Overview
The OPA320AQDBVRQ1 is a precision, low-voltage CMOS operational amplifier (op amp) from Texas Instruments, designed for very low noise and wide bandwidth applications. This device is part of the OPAx320-Q1 series, which includes the OPA320-Q1 and OPA2320-Q1. It is optimized for low-power, single-supply operations and is particularly suited for driving sampling analog-to-digital converters (ADCs), signal conditioning, and sensor amplification. The OPA320AQDBVRQ1 is qualified for automotive applications and meets AEC-Q100 standards, ensuring reliability in harsh environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 1 | |
| Total Supply Voltage (min) | 1.8 | V |
| Total Supply Voltage (max) | 5.5 | V |
| Bandwidth (GBW) | 20 | MHz |
| Slew Rate | 10 | V/µs |
| Offset Voltage (Vos) at 25°C | 0.15 | mV |
| Input Bias Current | 0.9 | pA |
| Common-Mode Rejection Ratio (CMRR) | 114 | dB |
| Quiescent Current per Channel (Iq) | 1.45 | mA |
| Noise at 10 kHz (Vn) | 7 | nV/√Hz |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | SOT-23 (DBV) | |
| Pins | 5 |
Key Features
- Qualified for Automotive Applications: Meets AEC-Q100 standards with a temperature range of -40°C to 125°C and ESD classifications of HBM Level 2 and CDM Level C4B.
- Precision with Zero-Crossover Distortion: Features low offset voltage (150 µV max), high CMRR (114 dB), and rail-to-rail input/output.
- Low Input Bias Current: 0.9 pA (max).
- Low Noise: 7 nV/√Hz at 10 kHz.
- Wide Bandwidth and Slew Rate: 20 MHz bandwidth and 10 V/µs slew rate.
- Low Quiescent Current: 1.45 mA per channel.
- Single-Supply Voltage Range: 1.8 V to 5.5 V.
- Unity-Gain Stable: Stable in unity-gain configurations.
Applications
- Automotive Systems: Suitable for various automotive applications due to its AEC-Q100 qualification.
- High-Z Sensor Signal Conditioning: Ideal for conditioning signals from high-impedance sensors.
- Transimpedance Amplifiers: Used in transimpedance amplifier configurations.
- Test and Measurement Equipment: Applicable in test and measurement equipment requiring low noise and high bandwidth.
- Programmable Logic Controllers (PLCs): Used in PLCs for industrial control and automation).
- Motor Control Loops: Suitable for motor control applications).
- Communications and ADC/DAC Buffers: Used in communication systems and as buffers for analog-to-digital and digital-to-analog converters).
Q & A
- Q: What is the operating temperature range of the OPA320AQDBVRQ1?
A: The operating temperature range is -40°C to 125°C). - Q: What is the maximum offset voltage of the OPA320AQDBVRQ1?
A: The maximum offset voltage is 150 µV). - Q: What is the input bias current of the OPA320AQDBVRQ1?
A: The input bias current is 0.9 pA (max)). - Q: What is the bandwidth of the OPA320AQDBVRQ1?
A: The bandwidth is 20 MHz). - Q: What is the slew rate of the OPA320AQDBVRQ1?
A: The slew rate is 10 V/µs). - Q: What is the quiescent current per channel of the OPA320AQDBVRQ1?
A: The quiescent current per channel is 1.45 mA). - Q: What is the noise level of the OPA320AQDBVRQ1 at 10 kHz?
A: The noise level is 7 nV/√Hz at 10 kHz). - Q: Is the OPA320AQDBVRQ1 suitable for automotive applications?
A: Yes, it is qualified for automotive applications and meets AEC-Q100 standards). - Q: What is the package type of the OPA320AQDBVRQ1?
A: The package type is SOT-23 (DBV) with 5 pins). - Q: What is the supply voltage range of the OPA320AQDBVRQ1?
A: The supply voltage range is from 1.8 V to 5.5 V).
