Overview
The NCS333ASN2T1G is a precision operational amplifier (op amp) from onsemi, part of the NCS333 family. This device is renowned for its high precision, low quiescent current, and zero-drift architecture. It features a very low input offset voltage of 10 µV max and an offset drift as low as 0.07 µV/°C. The NCS333ASN2T1G operates over a wide supply voltage range from 1.8 V to 5.5 V and is available in compact TSOP-5 and SOT-23-5 packages. It is specified for operation from -40°C to +125°C, making it suitable for a variety of applications including portable, industrial, automotive, medical, and consumer markets.
Key Specifications
| Parameter | Typical | Maximum | Unit |
|---|---|---|---|
| Supply Voltage | 1.8 to 5.5 | 7 | V |
| Input Offset Voltage | 3.5 | 10 | µV |
| Offset Voltage Drift vs Temp | 0.03 | 0.07 | µV/°C |
| Quiescent Current | 17 | - | µA |
| Gain-Bandwidth Product | 350 | - | kHz |
| Input Resistance | 180 | - | GΩ (Differential) |
| Output Voltage High/Low | 10/10 | 50/50 | mV (Referenced to VDD/VSS) |
| Operating Temperature Range | -40 to +125 | - | °C |
| Package Type | TSOP-5 / SOT-23-5 | - | - |
Key Features
- Low Offset Voltage: 10 µV max, ensuring high precision in measurements.
- Zero Drift Architecture: Offset drift as low as 0.07 µV/°C, maintaining accuracy over temperature changes.
- Low Quiescent Current: 17 µA typical at 3.3 V supply, suitable for battery-powered applications.
- Wide Supply Range: Operates from 1.8 V to 5.5 V, making it versatile for various power supply conditions.
- Rail-to-Rail Input and Output: Allows for input and output voltages to swing within 50 mV of the supply rails.
- High CMRR: Common-mode rejection ratio (CMRR) without crossover, ensuring superior performance in driving analog-to-digital converters (ADCs).
- Compact Packages: Available in TSOP-5 and SOT-23-5 packages, ideal for space-constrained designs.
- AEC-Q100 Qualified: Suitable for automotive and other applications requiring unique site and control change requirements.
Applications
- Automotive: Qualified for automotive applications with AEC-Q100 certification.
- Battery Powered/Portable Applications: Low power consumption makes it ideal for battery-powered devices.
- Sensor Signal Conditioning: High precision and low drift make it suitable for sensor signal conditioning.
- Current Sensing: Used in low voltage current sensing applications.
- Medical Instrumentation: Suitable for medical devices requiring high precision and reliability.
- Electronic Scales and Transducer Applications: High accuracy and stability are beneficial in these applications.
- Lighting and Filter Circuits: Can be used in various lighting and filter circuit applications.
Q & A
- What is the input offset voltage of the NCS333ASN2T1G?
The input offset voltage is as low as 10 µV max.
- What is the operating temperature range of the NCS333ASN2T1G?
The operating temperature range is from -40°C to +125°C.
- What is the quiescent current of the NCS333ASN2T1G at 3.3 V supply?
The quiescent current is typically 17 µA at 3.3 V supply.
- What is the gain-bandwidth product of the NCS333ASN2T1G?
The gain-bandwidth product is 350 kHz.
- Is the NCS333ASN2T1G suitable for automotive applications?
Yes, it is AEC-Q100 qualified and suitable for automotive applications.
- What are the package options for the NCS333ASN2T1G?
It is available in TSOP-5 and SOT-23-5 packages.
- What is the common-mode rejection ratio (CMRR) of the NCS333ASN2T1G?
The CMRR is without crossover, ensuring superior performance in driving ADCs.
- Can the NCS333ASN2T1G be used in battery-powered instruments?
Yes, its low power consumption makes it ideal for battery-powered instruments.
- What is the slew rate of the NCS333ASN2T1G?
The slew rate is 0.15 V/µs.
- Is the NCS333ASN2T1G rail-to-rail?
Yes, it has rail-to-rail input and output capabilities.
