Unity-gain-stable amplifiers ideal for high-accuracy, high-bandwidth sensor interfaces
With an input offset voltage optimized for common-mode close to ground, TSV7722 op amps are ideal for low-side current measurements in A/D converter input buffers. The devices also feature an ultra-low input bias current that enables connection to photodiodes and other sensors where current and high accuracy are key parameters.
Key features of TSV7722
- Gain bandwidth product 22 MHz, unity gain stable
- High accuracy input offset voltage: 50 µV typ., 200 µV max.
- Low input bias current: 2 pA typ.
- Low input voltage noise density: 7 nV/√Hz
- Wide supply voltage range: 1.8 V to 5.5 V
- Output rail-to-rail
- Input common-mode range includes low rail
- Automotive grade and shutdown versions available
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Application examples
Low-side current measurement 
Photodiode amplifiers 
Automotive current measurement and sensor signal conditioning 
Strain gauges signal conditioning 
ST Op Amp finder mobile app
Easy-to-use selector tool with sorting, compare, and electrical parameter filter capabilities. provides additional information including commonly used schematics, compensation methods and package information.
Op Amps Quick Reference Guide
Download this very practical PDF resource covering:
- How do I pick the right op amp for an application?
- Typical op-amp applications and key parameters
- Step-by-step op-amp selection using the ST Op Amps App
- ST's op-amp naming convention
- Glossary
Current Sensing Quick Reference Guide
Download this very practical PDF resource covering:
- Typical applications and key parameters
- Product portfolio
- Current Sense monitor vs operation amplifier
- Glossary
New current sensing solutions to ensure the best performance for your industrial system designs
Webinar agenda
- Pros and cons of various design architectures
- Key considerations to take into account in your designs
- Overview of ST's current sensing portfolio
- Real-life solutions for non-isolated and isolated current sensing applications
- Overcurrent protection and why it is important
