OPA378AIDCKR Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The OPA378AIDCKR is a zero-drift, low-noise, 900kHz RRIO precision operational amplifier from Texas Instruments. It features 100dB CMRR, 0.00055µA bias current, and rail-to-rail input/output. From $1.05, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- OPA378AIDCKR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0486(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Zero-drift architecture eliminates offset voltage drift for high-precision DC measurements
- Rail-to-rail input and output (RRIO) maximizes dynamic range in low-voltage systems
- Ultra-low noise with 900kHz bandwidth suitable for precision signal conditioning
- 100dB minimum CMRR (112dB typical) for superior common-mode noise rejection
- Ultra-low bias current of 0.00055µA minimizes error in high-impedance sensor interfaces
Applications
The OPA378AIDCKR is ideal for precision sensor signal conditioning, including temperature, pressure, and strain gauge amplification. Its zero-drift architecture and rail-to-rail operation make it well-suited for medical instrumentation, industrial process control, and portable data acquisition systems. The compact SOT-23 package enables space-constrained designs in wearable devices and battery-powered measurement equipment.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.00055 µA |
| Bias Current-Max (IIB) @25C | 0.00055 µA |
| Common-mode Reject Ratio-Min | 100dB |
| Common-mode Reject Ratio-Nom | 112dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.0011 µA |
| Input Offset Voltage-Max | 50 µV |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | YES |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP5/6,.08 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 0.4V/us |
| Supply Current-Max | 0.15mA |
| Supply Voltage Limit-Max | 7V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 900 |
| Voltage Gain-Min | 200000 |
| Wideband | NO |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the bandwidth and input offset voltage of the OPA378AIDCKR?
The OPA378AIDCKR has a 900kHz gain-bandwidth product. As a zero-drift amplifier, it achieves extremely low input offset voltage, typically in the microvolt range, with minimal drift over temperature—making it suitable for precision DC and low-frequency AC measurements.
What applications is the OPA378AIDCKR designed for?
The OPA378AIDCKR targets precision measurement applications including medical instrumentation, industrial sensor conditioning, weigh scales, and portable data acquisition. Its zero-drift technology, 100dB CMRR, and 0.00055µA bias current make it excellent for high-impedance sensor interfaces and low-noise signal chains.
What package does the OPA378AIDCKR use and what are its supply voltage requirements?
The OPA378AIDCKR is available in a compact 5-pin SOT-23 (DCK) package, ideal for space-constrained designs. It operates from a single supply and features rail-to-rail input and output, making it compatible with modern low-voltage systems.
Are there compatible alternatives or substitutes for the OPA378AIDCKR?
Compatible alternatives include the OPA333 and OPA2333 (dual-channel version) from Texas Instruments, which offer similar zero-drift precision performance. The OPA378 family also includes other package options. Always verify supply voltage, bandwidth, and offset specs against your specific application requirements before substitution.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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| 1+ | $1.8800 | $1.88 |
| 10+ | $1.3900 | $13.90 |
| 25+ | $1.2300 | $30.75 |
| 100+ | $1.2100 | $121.00 |
| 250+ | $1.0890 | $272.26 |
| 500+ | $1.0486 | $524.32 |
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