NSC6262
NSC6262 is a low-power precision op-amp with 20uA supply current, 100uV offset voltage, and rail-to-rail operation for battery-powered applications.
Product Overview
Description
The NSC6262 is a low-power precision operational amplifier optimized for battery-powered and energy-harvesting applications. With only 20uA supply current per channel and 100uV input offset voltage, it delivers precision performance with minimal power consumption.
The device features rail-to-rail input and output, enabling maximum dynamic range in single-supply applications down to 1.8V. The 500kHz gain-bandwidth product provides adequate bandwidth for sensor signal conditioning and battery monitoring.
With low input bias current of 10pA, wide temperature range, and compact SOT23-5 package, the NSC6262 is ideal for portable medical devices, wireless sensors, and IoT applications requiring long battery life and precision measurement.
Product Series
NSC
Primary Application
Battery-powered sensors
Key Features
- Ultra-low power: 20uA supply current
- 100uV max input offset voltage
- Rail-to-rail input and output
- 1.8V minimum supply voltage
- Low input bias current: 10pA
- 500kHz gain-bandwidth product
- Unity-gain stable
- Compact SOT23-5 package
Specifications
| Supply Voltage | 1.8V to 5.5V |
|---|---|
| Channels | 1 Channel |
| GBW | 500kHz |
| Slew Rate | 0.2V/us |
| Input Offset Voltage | 100uV max |
| Offset Drift | 1uV/C max |
| Input Bias Current | 10pA |
| CMRR | 100dB |
| Rail-to-Rail | Input and Output |
| Operating Temperature | -40C to +85C |
| Package | SOT23-5 |
Applications
Battery-powered sensors
Battery and charging management
Portable medical devices
Medical electronics
IoT and wireless sensors
Sensor signal conditioning
Energy harvesting systems
Renewable energy systems
Low-power signal conditioning
Sensor signal conditioning
Battery voltage monitoring
Battery and charging management
FAE Expert Insights
"The NSC6262 is my go-to op-amp for battery-powered designs where every microamp matters. The 20uA supply current is remarkably low for a precision op-amp - I've used this in wireless sensor nodes that need to operate for years on coin cell batteries. The 100uV offset provides adequate accuracy for most sensor applications, and the rail-to-rail operation maximizes the usable signal range. The 1.8V minimum supply is perfect for single-cell lithium battery applications. I particularly like the 10pA input bias current for high-impedance sensor interfaces like pH sensors or photodiodes. For IoT applications requiring both precision and long battery life, the NSC6262 delivers an excellent balance of performance and power consumption."
Exceptional precision with ultra-low power consumption for battery applications
— Low-Power Applications FAE, BeiLuo
Frequently Asked Questions
How does NSC6262 achieve such low power consumption?
The NSC6262 achieves ultra-low power consumption through several design techniques: Biasing circuits are optimized for microampere operation rather than milliamperes. The input stage uses low-power transistor configurations that maintain precision while minimizing current. Internal circuitry operates at reduced quiescent currents compared to high-performance op-amps. The 500kHz bandwidth is sufficient for sensor applications while consuming less power than higher-bandwidth designs. Trade-offs for low power: Lower bandwidth (500kHz vs 1.5MHz for NSC6264). Higher offset voltage (100uV vs 50uV for NSC6264). Slower slew rate (0.2V/us vs 0.7V/us). For battery-powered sensor applications, these trade-offs are usually acceptable given the significant power savings. The NSC6262 delivers precision performance while consuming only 20uA - about 60x less than standard precision op-amps.
Use NSC6262 when power consumption is critical. Use NSC6264 when higher bandwidth or lower offset is required and power is less critical.
What is the minimum supply voltage for NSC6262 and how does it affect performance?
The NSC6262 operates from 1.8V to 5.5V supply voltage. At 1.8V (minimum): Input common-mode range is 0V to 1.2V (rail-to-rail input). Output swing is 0.1V to 1.7V (rail-to-rail output). GBW is approximately 400kHz (slightly reduced from 500kHz at 5V). Slew rate is 0.15V/us (slightly reduced). Offset voltage remains 100uV max. At 3.3V (typical lithium battery): Full 500kHz GBW is achieved. Output swing is 0.1V to 3.2V. All specifications are met. At 5V (maximum): Maximum GBW and slew rate. Widest output swing. Best dynamic range. The NSC6262 maintains good performance across the entire supply range, making it suitable for applications with varying battery voltage like single-cell lithium (3.0V-4.2V) or two-cell alkaline (2.0V-3.0V).
NSC6262 works well from 1.8V to 5.5V. Performance is slightly reduced at 1.8V but still adequate for most sensor applications.