Overview
The OPA2330AIDGKRG4 is a dual, micropower, precision, zero-drift CMOS operational amplifier produced by Texas Instruments. This device is part of the OPA330 family, which features a proprietary auto-calibration technique to achieve near-zero drift over time and temperature. The OPA2330 is designed for low-voltage, single-supply operation, making it suitable for a wide range of applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = 5 V | 8 | 50 | μV | |
| dVOS/dT | TA = –40°C to +125°C | 0.02 | 0.25 | μV/°C | |
| Power Supply Rejection Ratio (PSRR) | VS = 1.8 V to 5.5 V | 1 | 10 | μV/V | |
| Input Bias Current (IB) | ±200 | ±500 | pA | ||
| Open-Loop Gain (AOL) | RL = 10 kΩ | 100 | 115 | dB | |
| Gain-Bandwidth Product (GBW) | CL = 100 pF | 350 | kHz | ||
| Slew Rate (SR) | G = +1 | 0.16 | V/μs | ||
| Voltage Output Swing from Rail | 30 | 100 | mV | ||
| Short-Circuit Current (ISC) | ±5 | mA | |||
| Quiescent Current Per Amplifier (IQ) | IO = 0 mA | 21 | 35 | μA | |
| Specified Voltage Range (VS) | 1.8 | 5.5 | V | ||
| Operating Temperature Range | –40 | 125 | °C |
Key Features
- Low Offset Voltage: Maximum of 50 μV, ensuring high precision in applications.
- Zero Drift: Proprietary auto-calibration technique achieves near-zero drift over time and temperature.
- Low Power Consumption: Quiescent current per amplifier is typically 35 μA.
- Low Voltage Operation: Specified for operation from 1.8 V to 5.5 V, making it suitable for low-voltage systems.
- Unity-Gain Stable: Free from unexpected output and phase reversal.
- High Common-Mode Rejection Ratio (CMRR): Typically 100 dB, ensuring good rejection of common-mode signals.
- Compact Packages: Available in 8-pin SOIC, 8-pin VSSOP, and 8-pin SON packages.
Applications
The OPA2330AIDGKRG4 is suitable for a variety of applications requiring high precision and low power consumption, including:
- Medical Devices: Such as ECG and EEG amplifiers where low noise and high precision are critical.
- Industrial Automation: For sensor signal conditioning and data acquisition systems.
- Aerospace and Defense: Where low power consumption and high reliability are essential.
- Consumer Electronics: In audio and video equipment, and other portable devices.
- Automotive Systems: For various sensor and control applications within vehicles.
Q & A
- What is the maximum input offset voltage of the OPA2330AIDGKRG4?
The maximum input offset voltage is 50 μV.
- What is the typical quiescent current per amplifier for the OPA2330AIDGKRG4?
The typical quiescent current per amplifier is 35 μA.
- What is the specified voltage range for the OPA2330AIDGKRG4?
The specified voltage range is from 1.8 V to 5.5 V.
- What is the gain-bandwidth product of the OPA2330AIDGKRG4?
The gain-bandwidth product is 350 kHz.
- What is the slew rate of the OPA2330AIDGKRG4?
The slew rate is 0.16 V/μs.
- What are the available packages for the OPA2330AIDGKRG4?
The device is available in 8-pin SOIC, 8-pin VSSOP, and 8-pin SON packages.
- What is the operating temperature range for the OPA2330AIDGKRG4?
The operating temperature range is from –40°C to 125°C.
- Is the OPA2330AIDGKRG4 unity-gain stable?
Yes, the OPA2330AIDGKRG4 is unity-gain stable and free from unexpected output and phase reversal.
- What is the common-mode rejection ratio (CMRR) of the OPA2330AIDGKRG4?
The CMRR is typically 100 dB.
- What are some typical applications for the OPA2330AIDGKRG4?
Typical applications include medical devices, industrial automation, aerospace and defense, consumer electronics, and automotive systems.
