 15 mm² of PCB area for two amplifiers, whereas two single-channel MSOP-5 devices would require about 20 mm² plus additional routing space between packages. Beyond space savings, sharing one package ensures both channels experience identical thermal conditions, minimizing channel-to-channel offset and gain drift mismatch to below 0.5 µV/°C differential, which benefits precision differential measurement applications.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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