CBMOPA267
High-precision op-amp with 10MHz bandwidth, 2.5nV/√Hz noise, and 50μV offset for sensor signal conditioning.
Product Overview
Description
The CBMOPA267 is a high-precision operational amplifier designed for sensor signal conditioning and precision measurement applications. It features excellent DC precision with low offset voltage and drift combined with low noise performance.
With 50μV maximum offset voltage, 2.5nV/√Hz input noise density, and 10MHz gain bandwidth product, the CBMOPA267 delivers precision performance for demanding applications. The rail-to-rail output maximizes dynamic range.
The op-amp operates from single 2.7V to 5.5V supplies and consumes only 2.5mA typical supply current. The device is available in SOT23-5 and SOIC-8 packages.
Product Series
CBMOPA
Primary Application
Sensor signal conditioning
Key Features
- Low 50μV offset voltage
- Low 2.5nV/√Hz noise
- 10MHz gain bandwidth
- Rail-to-rail output
- Single supply operation
- Low 2.5mA supply current
- Industrial temperature range
Specifications
| Gain Bandwidth | 10 MHz |
|---|---|
| Slew Rate | 5 V/μs |
| Input Offset | 50 μV max |
| Input Noise | 2.5 nV/√Hz |
| Supply Voltage | 2.7V to 5.5V |
| Supply Current | 2.5 mA |
| Output | Rail-to-rail |
| Package | SOT23-5, SOIC-8 |
| Temperature Range | -40°C to +125°C |
Applications
Sensor signal conditioning
Sensor signal conditioning
Precision data acquisition
Data acquisition and conversion
Active filters
Electronic system design
Medical instrumentation
Medical electronics
Test and measurement
Data acquisition and conversion
Industrial control
Industrial automation and control
FAE Expert Insights
"The CBMOPA267 is a versatile precision op-amp that I've used in numerous sensor conditioning designs. The 50μV offset is excellent for this class of amplifier and the 2.5nV/√Hz noise enables high-resolution signal conditioning. I particularly like the combination of precision DC performance with 10MHz bandwidth - many precision amps sacrifice bandwidth. The rail-to-rail output is valuable for maximizing dynamic range in single-supply designs. For best performance, pay attention to layout - keep traces short and use proper grounding. This op-amp is pin-compatible with popular industry standards making substitution easy."
Precision op-amp ideal for sensor signal conditioning
— David Liu, BeiLuo
Frequently Asked Questions
What is the noise performance of CBMOPA267?
CBMOPA267 noise characteristics: (1) Voltage noise - 2.5nV/√Hz at 1kHz; (2) Current noise - 1.5pA/√Hz; (3) 0.1-10Hz noise - 0.5μVp-p; (4) Noise figure - depends on source impedance; (5) Bandwidth - 10MHz GBW; (6) Corner frequency - ~100Hz. The low noise makes this op-amp suitable for high-resolution sensor conditioning. For lowest noise, keep source impedance low and minimize external resistor values.
Excellent noise performance for high-resolution signal conditioning.